Full description

Virus:	BDS/Ruskill.db.1
Date discovered:	03/06/2011
Type:	Backdoor Server
In the wild:	Yes
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Medium
File size:	167.936 Bytes
MD5 checksum:	0A415C119E0B5447FE9174B242896222
VDF version:	7.11.08.254 - Friday, June 3, 2011
IVDF version:	7.11.08.254 - Friday, June 3, 2011

General Method of propagation:
   • No own spreading routine

Aliases:
   • Mcafee: W32/Kolab
   • TrendMicro: WORM_DORKBOT.ZC
   • Sophos: Mal/VB-YG

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"

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

Server: **********ukenke.com
Port: 7777
Server password: laekin0505x
Channel: #totalrenovation2011
Nickname: {%random caracters%}%random caracters%
Password: ngrBot

Server: **********fina.com
Port: 7777
Server password: laekin0505x
Channel: #totalrenovation2011
Nickname: {%random caracters%}%random caracters%
Password: ngrBot

Server: **********aa.com
Port: 7777
Server password: laekin0505x
Channel: #totalrenovation2011
Nickname: {%random caracters%}%random caracters%
Password: ngrBot

Server: **********cc.com
Port: 7777
Server password: laekin0505x
Channel: #totalrenovation2011
Nickname: {%random caracters%}%random caracters%
Password: ngrBot

Server: **********ss.com
Port: 7777
Server password: laekin0505x
Channel: #totalrenovation2011
Nickname: {%random caracters%}%random caracters%
Password: ngrBot

– 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:
   • explorer.exe
   • csrss.exe
   • services.exe
   • smss.exe
   • svchost.exe
   • svchost.exe
   • svchost.exe
   • svchost.exe
   • svchost.exe
   • winlogon.exe

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

Description inserted by Andrei Ilie on 9 Ağustos 2011 Salı
Description updated by Andrei Ilie on 9 Ağustos 2011 Salı

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