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
Yahoo! Toolbar Yahoo! Search Yahoo! Chrome Toolbar is the most recent addition to the Yahoo! Toolbar family. Opera and Safari are not supported. It has built-in algorithms to prevent pop-ups and spyware. Several additional features are available on the Internet Explorer version, as well as incorporating Firefox-style tabbed browsing to IE version 6.0 (versions 7.0 and later allow tabbed browsing). The Yahoo! Toolbar has a well known and dark history of being bundled with other software. The toolbar often installs itself without the user's knowledge or consent. Yahoo! is known for paying developers to place the toolbar into programs in such a