Trojan.GenericKD.2138558_446f99b006

by malwarelabrobot on February 15th, 2015 in Malware Descriptions.

Trojan.MSIL.Inject.bfls (Kaspersky), Trojan.GenericKD.2138558 (B) (Emsisoft), Trojan.GenericKD.2138558 (AdAware), TrojanDropperPolymorph1.YR (Lavasoft MAS)
Behaviour: Trojan-Dropper, Trojan


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: 446f99b0068cc8b6f0c117441754a19f
SHA1: 1c75bc8dacaf262ed52382d816782a393892b2c9
SHA256: a7f9b52d925600790a4c613dcb9cbe808df2ac7637ff93f103e4d023d06a5e33
SSDeep: 49152: xWe2fWloPGI9Bed/sjyVC6TLTl UoK0UzxELCNt11O/tBJ2U0QuA:petmugBed26LlhzxkCNt1181J0QuA
Size: 2353664 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2015-01-26 23:02:01
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):

taskkill.exe:216
attrib.exe:1800
attrib.exe:320
attrib.exe:1476
attrib.exe:1936
attrib.exe:1560
attrib.exe:652
attrib.exe:348
ping.exe:140

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

%original file name%.exe:1928
vbc.exe:1948

Mutexes

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

File activity

The process %original file name%.exe:1928 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Intel\YnmUHxvTegf3.exe (15799 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\x1NO4qquf3IvOGCk\vbc.exe (7547 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\GC8KivHWcTG2675L.bat (25 bytes)
%System%\drivers\etc\hosts (832 bytes)

Registry activity

The process taskkill.exe:216 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AA 51 71 70 7E 49 F1 30 53 5B C2 33 2E 82 9F 28"

The process attrib.exe:1800 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "61 BD 43 85 19 8C 49 77 91 77 99 A6 41 4A 84 2C"

The process attrib.exe:320 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C5 23 63 35 E9 C1 49 49 49 F3 59 B1 4D 6A 29 7C"

The process attrib.exe:1476 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F1 C1 71 08 13 CD 3B 02 E5 94 78 40 74 F4 EC 69"

The process attrib.exe:1936 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "54 F5 22 0A FA 48 9C B8 8F 8B 45 86 A1 48 3B 46"

The process attrib.exe:1560 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "6B 14 EF DD 3E 24 63 87 80 BC 93 5E 54 33 41 2D"

The process attrib.exe:652 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "ED DA 59 87 27 41 53 6B 43 61 74 22 69 AB 04 08"

The process attrib.exe:348 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "76 1B F3 CE 03 03 92 0B EC 2A 26 49 B3 EE 14 C6"

The process %original file name%.exe:1928 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F6 37 ED C5 8B 8A 05 9D 93 F1 48 7B 0E DE 62 3B"

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

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

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

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\Local Settings\Temp]
"GC8KivHWcTG2675L.bat" = "GC8KivHWcTG2675L"

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

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

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

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

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

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

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

"Personal" = "%Documents and Settings%\%current user%\My Documents"

The Trojan adds the reference to itself to be executed when a user logs on:

[HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
"Shell" = "%Documents and Settings%\%current user%\Application Data\Intel\YnmUHxvTegf3.exe,explorer.exe"

The Trojan 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:

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

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

"IntranetName" = "1"

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

"ProxyBypass" = "1"

The process ping.exe:140 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "12 F1 1C 28 B4 1C 25 F6 79 F7 4A 45 17 6C 3A 39"

The process vbc.exe:1948 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C2 72 52 EE 08 FD 6A AF CA 8F F9 1B 2B AF 9A E4"

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

Dropped PE files

MD5 File path
67f5238229333c061092f5a32e8c2ee1 c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\x1NO4qquf3IvOGCk\vbc.exe

HOSTS file anomalies

The Trojan modifies "%System%\drivers\etc\hosts" file which is used to translate DNS entries to IP addresses.
The modified file is 1566 bytes in size. The following strings are added to the hosts file listed below:

127.0.0.1 virustotal.com
127.0.0.1 razorscanner.com
127.0.0.1 scan.majyx.net
127.0.0.1 nodistribute.com
127.0.0.1 virusscan.jotti.org
127.0.0.1 anubis.iseclab.org
127.0.0.1 novirusthanks.org
127.0.0.1 virscan.org
127.0.0.1 metascan.org
127.0.0.1 metascan-online.com
127.0.0.1 virus-trap.org
127.0.0.1 viruschief.com
127.0.0.1 xcscanner.com
127.0.0.1 malwr.com
127.0.0.1 www.virustotal.com
127.0.0.1 www.xcscanner.com
127.0.0.1 www.razorscanner.com
127.0.0.1 www.scan.majyx.net
127.0.0.1 www.nodistribute.com
127.0.0.1 www.virusscan.jotti.org
127.0.0.1 www.viruschief.com
127.0.0.1 www.metascan-online.com
127.0.0.1 www.virus-trap.org
127.0.0.1 www.metascan.org
127.0.0.1 www.virscan.org
127.0.0.1 www.anubis.iseclab.org
127.0.0.1 www.novirusthanks.org
127.0.0.1 www.malwr.com


Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name: Microsoft Corporation
Product Name: HD Player
Product Version: 6.1.7600.16385
Legal Copyright: (c) Microsoft Corporation. All rights reserved.
Legal Trademarks:
Original Filename: SyncHost.EXE
Internal Name: SyncHost
File Version: 6.1.7600.16385 (win7_rtm.090713-1255)
File Description: Host Process for Windows Sync
Comments:
Language: English (United States)

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 8192 194404 194560 5.48596 1f45e7cf946f694f6d9a8b3350bfef2a
.rsrc 204800 109660 110080 5.52038 cb89e0784d32ac8151de92787991dca1
.reloc 319488 12 512 0.070639 d004a47f178dc51740ed7411e81b21e0

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

No activity has been detected.

