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Virus:TR/Obfuscate.BX.115
Date discovered:16/06/2011
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:193.024 Bytes
MD5 checksum:9E193A98E59FE3E9939FD288821959A3
VDF version:7.11.09.231 - Thursday, June 16, 2011
IVDF version:7.11.09.231 - Thursday, June 16, 2011

 General Aliases:
   •  Kaspersky: Trojan.Win32.Vaklik.lis
   •  TrendMicro: TSPY_ONLINEG.J
   •  Microsoft: Worm:Win32/Taterf.D


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


Side effects:
   • Third party control
   • Registry modification
   • Steals information

 Files It copies itself to the following location:
   • %SYSDIR%\jpking.exe



It deletes the initially executed copy of itself.




It tries to download some files:

– The location is the following:
   • www.**********dugcd.com/1rb/ar.rar
It is saved on the local hard drive under: %SYSDIR%\jpking0.dll Further investigation pointed out that this file is malware, too.

– The location is the following:
   • www.**********dugcd.com/1rb/ar.rar
It is saved on the local hard drive under: %SYSDIR%\jpking.exe Further investigation pointed out that this file is malware, too.

– The location is the following:
   • www.**********dugcd.com/1rb/ar1.rar
It is saved on the local hard drive under: %SYSDIR%\jpking1.dll Further investigation pointed out that this file is malware, too.

 Registry One of the following values is added in order to run the process after reboot:

–  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "king_jp"="%SYSDIR%\jpking.exe"



The following registry key is added:

– [HKLM\SOFTWARE\Classes\CLSID\MADOWN]
   • "urlinfo"="kfdcd.b"

 Injection – It injects itself into a process.

    Process name:
   • explorer.exe

   If successful, the malware process terminates while the injected part remains active.

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

Description inserted by Andrei Ilie on Thursday, September 1, 2011
Description updated by Andrei Ivanes on Thursday, September 8, 2011

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