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  3. VBS.Sysnom@mm


Risk Level 1: Very Low

December 23, 2002
February 13, 2007 11:55:51 AM
Also Known As:
I-Worm.Sysnom [KAV], VBS/Generic@MM [McAfee]
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

VBS.Sysnom@mm is a worm written in Visual Basic Script. It spreads using Microsoft Outlook. When first run, it also attempts to perform a Denial of Service against a virus writer's website.

The email would have the following characteristics:
Subject: Good News
Attachment: SoftwareKey.exe

Antivirus Protection Dates

  • Initial Rapid Release version December 24, 2002
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version December 24, 2002
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date December 24, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Maryl Magee

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