Threat Description

Grog

Details

Aliases: Grog, Gorg
Category: Malware
Type:
Platform: W32

Summary



This is large family or loosely-related viruses from Italy. They all contain a reference to 'Grog' in internal texts. Sizes of the viruses range from 200 to over 2000 bytes.



Removal



Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details



Earlier variants infect only COM files. Later ones are resident, infect COM and EXE files and employ encyrption.

There is a wide variety of texts contained within the variants.

Grog viruses are not common outside Italy.

In February 1996 there were over 50 different Grog variants.





Description Created: Mikko Hypponen, F-Secure


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