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Microsoft Security Intelligence
Published Aug 26, 2009 | Updated Sep 15, 2017

VirTool:Win32/Obfuscator.XZ

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

Windows Defender detects and removes this threat.

This threat has its purpose obfuscated, or hidden.

It uses a combination of methods including encryption, compression, anti-debugging and anti-emulation techniques to hide its true purpose.

Malware can be obfuscated with a tool that uses a hacked license. This means non-malicious programs that use the hacked license can also be detected. If this happens you should contact support at the company that provides the non-malicious program and ask for a version that doesn't use the hacked license.

Find out ways that malware can get on your PC.

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.

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.

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