Twister Anti-TrojanVirus is one of the best anti-virus software, it has the largest virus definition for detecting Viruses, Trojans, Spyware, Adware and other malicious threats. The unique Filseclab Dynamic Denfense 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 easy to get the further confirmation for the suspicious, usually your PC will not be infected again after it installed.

It has the fastest scan speed, the Quick Scan can complete a scan for 120GB hard disk with 400,000 files within 1 hour, over 100 files every second. It also has the Registry Protection, Process Protection, and Virus Immunity System. All of these features only needs very low system requirements about 64MB Memory and 586 CPU. The LiveUpdate can easy to update the software and the virus definition. This version is the first release on CNET Download.com.