Relatively unknown AV from China; http://www.filseclab.com/eng/products/twister.htm

Features
# It can detect and remove Trojan horses, Spyware, Viruses, Hackers, Adware, Keyloggers and other harmware.
# The advanced harmful-websites detection technology can block most web-viruses and script-viruses.
# Realtime protection will automatically monitor every file access against the trojans, spyware and viruses threats.
# Virus definition update and automatic update supported.
# Windows Security Center supported.
# Supports right-click scan from Windows Explorer context menu.
# Supports compressed files scan.
# Registry realtime protection will block and fix the harmware to vandalize your Windows registry.
# Registry Fix Tools can quickly fix a lot of problems about Windows and Internet Explorer.
# Spyware Removal Assistant can force clean the stubborn trojans and spyware that the other removal tools cannot.
# The Behavior Analysis Technology can detect the unknown trojans and spyware better.
# The Windows Trust Verification can raise the anti-rate and reduce the mis-rate.
# The virus immunity feature can anti-unknown viruses like as biological immunity technology.
# The scheduled scan supports automatic scan at specified time.
# Lowest CPU usage rate, best performance.




Initial observations of running this AV;

Very lightweight Guard as it has virtually no discernible effect on system performance; clear GUI; detection appears to be very good on my malware collection; frequent daily updates. BUT on-demand scan speed can be very slow if you have a lot of archived, particularly CAB, files. I am impressed so far and this is an AV to definitely keep an eye on for the future.

90-day free trial and then a "lifetime" one-off license fee of $30.

I have ran this AV for well over a month now and I have had no problems with it.

A very lightweight Guard is its main strength however care needs to be taken with false positives which it can throw up at times.

Overall, it still needs to be officially tested at several sites before I would recommend this AV as a primary scanner.

Several sites? Not yet. Thus far I have seen only one test of Twister -- namely, at THIS site. (They refer to Twister by its proponent name -- "Filseclab".)

Notice how well Twister did on "dynamic" detection. Reason: in addition to its antivirus engine & heuristics, Twister has two additional components: (1) a behavior-blocker-HIPS called "Filseclab Dynamic Defense System" (FDDS), & (2) a registry protection module.

Twister seems to be an interesting security *package* -- bears watching.

Twister was tested again. December 2008 -- same test outfit same alias (Filseclab), splendid score.
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Mele Kalikimaka to all from Bellgamin in Hawaii.