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Date discovered:15/07/2011
Type:Backdoor Server
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
VDF version:
IVDF version:

 General Method of propagation:
   • No own spreading routine

   •  Kaspersky: Backdoor.Win32.Ruskill.zp
   •  TrendMicro: TROJ_SPNR.02GB11
   •  Microsoft: Worm:Win32/Dorkbot.I

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

Side effects:
   • Drops files
   • Registry modification
   • Steals information

 Files It copies itself to the following location:
   • %APPDATA%\%random character string%.exe

It deletes the initially executed copy of itself.

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

–  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "%random character string%"="%APPDATA%\%random character string%.exe"

The following registry key is changed:

Lower security settings from Internet Explorer:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
   New value:
   • "MigrateProxy"=dword:00000001
   • "ProxyEnable"=dword:00000000
   • "ProxyServer"=-
   • "ProxyOverride"=-
   • "AutoConfigURL"=-

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

Server: **********grasshopperz11.com
Port: 3800
Nickname: %random character string%

Server: **********lighthousez11.com
Port: 3800
Nickname: %random character string%

Server: **********marketallone.com
Port: 3800
Nickname: %random character string%

– This malware has the ability to collect and send information such as:
    • Current user
    • Information about the Windows operating system

– Furthermore it has the ability to perform actions such as:
    • connect to IRC server
    • disconnect from IRC server
    • Join IRC channel
    • Leave IRC channel

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

    All of the following processes:
   • csrss.exe
   • explorer.exe
   • services.exe
   • smss.exe
   • svchost.exe
   • winlogon.exe

 Miscellaneous Accesses internet resources:
   • http://api.wipmania.com/

 File details Programming language:
The malware program was written in MS Visual C++.

Die Beschreibung wurde erstellt von Andrei Ilie am Donnerstag, 20. Oktober 2011
Die Beschreibung wurde geändert von Andrei Ilie am Montag, 24. Oktober 2011

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