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  2. Security Response/
  3. W32.Waledac.B


Risk Level 2: Low

January 1, 2011
January 3, 2011 5:53:59 AM
Also Known As:
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
W32.Waledac.B is a worm that spreads by sending emails that contain links to copies of itself. It also sends spam, downloads other threats, and operates as part of a botnet.

Other resources
For more information, please see the following resource:

Antivirus Protection Dates

  • Initial Rapid Release version January 1, 2011 revision 016
  • Latest Rapid Release version June 10, 2013 revision 016
  • Initial Daily Certified version January 2, 2011 revision 003
  • Latest Daily Certified version June 10, 2013 revision 019
  • Initial Weekly Certified release date January 5, 2011
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Cathal Mullaney

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