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  3. Trojan.Ransomlock!g51


Risk Level 1: Very Low

May 9, 2013
May 9, 2013 12:55:13 PM
Infection Length:
Systems Affected:
Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Vista, Windows XP
Trojan.Ransomlock!g51 is a heuristic detection used to detect threats associated with the Trojan.Ransomlock.Q family of threats.

For more information, please see the following resource:

Antivirus Protection Dates

  • Initial Rapid Release version May 9, 2013 revision 007
  • Latest Rapid Release version May 9, 2013 revision 007
  • Initial Daily Certified version May 9, 2013 revision 017
  • Latest Daily Certified version May 9, 2013 revision 017
  • Initial Weekly Certified release date May 15, 2013
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Medium
  • Number of Infections: 50 - 999
  • Number of Sites: 3 - 9
  • Geographical Distribution: Medium
  • Threat Containment: Moderate
  • Removal: Moderate


  • Damage Level: Medium
  • Payload: Displays a message demanding payment to restore the compromised computer to its previous condition.
  • Degrades Performance: Locks the desktop making the system unusable.


  • 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.

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