January 11, 2011

Browser Hijack

A browser hijacker is a form of malware or spyware that replaces the existing internet browser home page, error page, or search page with its own. These are generally used to force hits to a particular website to increase popularity or with which it will generate some revenue for that particular site. More virulent versions often: add bookmarks for pornographic Web sites to the users' own bookmark collection; generate pornographic pop-up windows faster than the user can click them shut; and redirect users to pornographic sites when they inadvertently mistype a URL or enter a URL without the www. preface. Poorly coded browser hijackers -- which, unsurprisingly, are common -- may also slow your computer down and cause browser crashes. 

Message displayed when Hijacked

Like adware and spyware, a browser hijacker may be installed as part of freeware installation. In this case, the browser hijacker is probably mentioned in the user agreement -- although, obviously, not identified as a browser hijacker.

Some of the Browser Hijackers are

Morwill Search is a browser hijacker. It first redirects homepages to its website and begins to collect information on the computer.

CoolWebSearch was one of the first browser hijackers. It redirected the existing home page to the rogue CWS search engine, with its results as sponsored links. Most of the Anti- Virus Programs does not know how to prevent them, only after a long time CWShredder - a tool specifically designed to stop this Browser hijack has come to help users from being hijacked.

 Mywebsearch is the browser hijack that is still there right now that is hijacking browsers for some sites that will install malware and even makes the sysem crash. This has been updated on most of the Anti-Virus Definition Database. Use a good Internet Security Program that has Safe Search option and a separate tool bar installed to prevent this.

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