Download Combofix and save it to your desktop.
http://download.bleepingcomputer.com/sUBs/ComboFix.exe

Note: It is important that it is saved directly to your desktop

Close any open browsers.
Please disable your antivirus program and firewall while running combofix.
Double click on combofix.exe & follow the prompts.
When finished, it shall produce a log for you.

Post the ComboFix.txt in your next reply.

Note:
Do not touch the computer while combofix is running. That may cause it to stall