Threat Description



Category: Malware
Type: Virus
Platform: W32
Aliases: Alfons, Alfo, Iuta99


This is a destructive virus which was reported to be heavily in the wild in Israel in early 1996. It was also found in the wild in Finland in December 1996.

The virus activates on random dates. When this happens, it will display this text and overwrites drive C:

   Alfons !      Synchronizing drive C: (Do not interrupt this operation !):  100%      Done.   

A later, 1536 byte variant is also known.


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.

Description Details: Mikko Hypponen, F-Secure


Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.

Learn More