Sadly the fixes outlined would take almost as long as the reloading of software from scratch.... I just have to bite the bullet and make a new image from scratch, so I have a nice fresh image to roll back to in the future, should I require it :-)
if you attach OTL log from this guide http://forum.avast.com/index.php?topic=53253.0

then one of the malware removal experts here will remove it for you…