see *I prefer to use google as a search engine but 'www.crawler.com' keeps popping up instead. How can I stop 'crawler' from popping up? | Firefox Support Forum | Firefox Help *:https://support.mozilla.com/en-US/questions/790619 You can find such things search this site or Google for things similar to the following, depending on how much you want to or need to limit your search: *google redirect crawler *google redirect virus crawler *google search firefox crawler.com I doubt that it really is a virus but it has been called such. ---- We may see a decrease a major decrease soon: *[http://www.zdnet.com/blog/btl/fbi-shutters-14m-major-click-jacking-fraud-4-million-computers-affected/63066?tag=nl.e540 FBI shutters $14m major click-jacking fraud; 4 million computers affected | ZDNet]