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


Risk Level 2: Low

January 26, 2005
February 13, 2007 12:32:24 PM
Also Known As:
Win32.Mugly.G [Computer Associ, Email-Worm.Win32.Wurmark.g [Ka, W32/Mugly.h@MM [McAfee], W32/Wurmark-F [Sophos], WORM_MUGLY.H [Trend Micro]
Systems Affected:

W32.Mugly.G@mm is a worm that uses its own SMTP engine to spread by sending itself as an email attachment to addresses gathered from the compromised computer. The email will have a variable subject line and a variable attachment name. The attachment will have a .scr file extension.

The worm also drops and runs a variant of W32.Spybot.Worm.

Antivirus Protection Dates

  • Initial Rapid Release version January 26, 2005
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version January 26, 2005
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date January 26, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kaoru Hayashi

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