NProtect Anti-Virus 2007 Privilege Escalation

NProtect Anti-Virus 2007 with TKRgAc2k.sys FsContext for each process to open the device,and save key/key value /virus name /event object in FsContext. Here contains a design error , if a registry operation is intercepted and match the rules , but event handle has not been set, TKAcRg2k.sys will...