Can't remove dosearches.com

Just recently when I open a new tab in FF I have been getting 'dosearches.com'in the address bar, and even when I change my homepage back to google it just go back to 'dosearches.com'.

I have looked in Programs and Features in windows 7 64bit, and there is no sign of anything like 'dosearches' to uninstall.

I have also looked in FF addons, and again no sign of 'dosearches'.

I am stumped at how or where its coming from.

I have searched the registry and have instances of IRDOSearches under HKLM\Software\Clases\Interface\ 9EB etc etc, but not sure if those instances are related to doserches.com

I have done a system cleanup using Spybot S&D, and have a clean system, also ran MalwareBytes Anti malware program and gain it found nothing.

So where is the dosearches.com coming from???

via Bleeping Computer Last 20 Posts http://www.bleepingcomputer.com/forums/t/513455/cant-remove-dosearchescom/