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Alert level: Severe Detected with Windows Defender Antivirus
Also detected as: FBI virus (other) FBI moneypak (other) Lockscreen (other)
Windows Defender Antivirus detects and removes this threat.
This family of ransomware can lock your PC and show you 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.
These threats can be installed on your PC when you visit a hacked webpage. We have also seen them installed by other malware.
Our ransomware FAQ page has more information on this type of threat.
Read our latest comprehensive ransomware report: