W32.Sober.I@mm is a mass-mailing worm that uses its own SMTP engine to spread by sending itself as an email attachment to the addresses gathered from the infected computer.
The subject of the email varies and will be in either English or German. The email sender address is spoofed. The name of the email attachment varies and has a .bat, .com, .pif, .scr, or .zip extension. The attachment may also have a double file extension.

This threat is written in the Microsoft Visual Basic programming language and is compressed with UPX.

Removal using the Removal Tool
Symantec Security Response has developed a removal tool to clean the infections of W32.Sober . This is the preferred method in most cases.
Removal tool: Click Here

For more information on this virus visit:
http://securityresponse1.symantec.com/sarc/sarc.nsf/html/w32.sober.i@mm.html

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