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JS/TechBrolo

First posted on 17 February 2017.
Source: Microsoft

Aliases :

There are no other names known for JS/TechBrolo.

Explanation :

This JavaScript malware 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.

This threat may perform any of the following:

• Display a message that claims your computer is infected with malware or have system errors, and that asks you to call a technical support number
• Play an audio message
• Display continuous pop-up messages, which can prevent you from closing the browser
• Display a pop-up message when you close the browser
• Put the browser to full screen

The following are screenshots of this threat as displayed by the browser:





Analysis by Jonathan San Jose

Last update 17 February 2017

 

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