Threat description


Platform: W32
Aliases: Hark, Harkone


Hark is a simple Word Macro virus. Infected documents have macros called "AutoOpen" and "Harkone".

This virus has an interesting activation routine. On 1st of June the virus maximizes all active windows, changes the font size to 60 and insert the test "HARKONE" and "NJ [SLAM]".

SLAM is a name of a virus-writing group.


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.

Technical Details:Katrin Tocheva, F-Secure


Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.

Learn More