1. Symantec/
  2. Security Response/
  3. VBS.Chism.A@mm


Risk Level 2: Low

June 18, 2001
February 13, 2007 11:57:20 AM

VBS.Chism.A@mm is a simple mass-mailing worm. The worm contains several payloads that are executed only on certain days of the month. The worm emails itself to all contacts in the Microsoft Outlook Address Book.

NOTE: Definitions dated prior to the June 18, 2001, detect this worm (using heuristics detection) as Bloodhound.VBS.Worm.

Antivirus Protection Dates

  • Initial Rapid Release version June 18, 2001
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version June 18, 2001
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date pending
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Neal Hindocha

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