Risk Level 1: Very Low
Trojan.Cryptdef!gm is a heuristic detection used to detect threats associated with the Trojan.Cryptodefense family of threats.
Initial Daily Certified version of virus definitions for Norton security products was released on October 19, 2014 revision 001. It should be noted that users with the older versions of Norton Internet Security are limited to Daily LiveUpdate definitions. For more information, go to the page where the are described virus definitions available for Norton products.