http://malwaretips.com/blogs/your-computer-has-been-blocked-virus/
... with failed results:
Method 1: failed because blue screen of death on reboot to safe mode with networking, which may or may not be related to malware infection.
Method 2: failed because no known Windows restore point (and also blue screen of death).
Method 3: failed because blue screen of death on reboot to command prompt.
Method 4: created Hitman Pro USB stick, booted to that successfully, ran a scan, found and...
FBI Malware Removal did not work
... with failed results:
Method 1: failed because blue screen of death on reboot to safe mode with networking, which may or may not be related to malware infection.
Method 2: failed because no known Windows restore point (and also blue screen of death).
Method 3: failed because blue screen of death on reboot to command prompt.
Method 4: created Hitman Pro USB stick, booted to that successfully, ran a scan, found and...
FBI Malware Removal did not work