how to remove Dosearches.com browser hijack virus?

how to remove Dosearches.com browser hijack virus?
dosearches.com is a home page hijacker made to control the default start-up page of browsers like Internet Explorer, Google Chrome, and Mozilla Firefox. Apart from occupying the home page, this browser hijacker is also noticed to drop add-on on the browser. It may perform other malicious thing like search result redirect and data gathering.
For more help at: http://goo.gl/65OhsK