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MB3 is blocking FF - Protection Against OS Security Bypass

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Dear all,

since a few days the MB is blocking an shutting down FF after a few seconds, sometimes minutes.  I didn't found any trigger event for this.
What did i changed: I updated FF to 57.x.x. after this, the problem apears. Today i updated to 58.0.1, the problem still persists.

My Plugins:
HTTPS Everywhere
SCDL SoundCloud Downloader (disabled)
uBlock Origin
NoScript (disabled)
Video DownloadHelper (disabled)

These are the "Exploit Data" from MB3:
Betroffene Anwendung: Mozilla Firefox (and add-ons)
Schutzebene: Protection Against OS Security Bypass
Schutzverfahren: Exploit ROP gadget attack blocked

I already did the following:
FRST Scan - Addition.txt & FRST.txt
mb-check  -  mb-check-results.zip
Junkware Removal Tool - JRT.txt
AdwCleaner - AdwCleaner[C0].txt & AdwCleaner[S0].txt
Sophos Free Virus Removal Tool - is running atm

Please see the attachement.

The problem still persists.

I hope someone can help me with this behaviour.
Have a nice day







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6 minutes ago, gUi said:

Hi Porthos,

thank you for your quick reply!
That changed the behaviour. Guess there never was a problem..

What do you think about just deactivate the Checkbox for Browsers?


Hi @gUi. What @Porthos posted shows you the default values for the current version of Malwarebytes. I would recommend leaving them at these default values for the best balance of protection and functionality.

Edited by AlexSmith
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