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VBS.Sysnom@mm

Risk Level 1: Very Low

Discovered:
December 23, 2002
Updated:
February 13, 2007 11:55:51 AM
Also Known As:
I-Worm.Sysnom [KAV], VBS/Generic@MM [McAfee]
Type:
Worm
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.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: High
Writeup By: Maryl Magee

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