Int 2F Fn CA00  - Tbscanx - Installation Check                             [v]

   AX = CA00h
   BX = 5442h ('TB')

Return: AL = 00h not installed
      = FFh installed
       BX = 7462h ('tb') if BX was 5442h on entry
Program: TBSCANX is a resident virus scanning module by Frans Veldman.

Note:  programs may perform virus checks on themselves, other program files,
     or their data files by invoking the TBSCANX API.

See Also: AX=4653h,AX=C900h