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  3. W32.Choke.Worm


Risk Level 1: Very Low

June 6, 2001
February 13, 2007 11:52:13 AM

This worm uses the MSN Messenger Service (MSNMS) program to replicate; it is the second worm that is known to do so. The worm itself does nothing more than replicate, and if it is executed on a computer that does not have MSNMS installed, it simply remains resident in memory without replicating.

Antivirus Protection Dates

  • Initial Rapid Release version June 6, 2001
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version June 6, 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: Atli Gudmundsson

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