PUM.Optional.NoViewOnDrive

Short Bio

This detection is for potentially unwanted modifications (PUMs) in the registry where all drives are hidden from the user. Such changes could be made by malware to hinder users from removing it.

System Modifications

The following registry value data are modified:

Under
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\
CurrentVersion\Policies\Explorer

From:
NoViewOnDrive=0

To:
NoViewOnDrive=67108863

Under
HKEY_CURRENT_USER\Software\Microsoft\Windows\
CurrentVersion\Policies\Explorer

From:
NoViewOnDrive=0

To:
NoViewOnDrive=67108863

Remediation

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.

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