WebCry is a new search engine results hijacker that can install itself through Windows security holes. This hijacker will replace google and yahoo search results, redirecting users commercial web-sites. WebCry can also install malicious video codecs. In addition it may slow your browser [...]

Source: http://removers.volyn.net/2008/02/11/how-to-remove-webcry-hijacker-webcry-removal-tool/