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  3. Trojan.Mebroot!gen6


Risk Level 1: Very Low

February 28, 2014
March 13, 2014 11:12:48 PM
Systems Affected:
Windows 98, Windows 95, Windows XP, Windows Me, Windows Vista, Windows NT, Windows 2000
Trojan.Mebroot!gen6 is a heuristic detection used to detect threats associated with the Trojan.Mebroot family.

For more information, please see the following resource:

Antivirus Protection Dates

  • Initial Rapid Release version February 28, 2014 revision 017
  • Latest Rapid Release version February 28, 2014 revision 017
  • Initial Daily Certified version March 1, 2014 revision 008
  • Latest Daily Certified version March 1, 2014 revision 008
  • Initial Weekly Certified release date March 5, 2014
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Moderate
  • Removal: Easy


  • Damage Level: Medium
  • Payload: Opens a back door on the compromised computer.
  • Releases Confidential Info: Installs modules that attempt to steal information.
  • Causes System Instability: Modifies the Master Boot Record (MBR).
  • Compromises Security Settings: Bypasses firewalls and other security software.


  • Distribution Level: Low
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Paul Mangan

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