Category: Viruses and Spyware Protection available since:30 May 2008 23:37:07 (GMT)
Type: Win32 worm Last Updated:20 Apr 2013 21:59:09 (GMT)
Prevalence: Small Number of Reports

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  • Win32.Worm.Mariofev.AD


  • Drops more malware
  • Reduces system security
  • Installs itself in the registry

Affected Operating Systems


Recovery Instructions:

Please follow the instructions for removing worms.

W32/MarioF-Gen locks some W32/MarioF-B files thereby preventing them from being scanned.

User should reboot and rescan after cleanup of W32/MarioF-Gen to ensure there is no W32/MarioF-B infection left over.

Some versions of W32/MarioF-Gen replace the existing copy of <System>\termsrv.dll and <System>\dllcache\termsrv.dll with an older version which allows concurrent connections. User may need to restore these files from Windows installation disk.

W32/MarioF-Gen enables Windows Terminal Server. User should disable this service if it is not required.

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