Threat description


Category: Malware
Type: Virus
Platform: W32


This is an encrypted virus which contains antidebug-tricks. Hidenowt stays resident in memory and infects COM and EXE files when they are executed. Virus infects C:\COMMAND.COM on the first run.

Hidenowt contains no activation routines. It uses text 'Yx' as infection marker.

Hidenowt has been reported to be in the wild.


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.

More scanning & removal options

More information on the 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

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

Description Details: Mikko Hypponen, F-Secure


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