Published Apr 28, 2015 | Updated Sep 15, 2017

Ransom:Win32/Threatfin

Detected with Windows Defender Antivirus

Aliases: No associated aliases

Summary

Windows Defender detects and removes this threat.

This threat shows a full-screen message preventing you from accessing your desktop. The message tells you to pay a ransom to regain access to your PC. This type of threat is called ransomware.

It can be installed by other malware, such as Backdoor:Win32/Bedep.

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

Find out ways that malware can get on your PC.  

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

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.

Get more help

You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

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