Malicious tab opened and I couldn't close it

[GC77063]

While using surfing the web using Firefox a malicious tab opened that was playing an audio declaring my computer to be compromised and that it was uploading my banking records etc. and offering a phone number to call and such.  Killing the FF task in task manager was the only way to close Firefox, problem was that when I re-started Firefox the tab was still open doing it's thing.  The remedy was to disconnect my network cable from the router and then open Firefox...with the connection broken it offered to start a new session without opening the previous tabs. 

Isn't this the sort of thing Malwarebytes should stop?

[Malwarebytes]

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[pondus]

1 hour ago, GC77063 said:

Isn't this the sort of thing Malwarebytes should stop?

If the URL is on the block list 

If you have it, post it here  >>  https://forums.malwarebytes.com/forum/155-newest-ip-or-url-threats/

 

 

Quote

 Killing the FF task in task manager was the only way to close Firefox, problem was that when I re-started Firefox the tab was still open doing it's thing.  

You sometimes have to clear browser surf history/cache

 

[exile360]

You should give the new Malwarebytes for Firefox beta a try.  It's designed to block sites like this based on their behavior, meaning even new ones (which pop up all the time making them hard to track sadly as it's a very popular scam) which aren't contained in any block lists will still be blocked.  It also blocks phishing sites, a lot of ads as well as many tracking servers to help protect your privacy while you surf.  There's also a version available for Chrome if you use that browser (or any other browser based on the same Chromium source code).

The plugin works hand-in-hand with the Web Protection in Malwarebytes 3, extending its capabilities beyond what it's currently capable of.