Published Apr 27, 2016 | Updated Sep 15, 2017

Ransom:Win32/ZCryptor.A

Severe |Detected with Windows Defender Antivirus

Aliases: No associated aliases

Summary

Windows Defender  detects and removes this threat.

This ransomware can stop you from using your PC or accessing your data. It  is distributed through the spam email infection vector. It also gets installed in your machine through other macro malware, or fake installers (Flash Player setup).

Windows 10 protects you from ransomware. Read more:

Windows 10 Creators Update provides next-gen ransomware protection

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

Microsoft doesn’t recommend you pay the fine. 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.

Even the removable drives that you were using during the ransomware attack are infected, and should be cleaned before using them again.

Run antivirus or antimalware software

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find hidden malware.

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.

Use cloud protection

The Microsoft Active Protection Service (MAPS) uses cloud protection to help guard against the latest malware threats. It’s turned on by default for Microsoft Security Essentials and Windows Defender for Windows 10. 

Learn how you can prevent and mitigate ransomware attacks.