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Date discovered:08/10/2009
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:139.264 Bytes
MD5 checksum:8f986dc6bfd92808800395c70bed764e
IVDF version: - Thursday, October 8, 2009

 General Method of propagation:
   • Autorun feature

   •  Sophos: W32/Autorun-ASR
   •  Panda: W32/IRCBot.CRG.worm
   •  Eset: Win32/AutoRun.IRCBot.DJ
   •  Bitdefender: Backdoor.IrcBot.ACVJ

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%\winulty.exe
   • %drive%\~tmpdata\~tmpdata.exe

It deletes the initially executed copy of itself.

%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 Upgrate Utility"="%SYSDIR%\winulty.exe"

The following registry key is changed:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   New value:
   • "ProxyBypass"=dword:0x00000001

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

Server: srv1.mes**********.ru
Port: 1863
Nickname: N|USA|0|XP|%number%

Server: srv1.man**********.ru
Port: 1863

– Furthermore it has the ability to perform actions such as:
    • Execute file
    • Updates itself

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

    Process name:
   • winlogon.exe

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

Описание добавил Petre Galan в(о) пятница, 19 февраля 2010 г.
Описание обновил Petre Galan в(о) вторник, 23 февраля 2010 г.

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