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- Discovered:
- March 20, 2013
- Updated:
- March 27, 2013 2:18:11 AM
- Also Known As:
- Troj/MBRKill-A [Sophos], TROJ_KILLMBR.SM [Trend], TROJ_KILLMBR.DS [Trend]
- Type:
- Trojan
- Systems Affected:
- Linux, Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
Trojan.Jokra is a Trojan horse that attempts to wipe the hard disk of the compromised computer.
For more information, please see the following resources:
For more information, please see the following resources:
Antivirus Protection Dates
- Initial Rapid Release version March 20, 2013 revision 009
- Latest Rapid Release version April 12, 2013 revision 005
- Initial Daily Certified version March 20, 2013 revision 017
- Latest Daily Certified version April 12, 2013 revision 016
- Initial Weekly Certified release date March 20, 2013
Click here 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: High
- Deletes Files: Attempts to wipe hard disk.
Distribution
- Distribution Level: Low
Writeup By: Symantec Security Response