Windows Defender Antivirus detects and removes this threat.

If this threat asks you to pay a fee or fine, do not pay it. The message is a fraud.

This family of ransomware locks your PC and displays a full-screen message (commonly called a "lock screen").

It pretends to be from 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 onto your PC from a drive-by download attack. It might also have installed itself on your PC if you visit a compromised webpage.

You can read more on our ransomware page.

This threat is a trojan that prevents you from accessing your desktop. It displays a message screen stating that you need to send payment to a certain prepaid mobile account to unlock the desktop.

This threat is a malicious program that is unable to spread of its own accord. It may perform a number of actions of an attacker's choice on an affected computer.

This threat is a malicious program that is unable to spread of its own accord. It may perform a number of actions of an attacker's choice on an affected computer.