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Category: Malware

Type: Virus

Aliases: Defo, FD622


This is a typical boot sector virus. It sometimes displays a 'Runtime error' message.

Defo was reported to be in the wild in several countries during summer 1996.


Automatic action

Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.

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About the product

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