Dregol slowing down internet and won't go away!

Hi all,

I'm aware that you need logs/further information to really help, but I just wanted to make an initial post to get the ball rolling. Having installed all the relevant antivirus software/run the programs I was instructed to on the remove Dregol tutorial on this site, I'm at my wit's end with this issue as it's causing serious problems, crippling my PC's internet speed and basically rendering it useless. I'm at work atm but will post logs etc. as soon as I get home later on today.

I...

Dregol slowing down internet and won't go away!