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MB4 Offline Setup Suspicious Download

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https://downloads.malwarebytes.com/file/mb4_offline   >   redirects to   >



Firefox 74.0.1 / MBG 2.2.1

Edited by 1PW
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  • Root Admin

The VT link shows 0 infections.

Since you posted in the Malwarebytes Browser Guard section of the forums for Firefox I assume you're  using Firefox @1PW and that you're saying MBG blocked the full offline installer download?   I was not able to replicate this block.

Can you please provide more details or screenshots of what you're experiencing.

Thank you



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4 minutes ago, AdvancedSetup said:

I believe that @1PW may have an outdated MBG add-on

I've asked him to remove and reinstall it

This was not to be the case the case.  Prior to this topic, I had updated to FF 74.0.1.  Additionally, MBG 2.2.1 had been in use NLT 25-March-2020 because I truly follow MBG so closely.

As I have related, the FF 74.0.1 application has now been downloaded, SHA2 verified, and installed.  MBG 2.2.1 has been removed and reinstalled multiple times today.

Using the generic MB4 offline download, the MBG 2.2.1 suspicious download warning is now both predictable as well as repeatable.

The only unexplored variable is possibly the MacOS 10.15.4 (19E266) Catalina OS on a MacBookPro11,3 in use.  However, the downloaded extension is still the same.



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2 minutes ago, 1PW said:

The only unexplored variable is possibly the MacOS 10.15.4 (19E266) Catalina OS on a MacBookPro11,3 in use. 

That has to be it. The rest of us are using Windows.

Would have helped if you mentioned that in the first post.

Edited by Porthos
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1 hour ago, Porthos said:

That has to be it.

Hello @Porthos:

Without definitive proof, I am not quite ready to connect those dots just yet.  Since early beta testing, I have not remembered experiencing MacOS unique issues with MBG.

Perhaps a need exists for the QA folk to test MBG 2.2.1 in separate Linux and MacOS environments.  For the moment, this seems to be a staff/dev question.

What I do not want to forget is that the MBG extension is the same for all user platforms.


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  • 3 weeks later...

The above situation seems to have returned with current MacBook Pro versions:


redirects to 



Screen Shot 2020-04-28 at 22.45.40.png

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On 4/28/2020 at 11:20 PM, AdvancedSetup said:

Perhaps some way MBG is interacting with your Mac @1PW  ??

Hello Ron:

Yes.  I believe that probability is high.  MBG 2.2.2 seemed to resolve a similar issue earlier earlier this month.  I hope a MBG team member can parcel out some time to check again with their Mac.


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I am referring this one to the wizards, as it is likely a Mac-related one off that would need to be dealt with separately.  They will not see this until Friday day shift (Pacific time).

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