Norton Antivirus Download: Norton Antivirus does well in finding all types of viruses and malware. It even provides the full system scan or specific folder scan of the system. Not even a single known virus can be get away from Norton. It detects the latest and newest malware/viruses and fixes them immediately. It protects the system from visiting the websites which are suspicious and restricts the system from downloading them. It works and performs well in usability and protection and none of the antivirus software beat the Norton in that.