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Microsoft Security Intelligence
Published Feb 19, 2015 | Updated Sep 15, 2017

Program:Win32/CompromisedCert.A

Detected by Microsoft Defender Antivirus

Aliases: SuperFish (other)

Summary

Windows Defender Antivirus detects and removes this threat.

This is a detection for a trusted root certificates for which the private key and password are publically known. 

Compromised certificates can make your PC vulnerable to spoofing, phishing and man-in-the-middle attacks. This can give a malicious hacker access to steal your user names, passwords, and confidential data.

Find out more about how and why we identify unwanted 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.

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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