PUM.Optional.MisplacedCertificate is Malwarebytes detection name for a potentially unwanted modification that puts the Malwarebytes certificate in the Disallowed category. This disables users from using signed Malwarebytes programs.
The following registry key was added:
Malwarebytes can modify this registry value data back to its Windows default setting without user interaction.
To have Malwarebytes for Windows ignore a PUM, you must add the PUM as an exclusion.
When a PUM is excluded, Malwarebytes for Windows does not detect the PUM during scans or Real-Time Protection.