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


Risk Level 2: Low

November 30, 2004
February 13, 2007 12:30:36 PM
Also Known As:
Win32.Mugly.B [Computer Associ, Email-Worm.Win32.Wurmark.a [Ka, W32/Mugly.b@MM [McAfee], W32/Wurmark-A [Sophos]
Systems Affected:

W32.Mugly.B@mm is a worm that uses its own SMTP engine to spread by sending itself as an email attachment to addresses gathered from the infected computer. It also drops and runs a W32.Spybot.Worm variant, and may attempt to open a back door on the infected computer.

W32.Mugly.B@mm is a repacked variant of W32.Mugly.A@mm.

Antivirus Protection Dates

  • Initial Rapid Release version December 1, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version December 1, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date December 1, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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