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Date discovered:31/07/2008
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Medium
Static file:Yes
File size:37.376 Bytes
MD5 checksum:18833b95b2c136e13febd329c84163cc
IVDF version:

 General Method of propagation:
   • Autorun feature

   •  Mcafee: W32/
   •  Sophos: Mal/Generic-A
   •  Panda: W32/Oscarbot.XV
   •  Eset: Win32/AutoRun.US
   •  Bitdefender: Trojan.Agent.AJNT

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

Side effects:
   • Drops malicious files
   • Registry modification
   • Third party control

 Files It copies itself to the following locations:
   • %SYSDIR%\service.exe
   • %drive%\RECYCLER\%CLSID%\autorunme.exe

The following files are created:

%drive%\autorun.inf This is a non malicious text file with the following content:
   • %code that runs malware%


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

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Windows Taskmanager"="service.exe"

The following registry key is added:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\
   • "Windows Taskmanager"="service.exe"

The following registry keys are changed:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices]
   New value:
   • "Windows Taskmanager"="service.exe"

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\
   New value:
   • "1"="MSNCleaner.exe"
   • "2"="avp.exe"
   • "3"="kav.esp.msi"
   • "4"="msconfig.exe"

 IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: antimsn.mi**********.nu
Port: 6697
Channel: #r00ted
Nickname: %computer name%

 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 Monday, March 8, 2010
Description updated by Petre Galan on Monday, March 8, 2010

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