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Microsoft Security Intelligence
Published Feb 01, 2017 | Updated Nov 20, 2017


Detected by Microsoft Defender Antivirus

Aliases: No associated aliases


Microsoft Defender Antivirus detects and removes this threat.

This threat is a member of the JS/TechBrolo family. It is JavaScript malware that is hosted on malicious sites. When you access these sites, this threat displays succeeding fake alerts that falsely imply you that your computer is infected by malware or has system errors. The fake alerts tell you that in order to fix the "problem", you need to call a technical support number. You may be charged by the technical support. 

Our tech support scams FAQ page has more information on this type of threat.

You can also read the following blog entries to know more about the latest tech support scam attacks, techniques, and trends:


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.