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: Spyware/Win32.Zbot (AhnLab) TR/Ransom.EZ.577 (Avira) Trojan.Ransomlock!g33 (Symantec) Trojan.Winlock.6049 (Dr.Web) Trojan-Dropper.Win32.Dapato (Ikarus) Trojan-Ransom.Win32.Gimemo.attq (Kaspersky)
Windows Defender 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.
See the Technical information tab for examples of the lock screen.
Typically, this threat gets on your PC when you visit a hacked webpage.
You can read more about this type on malware on our ransomware page.