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Microsoft Security Intelligence
Published Jul 06, 2014 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: No associated aliases


Windows Defender detects and removes this threat.

This threat can lock your PC and stop you from accessing your files. It shows you a "lock screen" that asks to pay money or provide your sensitive information to get access to your PC again.

It can be installed on your PC when you visit a malicious or hacked website, or when you click on a malicious link in a spam email.

You can read more about this type of threat on our ransomware page.


There is no one-size-fits-all response if you have been victimized by ransomware. There is no guarantee that paying the ransom will give you access to your files.

If you've already paid, see our ransomware page for help on what to do now.

Run antivirus or antimalware software

The following free Microsoft software detects and removes this threat:

Even if we've already detected and removed this particular threat, running a full scan might find other malware that is hiding on your PC.

Advanced troubleshooting

To restore your PC, you might need to download and run Windows Defender Offline. See our advanced troubleshooting page for more help.

You can also ask for help from other PC users at the Microsoft virus and malware community.

If you’re using Windows XP, see our Windows XP end of support page.

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