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Web Traffic was not found.

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

vbc.exe_1948:

.idata
.rdata
P.reloc
P.rsrc
SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows 2000
Windows XP
Windows Server 2003
Windows Server 2003 R2
Windows Vista
Windows Server 2008
Windows Server 2008 R2
Windows 7
Windows 8
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2
Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Windows NT 6.1; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.14) Gecko/2009082707 Firefox/3.0.14 (.NET CLR 3.5.30729)
Mozilla/5.0 (X11; U; Linux i686; it-IT; rv:1.9.0.2) Gecko/2008092313 Ubuntu/9.25 (jaunty) Firefox/3.8
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/534.55.3 (KHTML, like Gecko) Version/5.1.5 Safari/534.55.3
Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; Media Center PC 6.0; InfoPath.2; MS-RTC LM 8)
Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729)
Mozilla/5.0 (Windows; U; Windows NT 5.1; pl; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 GTB5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/534.56.5 (KHTML, like Gecko) Version/5.1.6 Safari/534.56.5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Chrome/4.0.221.7 Safari/532.2
Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 6.0) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.168 Safari/535.19
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:11.0) Gecko/20100101 Firefox/11.0
Mozilla/5.0 (X11; U; Linux i686; pl; rv:1.8.0.3) Gecko/20060426 Firefox/1.5.0.3
Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; Win 9x 4.90)
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3
Mozilla/5.0 (Windows NT 6.0; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 6.1; rv:11.0) Gecko/20100101 Firefox/11.0
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.168 Safari/535.19
co.uk
POST / HTTP/1.
HEAD / HTTP/1.
/ HTTP/1.
Content-Type: application/x-www-form-urlencoded
Microsoft\WinNT.tmp
calc.exe
127.0.0.1
encpassword
kernel32.dll
user32.dll
GetKeyboardType
advapi32.dll
RegOpenKeyExA
RegCloseKey
oleaut32.dll
wsock32.dll
shfolder.dll
shell32.dll
ShellExecuteA
urlmon.dll
URLDownloadToFileA
abhklfchkmsuav'`h.ks fmsr26365xR`msjo
MPHTTP
KWindows
MPUDP

vbc.exe_1948_rwx_00400000_00011000:

.idata
.rdata
P.reloc
P.rsrc
SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows 2000
Windows XP
Windows Server 2003
Windows Server 2003 R2
Windows Vista
Windows Server 2008
Windows Server 2008 R2
Windows 7
Windows 8
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2
Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Windows NT 6.1; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.14) Gecko/2009082707 Firefox/3.0.14 (.NET CLR 3.5.30729)
Mozilla/5.0 (X11; U; Linux i686; it-IT; rv:1.9.0.2) Gecko/2008092313 Ubuntu/9.25 (jaunty) Firefox/3.8
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/534.55.3 (KHTML, like Gecko) Version/5.1.5 Safari/534.55.3
Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; Media Center PC 6.0; InfoPath.2; MS-RTC LM 8)
Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729)
Mozilla/5.0 (Windows; U; Windows NT 5.1; pl; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 GTB5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/534.56.5 (KHTML, like Gecko) Version/5.1.6 Safari/534.56.5
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/532.2 (KHTML, like Gecko) Chrome/4.0.221.7 Safari/532.2
Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 6.0) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.168 Safari/535.19
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:11.0) Gecko/20100101 Firefox/11.0
Mozilla/5.0 (X11; U; Linux i686; pl; rv:1.8.0.3) Gecko/20060426 Firefox/1.5.0.3
Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; Win 9x 4.90)
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3
Mozilla/5.0 (Windows NT 6.0; rv:12.0) Gecko/20100101 Firefox/12.0
Mozilla/5.0 (Windows NT 6.1; rv:11.0) Gecko/20100101 Firefox/11.0
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.168 Safari/535.19
co.uk
POST / HTTP/1.
HEAD / HTTP/1.
/ HTTP/1.
Content-Type: application/x-www-form-urlencoded
Microsoft\WinNT.tmp
calc.exe
127.0.0.1
encpassword
kernel32.dll
user32.dll
GetKeyboardType
advapi32.dll
RegOpenKeyExA
RegCloseKey
oleaut32.dll
wsock32.dll
shfolder.dll
shell32.dll
ShellExecuteA
urlmon.dll
URLDownloadToFileA
abhklfchkmsuav'`h.ks fmsr26365xR`msjo
MPHTTP
KWindows
MPUDP


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):

    taskkill.exe:216
    attrib.exe:1800
    attrib.exe:320
    attrib.exe:1476
    attrib.exe:1936
    attrib.exe:1560
    attrib.exe:652
    attrib.exe:348
    ping.exe:140

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

    %Documents and Settings%\%current user%\Application Data\Intel\YnmUHxvTegf3.exe (15799 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\x1NO4qquf3IvOGCk\vbc.exe (7547 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\GC8KivHWcTG2675L.bat (25 bytes)
    %System%\drivers\etc\hosts (832 bytes)

  4. Remove the references to the Trojan by modifying the following registry value(s) (How to Work with System Registry):

    [HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    "Shell" = "%Documents and Settings%\%current user%\Application Data\Intel\YnmUHxvTegf3.exe,explorer.exe"

  5. Restore the original content of the HOSTS file (%System%\drivers\etc\hosts):
    127.0.0.1 localhost
  6. Reboot the computer.

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

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