Searchfox.me is a fake search engine. If you get redirected to this website when you open your browser, then a browser hijacker is causing these redirects.
Searchfox.me is a browser hijacker that will attempt to commandeer your browser search and default homepage to https://searchfox.me. Search results generated by this fake search engine will send you to malicious websites to get money from you or infect your computer further. It may also prevent you from changing your settings back.
The browser hijacker searchfox.me is usually installed through bundled software or fake installer without you knowing. Remove it immediately.