URL:Mal threat & Fic Atikmdag.sys blue screen

HELP!!! I also have 100% CPU usage so all scans etc are slow. Enclosed are all logs run. Please help. Thanks

http://www.tomshardware.co.uk/answers/id-1656824/atikmdag-sys-error-bsod-startup.html

Besides that, your system is also infected with poweliks.

What is poweliks?