Threat Description

Bait

Details

Aliases: Bait
Category: Malware
Type: Virus
Platform: W32

Summary


Bait-virus was found in Finland during spring 1994. When an infected file is executed, it will infect several COM files in the current directory and change the working directory to \DOS. Infected files will grow by 425 bytes.



Removal


Automatic action

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

More

Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.

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



Technical Details


The virus encrypts itself with a variable 16-bit key, but the decryption routine is constant, so this virus can be detected with a search string.

The following text is found underneath the encryption:

         Bait Virus 2.0. Finland (C) 1994 JH  




Description Details: Mikko Hypponen, F-Secure


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