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Date discovered:29/10/2010
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:188.417 Bytes
MD5 checksum:a489dfed41254903f1fe1437657161df
VDF version:
IVDF version:

 General Aliases:
   •  Kaspersky: Worm.Win32.AutoRun.bpyh
   •  Sophos: Mal/VBInject-D
   •  Bitdefender: Rootkit.40120
   •  GData: Rootkit.40120

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

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

 Files It copies itself to the following location:
   • C:\KEY\F-2-3-13-23878789098-7675432123-0000900091-777\x0rr0x.exe

The following file is created:

– C:\KEY\F-2-3-13-23878789098-7675432123-0000900091-777\Desktop.ini

 Registry The following registry key is added:

– [HKLM\Software\Microsoft\Active Setup\Installed Components\
   • "StubPath"="c:\KEY\F-2-3-13-23878789098-7675432123-0000900091-777\x0rr0x.exe"

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

Port: 5900
Nickname: VirUs-umzzjfpm

 Injection – It injects itself as a remote thread into a process.

    Process name:
   • explorer.exe

 Miscellaneous Mutex:
It creates the following Mutex:
   • backtox0r_v_1

 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 Tuesday, April 5, 2011
Description updated by Petre Galan on Tuesday, April 5, 2011

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