Trojan.Ransomlock.K

Risk Level 1: Very Low

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Discovered:: 20 April 2012
Updated:: 26 October 2012 2:19:39 PM
Type:: Trojan
Infection Length:: 63,488 bytes
Systems Affected:: Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP

Trojan.Ransomlock.K is a Trojan horse that locks the desktop making the computer unusable. It then asks the user to pay to have it unlocked.

For more information, please see the following resource:
Trojan.Ransomlock

Antivirus Protection Dates

Initial Rapid Release version 20 April 2012 revision 017
Latest Rapid Release version 21 May 2013 revision 008
Initial Daily Certified version 20 April 2012 revision 019
Latest Daily Certified version 21 May 2013 revision 020
Initial Weekly Certified release date 25 April 2012

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

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

Damage

Damage Level: Medium
Payload: Asks the user to pay to unlock the computer.

Distribution

Distribution Level: Low

Writeup By: Santiago Cortes

Technical Details