PUM.Optional.NoRun

Short bio

This is the detection of potentially unwanted modifications (PUMs) on the registry that removes the Run command from the Windows Start Menu and the New Task (Run) command from the Task Manager.

System modification

The following registry value data are modified:

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

From:
NoRun=0

To:
NoRun=1

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

From:
NoRun=0

To:
NoRun=1

Remediation

Malwarebytes can modify these registry values data back to their Windows default settings without user interaction.

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

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