Threat Description



Category: Malware
Type: Virus
Platform: W32
Aliases: Ph33r


This was the first virus that infected both DOS and Windows programs correctly.


Automatic action

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

More scanning & removal options

More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.

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

When an infected files is executed either in DOS or Windows, the virus stays resident in memory and infects COM and EXE files when they are accessed.

Ph33r will not infect files which have the letters AN, AV or OT in their name (thus avoiding programs like SCAN, AVP, NAV, MSAV, TBAV, F-PROT...).

Ph33r virus was reported in the wild in Belgium in early 1996.

The WordMacro/Nuclear macro virus attempts to drop this virus into an infected system, but fails.


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