Int 2F Fn E000 - Kaoshide - Installation Check [j]
AX = E000h
Return: AL = FFh if installed
Program: KAOSHIDE ('Hidden Kaos') is a PD joke TSR which randomly capitalizes
alphabetic keys, written by Philip Maland. Although not a virus,
v2.0 uses some viral-like techniques to hide itself from
memory-reports by reducing DOS memory size.