1. Symantec/
  2. Security Response/
  3. W32.Mytob.BM@mm


Risk Level 2: Low

April 24, 2005
February 13, 2007 12:37:50 PM
Also Known As:
Win32.Mytob.BM [Computer Assoc, Net-Worm.Win32.Mytob.af [Kaspe, W32/Mytob.gen@MM [McAfee], W32/Mytob-AG [Sophos], WORM_MYTOB.CA [Trend Micro]
Systems Affected:

W32.Mytob.BM@mm is a mass-mailing worm with back door functionality that uses its own SMTP engine to send an email to addresses that it gathers from the compromised computer. The worm spreads through network shares protected by weak passwords.

Antivirus Protection Dates

  • Initial Rapid Release version April 25, 2005
  • Latest Rapid Release version August 8, 2016 revision 023
  • Initial Daily Certified version April 25, 2005
  • Latest Daily Certified version August 9, 2016 revision 001
  • Initial Weekly Certified release date April 27, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Asuka Yamamoto

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