1. Symantec/
  2. Security Response/
  3. W32.Blaster.Worm


Risk Level 2: Low

August 11, 2003
December 9, 2003 11:50:19 PM
Systems Affected:
W32.Blaster.Worm is a worm that propagates by exploiting the Microsoft Windows DCOM RPC Interface Buffer Overrun Vulnerability (BID 8205). It has a date triggered payload that launches a denial of service attack against windowsupdate.com.

Multiple vendors have reported that W32.Blaster.Worm, will cause a denial of service on DCE daemons. This issue is described in BID 8371.

Antivirus Protection Dates

  • Initial Rapid Release version August 11, 2003
  • Latest Rapid Release version February 15, 2018 revision 017
  • Initial Daily Certified version August 11, 2003
  • Latest Daily Certified version February 12, 2018 revision 002
  • Initial Weekly Certified release date August 11, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Douglas Knowles, Frederic Perriott

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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