Remove Spigot Redirect (http://search.yahoo.com/?type=714647&fr=spigot-yhp-ch)

Spigot is identified as a malicious browser hijacker virus which can modify the default settings of Internet Explorer, Mozilla Firefox or Google Chrome without any permission. After breaking onto random computer, Spigot will cause many inconveniences for user eventually. Generally speaking, Spigot redirect comes together with freeware applications that could be downloaded from the internet. It automatically loads each time the browser is launched so that many users are annoyed with such threat showing on their computers. However, this virus is able to escape from the detection of security tools so that even if you have spent a few hours in scanning your computer, it detects nothing when it's completed.