Threat Description

RP

Details

Aliases: RP, Rhubarb
Category: Malware
Type: Virus
Platform: W32

Summary


This is a stealth boot sector virus. Unlike most other boot sector viruses, RP does not decrease the total amount of DOS memory; instead it decreases the amount of free memory.



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


RP activates on the 17th of December. When the machine is booted on that date, the virus decrypts a message, switches the display to 40 column mode and displays the following text:

RP wants to say hello!  

After this, the virus overwrites part of the hard drive, making the machine unbootable.

The virus is buggy and often crashes when infecting a floppy. RP was reported to be in the wild in Hungary and Denmark in January 1996.





Description Details: Mikko Hypponen, F-Secure


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