Skip to main content
Skip to main content
Microsoft Security Intelligence
Published Oct 29, 2020 | Updated

Behavior:Win32/Ryuk.A

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

Microsoft Defender Antivirus detects this threat.

This generic detection for suspicious behaviors is designed to catch potentially malicious files. If you downloaded a file or received it through email, ensure that it is from a reliable source before opening it.

Find out ways that malware can get on your PC.

What to do now

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

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

Get more help

You can also see our advanced troubleshooting page for more help.

Follow us