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  3. Trojan.Ransomlock!g66


Risk Level 1: Very Low

January 12, 2014
January 13, 2014 7:48:22 AM
Systems Affected:
Windows 2000, Windows 7, Windows NT, Windows Vista, Windows XP
Trojan.Ransomlock!g66 is a heuristic detection used to detect threats associated with the Trojan.Ransomlock family of threats.

For more information, please see the following resources:

Antivirus Protection Dates

  • Initial Rapid Release version January 12, 2014 revision 034
  • Latest Rapid Release version January 12, 2014 revision 034
  • Initial Daily Certified version January 13, 2014 revision 002
  • Latest Daily Certified version January 13, 2014 revision 002
  • Initial Weekly Certified release date January 15, 2014
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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