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Virus:WORM/Taterf.D.185
Date discovered:17/06/2011
Type:Worm
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:193.536 Bytes
MD5 checksum:AA47E03548E63258D9CE4120998882EC
VDF version:7.11.09.255 - Friday, June 17, 2011
IVDF version:7.11.09.255 - Friday, June 17, 2011

 General Aliases:
   •  Kaspersky: Trojan.Win32.Vaklik.lpl
     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.**********duywe.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.**********dutrg.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"="kghcd.z"

 Process termination Processes with one of the following strings are terminated:
   • FilMsg
   • Twister
   • preupd
   • BitDefender
   • AVP.EXE
   • AVGNT
   • avast


 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 the following runtime packers:
   • PolyEnE
   • UPX
   • ASPack

Description inserted by Andrei Ilie on Friday, September 30, 2011
Description updated by Andrei Ilie on Friday, September 30, 2011

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