Sniper is a powerful keylogger component that can be easily integrated in applications. It is a small,easy-to-use ActiveX control that encapsulates all the complexity for logging keys and exposes a few important properties and methods.
You are looking for to delete the cached password stored by CVSNT in the registry editor ??, This is your solution !!, this is a Registry Monitor designed for this, monitor a registry key and delete it after a configurable time.