Definitions for "Browser hijacker"
Any program that changes some settings in your browser. Browser hijackers commonly redirect your "search" page to pass all searches to a certain pay-per-search site, change the default home page to the desired company page and often transmit URLs (websites) viewed toward the desired company server.
a malicious program, usually a web browser plug-in that modifies web browser
a malicious web site or a software program that is loaded on your computer without your knowledge
Keywords:  palette, safe