FullTab Movie is supposedly a program where you can directly watch movies on your browser. But be cautious when installing because this application has been found to be a browser hijacker that will attempt to commandeer your browser search and homepage towards a fake one. Search results will direct you to malicious websites to get money from you or infect your computer further. It will also display lots of unwanted and intrusive ads, and may prevent you from changing your settings back.
FullTab Movie is usually installed through bundled software without you knowing. Remove it immediately.