The program is a 32 bit supplement, optimized for use in the operating systems Windows 95, Windows 98, Windows NT. In the given program plenty of new heuristic algorithms are realized and there is also a new advanced kernel, providing a faster speed together with a higher level of virus search. VirDet has a suitable user's interface without tiresome quantity of settings and messages. The program has a large, constantly widening virus base. A very sensitive heuristic analyzer is built in and the level of its sensitivity can be regulated in settings.