You got something already. Have HJT fix this:
O4 - HKLM\..\Run: [Win Server Updt] C:\WINDOWS\wupdt.exe

Then delete it manually like B4.

That CPU usage is normal, mine does the same. Games are just CPU intensive.

Glad that VX2 comes up clean now.
Please go here & install ALL critical updates required for your system.

Check out the "So how did I get infected to start with..." thread here.