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21FF0F

Category: virus/antivirus

INT 21 - FLU_SHOT+ v1.83 - INSTALLATION CHECK

	AX = FF0Fh
Return: AX = 0101h if resident
Program: FLU_SHOT+ is an antivirus/antitrojan program by Ross M. Greenberg and
	  Software Concepts Design
Note:	the "PSQR/1720" virus calls this function to determine whether
	  FLU_SHOT+ is present
SeeAlso: AH=FFh"VIRUS",AX=FF10h"VIRUS"

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