Radio Searchs is a browser hijacker that will attempt to commandeer your browser search and homepage to a fake one. This browser hijacker will display unwanted ads and send you to malicious websites to get money from you or infect your computer further. It may also track your browsing activities and gather personal data. Be wary because it can also prevent you from changing your settings back.
Radio Searchs is usually installed through bundled software without you knowing. Remove it immediately.