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hydr0

BSOD caused by mwac.sys

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Hello @hydr0

Sorry I might have missed that part, but can you please attach the mbst-grab-results.zip file along with the memory dump after your latest BSOD?

We can take a look at the logs and dump.

Thank you.

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Hello @paul95682

Can you please attach the mbst-grab-results.zip file along with the memory dump after your latest BSOD if you are able to reproduce the same.

We can take a look at the logs and dump.

Thank you.

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6 minutes ago, nikhils said:

Hello @hydr0

Sorry I might have missed that part, but can you please attach the mbst-grab-results.zip file along with the memory dump after your latest BSOD?

We can take a look at the logs and dump.

Thank you.

I have not had a bsod since dumping the chrome extension 🤷‍♂️ no idea why but I'm happy at the moment. 

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Just now, nikhils said:

That's good to hear @hydr0

Do let us know if you see anything out of the ordinary.

Thank you.

I absolutely will, thank you for the help and I wanna thank the community for their input as well. 

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10 hours ago, nikhils said:

That's good to hear @hydr0

Do let us know if you see anything out of the ordinary.

Thank you.

Ok, so I had it bsod again. Same MO as last time. mwac.sys 

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2 hours ago, hydr0 said:

Ok, so I had it bsod again. Same MO as last time. mwac.sys 

Time to turn off the Web protection until another fix is rolled out. I did not think the Chrome extension has anything to do it.  I would put it back on after you disable the web protection.

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4 minutes ago, paul95682 said:

And when Web Protection is ON I still get BSOD

Thanks for the logs. Now you have 2 choices until another "fix" is released.

1- Turn off Web protection

2- Revert to 3.8.3

You may wish to revert back to the 3.8.3 version while we continue to analyze what is causing this issue.

Use the support tool  to uninstall and after the restart click NO when it asks to install the current version.

The current KB articles will help you to set version 3.x from updating to 4.x for now

Constant upgrade notifications in Malwarebytes for Windows v3
https://support.malwarebytes.com/docs/DOC-2465

Turn off upgrade notifications in Malwarebytes for Windows v3
https://support.malwarebytes.com/docs/DOC-2142

MB3.x download link This is 3.8.3
https://downloads.malwarebytes.com/file/mb3-windows-legacy

 

@nikhils More logs for you.

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I havembst-grab-results.zipI uninstalled using tool, reboot, install using tool.  Verified I have correct version:

beta_3.jpg.1cad5270a472a7c74cb6355767a2b9d2.jpg

And when Web Protection is ON I still get BSOD.  Here are the logs and dmp:

 

Here is the memory.dmp

https://drive.google.com/open?id=1Eg0WZ6cQti_-buxFLD9DWrnSFLR-KgGC

I have Web Protection turned OFF, Thanks for all the work you guys are doing to fix this problem

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Hello @paul95682:

As a fix for the mbam.exe access violation issue, please consider updating your MB4's Component Package Version to 1.0.804 BETA:

https://forums.malwarebytes.com/topic/252170-a-new-malwarebytes-4-beta-is-now-available/?do=findComment&comment=1357781

Then, please update this topic and let the forum know your system's status.

Thank you.

Reference: General settings in Malwarebytes for Windows v4  ->  Beta updates

Edited by 1PW

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