How to remove Police Virus (trojan horse) with System Restore.

Step1:  Start the Computer in Safe mode with Command Prompt

Step2: Type on Command Prompt "rstrui.exe" (Restore Mode)

Step3: Now the restore window open and is ready to restore your system.

Step 4: Restore your system to the last good condition restore point.

Step 5: Restart your pc.

Ref. CytechSolutions

How to remove Police Virus (trojan horse)

Step 1: Download malwarebytes and save it on usb flash drive