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Virus:WORM/Pushbot.16896.C
Date discovered:21/12/2010
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Medium
Damage Potential:Low to medium
Static file:Yes
File size:16.896 Bytes
MD5 checksum:82faa0a28786bc6281b6ae7669a3ccfc
VDF version:7.10.07.66
IVDF version:7.11.00.138 - Tuesday, December 21, 2010

 General Methods of propagation:
   • Local network
   • Messenger


Aliases:
   •  Mcafee: W32/IRCbot.worm
   •  Kaspersky: Backdoor.Win32.IRCBot.amj
   •  TrendMicro: WORM_PUSHBOT.BA
   •  Sophos: Mal/IRCBot-C


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


Side effects:
   • Drops files
   • Registry modification

 Files It copies itself to the following location:
   • %WINDIR%\winfp.exe



The following file is created:

%WINDIR%\img4851.zip

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

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Audio Device Manager"="winfp.exe"

 Messenger It is spreading via Messenger. The characteristics are described below:

– Windows Live Messenger


Message
The sent message looks like one of the following:

   • WoW? is that really you... what the hell where you drinking :D
     LOL, you look so ugly in this picture, no joke...
     Should I put this on facebook/myspace?
     Hey m8, who is this on the right, in this picture...
     Sup, seen the pictures from the other night?

 IRC – Furthermore it has the ability to perform actions such as:
    • Join IRC channel
    • Leave IRC channel
    • Upload file


Spreading:

 Miscellaneous Internet connection:
In order to check for its internet connection the following DNS server is contacted:
   • ns2.darksheekz.info

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPX

Description inserted by Andrei Ilie on Wednesday, March 16, 2011
Description updated by Andrei Ilie on Thursday, March 17, 2011

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