Threat description


Category: Malware
Type: Virus
Platform: W32
Aliases: Horse, Naughty Hacker


This is a family of 8 viruses from Bulgaria, reported to be written by a person named Martin Harizanov. The viruses can be divided into two groups, the first containing variants 1,2,2B and 7 but the other group contains variants 3,4,5 and 6.

Not fully analyzed, but the variants do not appear to be particularly interesting.


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.


More information on scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

For further assistance, F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.


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