Trojan:Win32/Reveton.B 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.

Microsoft Defender Antivirus detects and removes this threat. 

The threat is a detection for shortcut files (LNK) created by variants of the Ransom:Win32/Reveton family of ransomware, which lock your computer and demand you pay a fine.

It's likely your PC has also been infected with other malware from the Ransom:Win32/Reveton family.

Our ransomware FAQ page has more information on this type of threat.

The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms so much more susceptible to ransomware attacks. From June to November 2017, Windows 7 devices were 3.4 times more likely to encounter ransomware compared to Windows 10 devices.

Read our latest report: A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017.

Microsoft Defender Antivirus detects and removes this threat. 

Ransom:Win32/Reveton.F is a member of the Reveton family of ransomware programs that targets users from certain countries. The threat locks your PC and displays a localized webpage that covers your desktop, and demands the payment of a fine for the supposed possession of illicit material.

Our ransomware FAQ page has more information on this type of threat.

The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms so much more susceptible to ransomware attacks. From June to November 2017, Windows 7 devices were 3.4 times more likely to encounter ransomware compared to Windows 10 devices.

Read our latest report: A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017.

Microsoft Defender Antivirus detects and removes this threat. 

It's a trojan that changes your Internet Explorer settings and connects to certain servers. It can also display a fake warning that pretends to be from a legitimate institution. The full-screen window covers all other windows, and prevents you from accessing your desktop. It demands that you pay a fine to regain access to your PC.

Our ransomware FAQ page has more information on this type of threat.

The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms so much more susceptible to ransomware attacks. From June to November 2017, Windows 7 devices were 3.4 times more likely to encounter ransomware compared to Windows 10 devices.

Read our latest report: A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017.

Microsoft Defender Antivirus detects and removes this threat. 

This threat locks your PC and displays a full-screen message, commonly called a "lock screen". If this threat asks you to pay a fee or fine, don't pay it. The message is a fraud.

It pretends to be from your local police force and tries to scare you into paying a fine to unlock your PC.

It's likely your PC has also been infected with other malware from the Win32/Reveton family.

Our ransomware FAQ page has more information on this type of threat.

The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms so much more susceptible to ransomware attacks. From June to November 2017, Windows 7 devices were 3.4 times more likely to encounter ransomware compared to Windows 10 devices.

Read our latest report: A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017.