1. Symantec/
  2. Security Response/
  3. W32.MyPower.B@mm


Risk Level 2: Low

June 24, 2002
February 13, 2007 11:45:52 AM
Systems Affected:

W32.MyPower.B@mm is a variant of the W32.MyPower@mm worm. It is a mass-mailing worm that sends itself to all contacts that it finds in the Microsoft Windows Address Book. The subject of the email randomly chosen from the following four possibilities
  • New, Patch for, Crack For, The Best
  • microsoft, Borland, ZDnet
  • Tucows, Windows, Program
  • Animated, Protection, Saver, Fixed, Saving, Games, 3DFx Studio

The attachment is also randomly chosen from a predetermined list of 8 possibilities, ending in either a .exe or .scr extension.

The worm is written in the Microsoft Visual Basic programming language and is compressed with PE-Pack.

Antivirus Protection Dates

  • Initial Rapid Release version June 25, 2002
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version June 25, 2002
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date June 26, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube