Threat Description



Aliases: Hidenowt
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

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


Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.

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

Description Details: Mikko Hypponen, F-Secure


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