https://community.avast.com/t/signature-based-av-misses-88-of-grumblar-infections/630516
Signature based av misses 88% of Grumblar infections... - General Topics - Avast Community
Aug 15, 2009 - Hi malware fighters, Glad we have avast with the shields. Because one of the more dangerous infections for a greater part have not been found up by signature...