tack famil
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Tack Family
These are dangerous nonmemory resident parasitic viruses. They search for .COM files of the current directory and write themselves to the end of the file. The viruses infect the files in incorrect way: they overwrite first six bytes of the file beginning with Jmp-Virus instructions (MOV AX,offset Virus / JMP AX), but before return to the host program the viruses restore only five bytes of the code. These viruses display the message:
----------------- Hello, I am virus ! ------------
"Tack.449" contains the word "TACK".
Copyright @2006 tack famil