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SOBIG WORM SPREADS IN THE WILD

Virus Name  : W32.Sobig.A@mm

Alias             : I-Worm.Sobig, WORM_SOBIG.A, W32/Sobig-A

Virus type    : Internet worm

Threat level : Medium

Virus details :

                     Sobig is an Internet worm, uses e-mail addresses collected from DBX, HTML, DBX, EML, HML, TXT and WAB files to send infected messages. It also copies to shared network drives. The infected e-mail attachment will be one of the following.

Movie_0074.mpeg.pif 
Untitled1.pif 
Sample.pif 
Document003.pif

Subject is chosen from the list given below

  • Re: here is that sample
  • Re: Movies
  • Re: Sample
  • Re: Document

The email body contains the following text:

          Attached file:

                     When the infected attachment is executed, the worm copies itself to Windows folder as "Winmgm32.exe". The worm also creates new keys in the registry Run section to load automatically. The registry modification is given below.

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
WindowsMGM=C:\%WINDOWS%\Winmgm32.exe

                     Sobig connects to a website and tries to download a backdoor program. It also copies to the shared network drives startup folder in the remote machine. So the infected files will be executed automatically on the next startup. It copies to the following shared drives

\Windows\All Users\Start Menu\Programs\StartUp
Documents and Settings\All Users\Start Menu\Programs\Startup

                     Sobig does not contain any destructive payload. The backdoor program downloaded by Sobig can be used by hackers to steal your data. You can use Solo trial version to remove the worm from your system.

How can I protect my system?

                   Solo has incorporated Sobig worm in its signature file to protect users from this worm attack. Solo antivirus registered users are already protected from this worm. Make sure that you have installed registered version of Solo Antivirus to protect your system from all virus threats.

How to remove this worm?

                   Solo antivirus can detect and remove W32.Sobig.A@mm safely. Use the following link to Download 30 day trial version of Solo antivirus to remove viruses from your computer.

                   Solo anti-virus not only scans for all viruses, it contains a unique System Integrity Checker to protect you from New Internet Worms, Backdoors and malicious VB, Java Scripts. It also effectively removes all existing Internet Worms, File viruses, malicious VB, Java scripts, Trojans, Backdoors, boot sector, partition table and macro viruses.

You can purchase Solo antivirus using the link