Virus.DOS.BlackMonday

Detect Date 01/11/2002
Class Virus
Platform DOS
Description

BlackMonday is a very dangerous memory resident virus. It hits COM and EXE files by a standard manner when they are started. It contains the following text:

Black Monday 2/3/90 KV KL MAL

On Mondays, after infection of a COM file, the virus formats the hard disk. The virus also hooks INT 21h.