Threat description


Category: Malware
Type: Virus
Platform: W32
Aliases: VFSI, Happy Day


This virus is believed to have been written by a student at the "Vish Finansovo-Stopanski Institut" in Bulgaria. It can be stopped by making files read-only. When it activates, it may display the following messages.

HELLO!!! HAPPY DAY and SUCCESS          from virus 1.1 VFSI-Svistov 					  


Automatic action

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


More information on scanning and removal options available in your F-Secure product can be found in the Help Center.

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.


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