1. Symantec/
  2. Security Response/
  3. W32.Femot.Worm


Risk Level 2: Low

June 4, 2003
February 13, 2007 12:02:03 PM
Also Known As:
W32/MoFei.worm [McAfee], WORM_MOFEI.A [Trend], WORM_MOFEI.B [Trend], W32/Mofei-A [Sophos], Backdoor.Mofeir.101 [KAV], Worm.Win32.Mofeir.b [KAV], Win32.Mofei.A [CA], Win32.Mofei.B [CA]
Systems Affected:

W32.Femot.Worm is a worm that attempts to spread through a local network. The worm attempts to use ports 135 and 139. W32.Femot.Worm also has Backdoor capabilities.

Symantec Security Response has created a tool to remove W32.Femot.Worm, which is the easiest way to remove this threat.

Antivirus Protection Dates

  • Initial Rapid Release version June 4, 2003
  • Latest Rapid Release version March 23, 2017 revision 037
  • Initial Daily Certified version June 4, 2003
  • Latest Daily Certified version March 23, 2017 revision 041
  • Initial Weekly Certified release date June 4, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kaoru Hayashi

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