Category: <b>virus/antivirus</b>
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<pre><b>INT 21 - VIRUS - "CoffeeShop" - INSTALLATION CHECK</b>

	AX = 33DAh
Return: AH = A5h if resident
	    AL = virus version
SeeAlso: AX=33DB,AX=33DCh,AX=330Fh,AX=33E0h,AX=5643h"VIRUS"
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