Filseclab Twister AntiVirus (Twister Anti-TrojanVirus) has the virus definition over 1460,000 for detecting Viruses, Trojans and other malicious threats. The unique Filseclab Dynamic Defense System (FDDS likes HIPS) can detect and prevent the most unknown Trojans and Viruses even without the latest virus definition and its Online Scan feature can easily scan the suspicious online, usually your PC will not be infected again after it installed. It has fast scan speed. It also has the Registry Protection, Process Protection, and Virus Immunity System. The LiveUpdate can easily update software and virus definition.