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  3. W32.Sober@mm

W32.Sober@mm

Risk Level 2: Low

Discovered:
October 24, 2003
Updated:
February 13, 2007 12:12:34 PM
Also Known As:
W32/Sober@MM [McAfee], I-Worm.Sober [Kaspersky], W32/Sober-A [Sophos], WORM_SOBER.A [Trend]. Sober [F, W32/Sober.A@mm [Frisk], W32/Sober.A [Norman], Win32/Sober.A [Eset], Win32.Sober.A [Computer Associ
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Sober@mm is a mass-mailing worm that uses its own SMTP engine to spread itself. The subject of the email varies, and it will be in either English or German.

The name of the email attachment varies, and it will have a .bat, .com, .exe, .pif, or .scr file extension.

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

When W32.Sober@mm is first run, it may display the fake error message "File not complete!"


Note: Virus definitions dated October 24, 2003, revision 20 and greater, will detect this threat.


Symantec Security Response has developed a removal tool to clean the infections of W32.Sober@mm.


Antivirus Protection Dates

  • Initial Rapid Release version October 24, 2003
  • Latest Rapid Release version May 31, 2016 revision 036
  • Initial Daily Certified version October 24, 2003
  • Latest Daily Certified version June 1, 2016 revision 005
  • Initial Weekly Certified release date October 24, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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