1. Symantec/
  2. Security Response/
  3. VBS.Yolo.B@mm


April 24, 2003
February 13, 2007 12:00:28 PM
Systems Affected:
Microsoft IIS, Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

VBS.Yolo.B@mm is a mass-mailing worm that spreads by email, file-sharing networks, floppy disks, and network drives. The worm sends mail with the subject, "RE: Importante" and an attachment, called ".vbs."

VBS.Yolo.B@mm also tries to delete several files from your computer. On April 1st, it attempted a Denial of Service (DoS) attack on a particular Web site.

Antivirus Protection Dates

  • Initial Rapid Release version April 25, 2003
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version April 25, 2003
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date April 30, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Heather Shannon

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2016 Internet Security Threat Report, Volume 21
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