Search-story.com is a fake search page similar to Google, Bing, Yahoo and other popular search engines. It hijacks Mozilla Firefox, Internet Explorer and Google Chrome. According to the developers, this enhances the browsing experience, screens out irrelevant search results and provides useful functions for fast access to popular sites and social pages.
Nav-goo.com is a malicious search webpage looking and functioning like a familiar search engine with useful functions. This hijacker comes bundled with freeware via its installers, web-clients and other special software, without user consent. It changes browser default homepage, search engine and other settings.
Search.instasrch.com is another browser hijacker, changing browser settings, including the default search engine and replacing the homepage on http://search.instasrch.com/search. These changes can not be undone later.
If you notice that your browser homepage is changed to https://bronav.com, then this probably means that your PC is infected with Bronav.com browser hijacker. Bronav.com comes in the form of a browser extension and changes the settings of your browsers.
Search.stosgame.com search page changes the homepage in all your browsers on http://search.stosgame.com/. According to the developers, this is designed to improve the quality of search and experience of browsing. However, this is a lie.