PUM.Optional.NoViewOnDrive is Malwarebytes’ detection name for potentially unwanted modifications (PUMs) in the Windows registry where all drives are hidden from the user. Such changes could be made by malware to hinder users from removing it.
The following registry value data are modified:
Malwarebytes can modify these registry value data back to their Windows default settings without user interaction.
Also, we advise users to do a full system scan as PUM.Optional.NoViewOnDrive could have been added to the system by malware or a PUP.
When a Potentially Unwanted Modification (PUM) is detected on your computer, Malwarebytes for Windows does not know whether it was authorized. Optimization software, malware, and Potentially Unwanted Programs (PUPs) are known to make these types of changes, hence they are regarded as potentially unwanted by design.
To have Malwarebytes for Windows ignore a PUM, you must add the PUM to the Allow list. Here’s how to do it.