Trojan.Win32.Alureon_d9fd43126d

by malwarelabrobot on January 27th, 2014 in Malware Descriptions.

Gen:Heur.FKP.6 (BitDefender), Backdoor:Win32/Cycbot.B (Microsoft), Trojan.Win32.Pakes.qvc (Kaspersky), Trojan.Win32.FakeAV.IS (v) (VIPRE), BackDoor.Gbot.1589 (DrWeb), Gen:Heur.FKP.6 (B) (Emsisoft), BackDoor-EXI.gen.ab (McAfee), Backdoor.Cycbot!gen9 (Symantec), Backdoor.Win32.Agent (Ikarus), Gen:Heur.FKP.6 (FSecure), Win32/Cryptor (AVG), Win32:Cybota [Trj] (Avast), BKDR_CYCBOT.SME3 (TrendMicro), Trojan.Win32.Alureon.FD, Trojan.Win32.Swrort.3.FD, BackdoorCycbot.YR (Lavasoft MAS)
Behaviour: Trojan, Backdoor, Fake-AV


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

Summary
Technical Details
Removal Recommendations

MD5: d9fd43126d167777aaf8d992fd9d3953
SHA1: a7d31cd4f47008dc4a624195342e8bc237ecfacb
SHA256: 09741b07ea007be57a766292d82ae7b76c485039c43829f6d0488cc4f390c72b
SSDeep: 6144:11WJZhg4i39cLXsJL15g77czKUl1ifxKdlQJvI18VeH3A66nknx:ijm4i3SXCm0nifxK7QpHVeHQ6Aknx
Size: 274944 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: SoftWarehouse
Created at: 2005-10-09 07:07:31
Analyzed on: WindowsXP SP3 32-bit


Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

7.tmp:1296
%original file name%.exe:888
%original file name%.exe:1720
Reader_sl.exe:1064
wuauclt.exe:344
jusched.exe:1056
msiexec.exe:480

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

%original file name%.exe:388

File activity

The process %original file name%.exe:388 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%System%\config\SOFTWARE.LOG (1987 bytes)
%System%\config\software (949 bytes)
%Program Files%\LP\0205\8.exe (213 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\EFGPCNEN\desktop.ini (67 bytes)
%Program Files%\LP\0205\7.tmp (12284 bytes)
%Program Files%\LP\0205\C29.exe (263314 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\K5QXOYAF\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\LHHUSIPB\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\675W1H5L\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Application Data\507CF\F2C6.07C (4836 bytes)

The Trojan deletes the following file(s):

%Program Files%\LP\0205\8.exe (0 bytes)

The process wuauclt.exe:344 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%WinDir%\SoftwareDistribution\DataStore\Logs\edb.chk (100 bytes)
%WinDir%\SoftwareDistribution\DataStore\Logs\edb.log (3576 bytes)
%WinDir%\SoftwareDistribution\DataStore\DataStore.edb (100 bytes)

The Trojan deletes the following file(s):

%WinDir%\SoftwareDistribution\DataStore\Logs\tmp.edb (0 bytes)

The process jusched.exe:1056 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\jusched.log (347 bytes)

Registry activity

The process 7.tmp:1296 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C0 66 1E 03 E8 EB 3B 35 53 44 1C ED E4 63 AA CF"

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

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

[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"

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

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

[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]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

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

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

[HKCU\Software\WinRAR]
"HWID" = "7B 43 45 42 36 31 31 30 35 2D 31 36 43 34 2D 34"

The process %original file name%.exe:388 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[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]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 16 00 00 00 03 00 00 00 14 00 00 00"

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

"Cookies" = "%Documents and Settings%\%current user%\Cookies"

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

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

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

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

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "1"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyServer" = "http=127.0.0.1:64586"

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "29 F5 1C 3D 03 01 47 0E 98 EB 4B A0 0B 99 A2 FD"

[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\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"DefaultConnectionSettings" = "3C 00 00 00 03 00 00 00 03 00 00 00 14 00 00 00"

