PUM.Optional.DisableMCProperties

Short Bio

This is the detection for a potentially unwanted modification (PUM) on the registry that prevents the user from accessing System Properties via My Computer as well as via Control Panel.

System Modifications

The following registry value data are modified:

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

From:
NoPropertiesMyComputer=0

To:
NoPropertiesMyComputer=1

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

From:
NoPropertiesMyComputer=0

To:
NoPropertiesMyComputer=1

Remediation

Malwarebytes can set this value to 0, which restores the access without further user interaction.

Also, we advise users to do a full system scan as PUM.Optional.DisableMCProperties could have been added to the system by malware or PUP.

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