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Virus Name  : W32.Sober.N@mm

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

Virus type    : Internet worm

Threat level : Medium

Virus details :

                     Sober.N 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 infected mail will be in English or German.

                     The infected mail subject will be I've_got your EMail on my_account! or FwD: Ich bin's nochmal

The infected mail message text will be

ich hatte vergessen Dir meinen Text mitzuschicken.
Aber bitte nicht woanders darueber Reden, ich wuerde mich dann zu Tode blamieren!
Ich melde mich.
Bis bald ;)


First, Very Sorry for my bad English.

Someone is sending your private e-mails on my address.
It's probably an e-mail provider error!
At time, I've got over 10 mails on my account, but the recipient are you.

I have copied all the mail text in the windows text-editor for you & zipped then.
Make sure, that this mails don't come in my mail-box again.


Attachment will be or

The infected mail sample is given below

                     When the infected e-mail attachment is executed, it opens the notepad and displays the message unpack failed {<random number>} and copies to %WINDOWS%\Config\system\services.exe. 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 = ""_SystemCheck"="%WINDOWS%\Config\system\services.exe"


                     Sober.N worm collects e-mail address from the following files


                   This worm is also known as I-Worm.Sober.N, W32/Sober.N@mm, W32/Sober-M, WORM_SOBER.N. Sober.N variant appeared on 19th April 2005.

How can I protect my system?

                   Solo has incorporated W32.Sober.N@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.N@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.

You can purchase Solo antivirus using the link