I got these sites I block in my hosts file coming up in a spybot scan.

Microsoft.Windows.RedirectedHosts: Redirected host (Redirected host, nothing done)
www.tweakxp.com=127.0.0.1

Microsoft.Windows.RedirectedHosts: Redirected host (Redirected host, nothing done)
tweakxp.com=127.0.0.1

Microsoft.Windows.RedirectedHosts: Redirected host (Redirected host, nothing done)
www.flash.net=127.0.0.1

Microsoft.Windows.RedirectedHosts: Redirected host (Redirected host, nothing done)
ask.com=127.0.0.1

Microsoft.Windows.RedirectedHosts: Redirected host (Redirected host, nothing done)
www.ask.com=127.0.0.1

I know this a false.