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Dropbox desktop app causes an "Event 3033" at every startup on my Windows computer
I see Microsoft Windows Event 3033 created at every startup of Dropbox version 224.4.4811.
Code Integrity determined that a process (\Device\HarddiskVolume4\Program Files (x86)\Dropbox\Client\Drop...
Hope you donât mind, if I jump in here, td47. I checked this with our team in the meantime, and they also confirmed that this is a third-party issue, and not one directly related to Dropbox.
What you can try instead is to download the Dropbox app via the Microsoft Store, as it shouldnât contain vulkan-1.dll.
Hello DBoxTipsâ thanks for your useful input.I have got this on Windows 11 24H2, and Windows 10 22H2 (Build 29045.5854).
I have been looking at the Certificate side of things, and it might be because the PP & PPL (Protected Processes) checking within the Code Integrity checks in the Windows OS process Loader.
Check out:
Forums.Malwarebytes.com topic 325667 (sorry cannot seem to publish the actual link)!
It looks like most stuff needs Authenticode and WQHL signing if they request low level (i.e. Kernel) access to other drivers.
I found out this is triggered by the Smart App Control feature of Windows 11. I am digging into the details of the event to see if I can find the reason why that file triggers this. What is weird is that all files in the Dropbox setup are signed with the same code signing (Authenticode) certificate, so if the certificate were the issue it would have triggered similar events with other files in the installation as well. I also double checked the signature of the vulkan_1.dll (using signtool) and it is correct, looks correctly signed.
I will follow-up here as my analysis continues.
Thanks,
Andrew (DBoxTips)