[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"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"C29.exe" = "%Program Files%\LP\0205\C29.exe"

Automatic startup of the following service is disabled:

[HKLM\System\CurrentControlSet\Services\wscsvc]
"Start" = "3"

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

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

The process %original file name%.exe:888 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2C FF 58 41 5B 8B 5A CD 46 BB 47 BD B8 5D DA BE"

The process %original file name%.exe:1720 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "0F F8 D5 B5 30 35 33 04 A5 A6 6F 0F C8 49 77 CA"

The process Reader_sl.exe:1064 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

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

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

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

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

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

The process msiexec.exe:480 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D9 17 A5 97 8D C5 72 4C E6 25 4D 83 A1 8A 72 87"

Network activity (URLs)

URL IP
hxxp://e6845.ce.akamaiedge.net/pca3-g2.crl
hxxp://e6845.ce.akamaiedge.net/CSC3-2009.crl
hxxp://worldorderlive.com/logo.png?tq=gL5HtzoYwLzEpUb5fU3HxcW1Bv06EsazybMRtyFZ0umG8Ar0SsSA/gSoSEU=&pr=41 (ET TROJAN Kazy/Kryptor/Cycbot Trojan Checkin 2 , Malicious) 209.222.14.3
hxxp://knowledgesutra.com/img/temp/hi.cgi?pr=gwY92w4ABtuJQpId1Uwh04h23m3cTsS/NO7Ud0KlxhGp1kPYSS590z6NR8G3n+48Fc0BMCLj3UeKZlHBmq0F1uVbEH5n9Iz744DtADysaw+UDT3/6Epf+P7JZtXUdzMjuKw/AfJpicuu8Wp7VIgzYA0/XYqlQoIdv6CgV+WBY/1ALWjd/egqJnIkGv4DdOyQEwD3GIjdDDcz47uMAuzrbu/hvaKWMMRl0U5tbl 67.227.241.243
hxxp://e6845.ce.akamaiedge.net/pca3.crl
hxxp://e6845.ce.akamaiedge.net/CSC3-2009-2.crl
hxxp://a26.d.akamai.net/msdownload/update/v3/static/trustedr/en/authrootseq.txt
hxxp://a26.d.akamai.net/msdownload/update/v3/static/trustedr/en/authrootstl.cab
hxxp://worldorderlive.com/logo.png?tq=gKZEtzoYwLzEvUb5dQzRsrCqAfUlTca3l74EgC5OjrPGpgfib1XFp5zpRPksUt+A/gSoSEU=&pr=41 (ET TROJAN Kazy/Kryptor/Cycbot Trojan Checkin 2 , Malicious)
crl.verisign.com 23.61.69.163
csc3-2009-2-crl.verisign.com 23.60.133.163
rumperstumprs.com 209.222.14.3
www.download.windowsupdate.com 65.172.31.18
csc3-2009-crl.verisign.com 23.60.133.163


HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation


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):

    7.tmp:1296
    %original file name%.exe:888
    %original file name%.exe:1720
    wuauclt.exe:344

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

    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
    %System%\config\SOFTWARE.LOG (1987 bytes)
    %System%\config\software (949 bytes)
    %Program Files%\LP\0205\8.exe (213 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\EFGPCNEN\desktop.ini (67 bytes)
    %Program Files%\LP\0205\7.tmp (12284 bytes)
    %Program Files%\LP\0205\C29.exe (263314 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\K5QXOYAF\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\LHHUSIPB\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\675W1H5L\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Application Data\507CF\F2C6.07C (4836 bytes)
    %WinDir%\SoftwareDistribution\DataStore\Logs\edb.chk (100 bytes)
    %WinDir%\SoftwareDistribution\DataStore\Logs\edb.log (3576 bytes)
    %WinDir%\SoftwareDistribution\DataStore\DataStore.edb (100 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\jusched.log (347 bytes)

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

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "C29.exe" = "%Program Files%\LP\0205\C29.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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