Search Button browser hijacker is a potentially unwanted program with all kinds of dangerous traits. First of all, it might change your browser preferences, such as the default search engine, new tab, and homepage. That’s done to redirect all search traffic through a website of its choice. During our research, the appointed search engine was keysearchs.com, which is fake as it doesn’t generate any search results. But depending on your geolocation, the search engines might differ.