Jihuu.621

Threat description

Details

Category: Malware
Type: Virus
Platform: W32

Summary

This virus activates on Friday the 13th displaying the message:

"Something wonderful has happened, your PC is alive".  

When it is on the 4th day of any month it shows the message:

"Water detected in match-co-processor".  


Removal

Automatic action

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You may also refer to the Knowledge Base on the F-Secure Community site for more information.

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Technical Details

Jihuu will activate in the year 2000. Then it tries to overwrite the hard disk and displays:

"PARITY ERROR System halted".  

Variant:Jihuu.686

Size:686

This variant was found almost three years after the variant 621 - in May 1994. The operation of the virus is identical, but the text messages have been encrypted with XOR FFh operation.





Description Details: Mikko Hypponen, F-Secure


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