Int 21 Fn C0  - Virus - "slow"/"zerotime", "solano" - Installation Check   [v]

   AH = C0h

Return: AX = 0300h if "Slow"/"Zerotime" resident
   AX = 1234h if "Solano" resident

See Also: AX=BE00h,AX=C000h"VIRUS",AX=C301h"VIRUS"