Threat Description



Category: Other
Type: Other
Platform: N/A
Aliases: RC5, Distributed Net, RC5 Client


There is no virus by this name. is an organization that distributes a client that can be used to calculate huge calcutions when a large number of machines is running the client.

Some users have created trojan horses to drop this client to unsuspecting users, effectively using their machine for their own needs.

For more information, see:


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

Earlier versions of F-Secure Anti-Virus detected Bymer worm as 'Worm.RC5'. The description of Bymer worm can be found on our virus information pages:

The RC5 client's name dropped by Bymer worm is DNETC.EXE. In case you have Bymer worm infection, you have to delete both worm's file and RC5 client from your system. See Bymer worm description for more info.

[F-Secure Corp. Virus Research Team, 2000-2001]


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