1. Symantec/
  2. Security Response/
  3. W32.Mumu.B.Worm


Risk Level 2: Low

June 26, 2003
February 13, 2007 12:02:58 PM
Also Known As:
W32/Mumu.b.worm [McAfee], WORM_MUMU.A [Trend], W32/Mumu-C [Sophos], Win32.Mumu.B [CA], Worm.Win32.Muma.c [KAV]
Systems Affected:

W32.Mumu.B.Worm is a worm that spreads through network shares. The main worm component is a file named Mumu.exe. The worm will create various files on the infected system, including both legitimate utilities and malicious files. Symantec products will detect the malicious files as Trojan.Mumuboy and Hacktool.Hacline.

Antivirus Protection Dates

  • Initial Rapid Release version June 26, 2003
  • Latest Rapid Release version March 23, 2017 revision 037
  • Initial Daily Certified version June 26, 2003
  • Latest Daily Certified version March 23, 2017 revision 041
  • Initial Weekly Certified release date June 26, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Sergei Shevchenko

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