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Published Oct 26, 2014 | Updated Sep 15, 2017

Ransom:JS/Brolo

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

Microsoft security software detects and removes this family of threats.

This ransomware family can lock your web browser by showing you a message that asks you to pay a fine. The message can pretend to be from a law enforcement agency and tells you to pay money to unlock your browser.

They can also stop you from closing your web browser, using the address bar, or pressing any shortcut keys.

You can be infected with this threat when you visit or are redirected to a malicious website.

 

 

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.

Close your browser with Task Manager

You can regain control of your web browser by closing it using the Task Manager.

When you reopen your browser, make sure you don't click 'restore previous session'.  

Enable MAPS 

Enable the Microsoft Active Protection Service (MAPS) on your system to protect your enterprise software security infrastructure in the cloud.

  1. Check if MAPS is enabled in your Microsoft security product:

    1. Select Settings and then select MAPS.

    2. Select Advanced membership, then click Save changes. With the MAPS option enabled, your Microsoft anti-malware security product can take full advantage of Microsoft's cloud protection service. 

  2. Join the Microsoft Active Protection Service Community.  
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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