This software first detect the virus and then remove it. By the simple anti-virus a comparatively new type of thread are not covered. Spyware is a software that collects information from your computer and all the things that you perform on it, and share that details to the third party through internet.
If you observe new toolbar on internet explorer and you haven’t seen before, if your homepage without your knowledge its mean that your PC is suffered by spyware virus. Spybot search such type of spyware and destroy them.
Spybot repairs winsock LSPS, Hijackers, registry, homepage, heavy duty, HTTP cookies, Active X object, PUPS, browser hijackers and keylogger. Another important function of Spybot is if you do not want to show what you are doing while sharing you PC with other users it helps user to fix some extended report and inconsistences.