If you haven’t installed Start-pagesearch.com Toolbar yourself
The Start-pagesearch.com virus is a browser hijacker that causes redirections to Start-pagesearch.com.org or other sites that it promotes. It replaces your homepage and default search provider and tries to redirect users to sponsored websites. If you haven’t yet confronted with this type of virus, we will shortly explain you how it acts. Due to the aggressive means through which programs like Start-pagesearch.com hijack computers and try to stay installed, the virus researchers have dubbed this malware category browser hijackers. that are difficult to avoid. Therefore, if your web browser has already been hijacked, first of all, you should perform a full system scan with a decent anti-malware, such as Anti-Malware Tool (compatible with Windows OS) or Webroot SecureAnywhere AntiVirus (Mac OS X) because only after that you will be allowed to reset browser’s settings.