Microsoft Malware Protection Center (MMPC) is now Windows Defender Security Intelligence (WDSI). Watch out for even more info about threats and protecting you and your Windows computer.
Alert level: Severe Detected with Windows Defender Antivirus
Also detected as: No associated aliases
Microsoft security software detects and removes this threat.
This threat locks your PC and displays a full-screen message, commonly called a "lock screen".
It pretends to be from the FBI or a national police force and tries to scare you into paying a fine to unlock your PC.
Typically, this threat gets on your PC when you visit a hacked webpage.
Windows 10 protects you from ransomware. Read more: