The Ourluckysites.com program is a Firefox home page hijacker from the family that is bundled with free programs you download off of the Internet. The ourluckysites.com program is a browser hijacker that modifies the configuration of the Firefox browser so that it automatically opens the ourluckysites.com site when the browser starts.
Article Link: https://www.bleepingcomputer.com/virus-removal/remove-ourluckysites.com-home-page-hijacker