W32.SOBER.I@MM SPREADING IN THE WILD

Virus Name  : W32.Sober.I@mm

Alias             : I-Worm.Sober.I, W32/Sober.J@mm, W32/Sober-I, WORM_SOBER.I, Sober.I

Virus type    : Internet worm

Threat level : Medium

Virus details :

                     Sober.I is a mass mailing worm uses e-mail addresses collected from the system to distribute infected mails. The worm uses its own SMTP engine to spread. The worm is written in visual basic and compressed with UPX.

                     Sober arrives as an e-mail attachment with random message subject and message body. The infected mail attachment extension is chosen bat, .com, .exe, .pif, or .scr. [ Example: anti_virusdoc.pif ]. The infected attachment will be in ZIP file too.

The infected mail sample is given below

                     When the infected e-mail attachment is executed, it displays the message box "WinZip_Data_Module is missing ~Error: {<random number>}" and copies itself to Windows system folder with random exe file name. Then it modifies the registry to load automatically on next startup. The registry key modification is given below.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 

                     Sober.I worm downloads a remote file in the infected system. The infected mail will be in English or German. This worm is also known as W32/Sober.j@MM, WORM_SOBER.I, and W32/Sober.I. Sober.I worm appeared on 19th November 2004.

How can I protect my system?

                   Solo has incorporated W32.Sober.I@mm 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?

                   If you are already infected with this worm, you can remove it from your computer using Solo Antivirus software. Solo antivirus can detect and remove W32.Sober.I@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 VBS, Java scripts, Trojans, Backdoors, boot sector, partition table and macro viruses.

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