Mamutu is an excellent antivirus program that offers real time monitoring of all running programs to detect their behavior. It works on behavioral detection to recognize known and unknown trojans, worms and viruses. It uses minimal resources and does not slow down your PC. The all new behavior-based protection technology constantly monitors all active programs to detect suspicious behavior of any process and issues a warning message on detection. It will effectively block any malware before it can cause any damage to your system. It always places a suspicious program in quarantine before deleting it so that you can decide what you want to do with it.