Threat description




Niknat is a simple Word Macro virus. It creates a hidden directory called C:\EvaHzg2 and writes a batch file into it. This batch creates a bitmap file (Evah.bmp) by using debug.exe from DOS.


Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

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Technical Details

Niknat activates on 23rd of October. Then the virus manipulates the registry in order to change the active Wallpaper to a new one. This new Wallpaper is the previously creates Evah.bmp which contains a picture of a naked girl.

Niknat contains the 6 macros:

Evahzg         AutoClose         ToolsMacro         FileTemplates         TCloseAN         DCloseAN  

Any attempt to use Tools/Macro or File/Templates menu causes the computer's speaker beep while a message box with this text appears on the screen:

Windows Protection Error  

The virus body contains the following text which is never displayed:

by NAENBGOURSG         SO.HT.AI.KS         231076-GREECE         Thanks to NEURO         VRD 19-4-1997         VRP A.U.A  

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