Virus:TR/KillWin.BQ
Date discovered:12/06/2006
Type:Trojan
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium to high
Static file:Yes
File size:88.064 Bytes
MD5 checksum:2fc1fe5f713d131471a9d11e7ae6168c
VDF version:6.35.00.12
IVDF version:6.35.00.18 - Tuesday, June 13, 2006

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Kaspersky: Trojan.Win32.KillWin.bq
   •  Bitdefender: Trojan.KillWin.F


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Registry modification

 Files  It may corrupt the following files:
   • %SYSDIR%\hal.dll
   • %SYSDIR%\dllcache\kernel32.dll
   • %SYSDIR%\kernel32.dll
   • %SYSDIR%\winlogon.exe
   • %SYSDIR%\dllcache\wininet.dll
   • %SYSDIR%\wininet.dll
   • %SYSDIR%\dllcache\logonui.exe
   • %SYSDIR%\logonui.exe

 Registry The following registry key is added in order to run the process after reboot:

– HKCU\Software\Microsoft\Windows\CurrentVersion\Run
   • "beta2"="%malware execution directory%\%executed file%"

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPX

Description inserted by Ionut Slaveanu on Tuesday, June 13, 2006
Description updated by Ionut Slaveanu on Tuesday, June 13, 2006

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