Ransom:Win32/Adslock.A
Windows Defender detects and removes this threat.
This threat stops you from loading Windows and displays a full-screen message, commonly called a "lock screen". If this threat asks you to pay a fee or fine, do not pay it. The message is a fraud.
It tries to scare you into paying a fine to unlock your PC.
Windows 10 protects you from ransomware. Read more:
Windows 10 Creators Update provides next-gen ransomware protection
You can read more about this type of threat on our ransomware page.
Ransom:Win32/Reveton.A
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.
Ransom:Win32/Reveton.C
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.
Ransom:Win32/Reveton.B
Ransom:Win32/Weelsof.A
Windows Defender detects and removes this threat.
Ransom:Win32/Weelsof.A is a ransomware threat that locks your screen and asks you to pay a "fine" to regain access.
Some images of what this webpage looks like are available in the Win32/Weelsof description.
More information about ransomware is available in our ransomware page.
Ransom:Win32/Weelsof.C
Trojan:Win32/Weelsof.C is a trojan that connects to certain servers to download arbitrary files.