Threat Description



Category: Malware
Type: Virus
Platform: W32
Aliases: Nyxem.D, Nyxem.D


This variant of the Nyxem worm was found in September 2004. The worm spreads itself via emails. It deletes files of various security applications.


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

The worm drops this file:

  • \windows\system32\About_Blackworm.C.txt

When executed, the worm will run an empty copy of Windows Media Player. Additionally the worm can perform a Denial of Service (DoS) attack against this website:


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