With this particular threat, you'll need to start by disabling System Restore. This one definitely gets into those restore points and uses them to reinfect your computer.
- Click the Start button, then click Control Panel.
- Double-click System and select the System Restore tab.
- Check the box beside Turn off System Restore.
- Click OK and restart your computer.
After these steps are done, follow the instructions in the required reading document Ex_Brit suggested. Please let me know your status after going through the steps in the document.