Threat Description

Barrotes

Details

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

Summary



Barrotes is a large family of Spanish viruses which infect COM and EXE files when they are executed.



Removal


Automatic action

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

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.



Technical Details



Barrotes.1310 activates on January 5th, at which time it will overwrite the MBR of the first hard disk, and install a display-routine. This routine displays colorized vertical bars on the screen, and a text "Virus BARROTES pro OSoft" in the upper-left corner of the screen. The bars will remain visible on the screen, but the user is allowed to continue using the machine.

Barrotes.1463 attempts to destroy data on the 22nd of every month, but due to an programming error it activates on the 34th of every month - ie. never.





Description Created: Mikko Hypponen, F-Secure


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