Re: Does Mozilla own the "Browse Fox" that has shown up on my PC?
BrowseFox is in no way associated with Mozilla.
BrowseFox is spyware/malware installed on your system by freeware or shareware, peer-to-peer software, questionable websites, etc., and may have been downloaded by a site without user intervention or knowledge (aka drive-by download). You can search with you favorite search engine for references to it on the internet; search: browsefox
See the following article and post on one of the specialized malware removal forums shown in the article (if OSX user) or you can try to use several of the suggested free malware removal applications to clean your system (if Windows user).