Virus:TR/Dldr.Agent.hxf.2
Date discovered:24/03/2009
Type:Trojan
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:11.776 Bytes
MD5 checksum:0a81d6084022641ce7378e98e08039e1
IVDF version:7.01.02.206 - Tuesday, March 24, 2009

 General Aliases:
   •  Mcafee: W32/Koobface.worm virus
   •  Sophos: W32/Koobfa-Gen
   •  Panda: W32/Koobface.AJ.worm
   •  Eset: Win32/Koobface.NAY
   •  Bitdefender: Trojan.Generic.1570349


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Downloads a malicious file
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %WINDIR%\pp04.exe



It deletes the initially executed copy of itself.



The following file is created:

– A file that is for temporary use and it might be deleted afterwards:
   • %WINDIR%\9g234sdfdfgjf23




It tries to download a file:

– The location is the following:
   • http://con-sole0603.com/**********
At the time of writing this file was not online for further investigation.

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

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "pp"="%WINDIR%\pp04.exe"

 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 Petre Galan on Thursday, November 26, 2009
Description updated by Petre Galan on Thursday, November 26, 2009

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