The following free Microsoft software detects and removes this threat:
However, in some cases you may need to use the free tool Windows Defender Offline to fully clean your PC:
The following articles may help if you're having trouble getting the tool to work:
After you've used Windows Defender Offline, you should make sure your security software is up to date and run a full scan:
Even if we've already detected and removed this particular threat, running a full scan might find other malware that is hiding on your PC.
You can also visit the Microsoft virus and malware community for more help.
Additional recovery instructions
Repairing your Master Boot Record
This threat might cause damage to your PC's Master Boot Record (MBR) and Boot Configuration Data (BCD). You will need to run the following commands using the bootrec.exe tool to ensure a complete repair of your PC:
There is more information about these commands in Microsoft Security Article KB927392, with specific focus on the options /fixmbr, /fixboot, and /rebuildbcd.