My Flight Finder Search is a browser hijacker that will attempt to commandeer your browser search and homepage to the site search.hmyflightfinder.net. The search results 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.
Browser hijackers like search.hmyflightfinder.net are usually installed through bundled software without you knowing. In this case, it is the “My Flight Finder” browser extension. It has to be removed immediately before it further brings damage to your system.