Browser hijacking Some adware uses Sear4m.xyz to cause a user to click on Sear4m.xyz ads. Once Sear4m.xyz is installed, it changes the default DNS settings of browsers like Mozilla Firefox, Google Chrome, and Internet explorer, and often redirect to various fake websites which are often laiden with viruses. Searchassist is a browser hijacker which piggybacks on other downloads from untrusted websites. It will change the new tab homepage to searchassist.net and opens searchassist on browser start-up. It is stubborn, and if not uninstalled, will repeatedly change the browser tabs and homepage settings. It works with Firefox, Safari, Chrome, and Internet Explorer, though
Firefox 3.5 to support X BitMap images. Estimates of Firefox 3.5's global market share in February 2010 were around 15–20% and rose rapidly in July 2009 as users migrated from Firefox 3.0. From January 2010 it began to decline as users migrated to Firefox 3.6. Between mid-December 2009 and February 2010, Firefox 3.5 was the most popular browser (when counting individual browser versions) according to StatCounter, and was one of the top 3 browser versions according to Net Applications. Both milestones involved passing Internet Explorer 7, which previously held the No. 1 and No. 3 spots in popularity according to StatCounter and