Veja Como desativar seletivamente recursos específicos do Autorun na página Microsoft KB967715 .
To selectively disable specific Autorun features, you must change the NoDriveTypeAutoRun entry in one of the following registry key subkeys:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\ HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\
The following table shows the settings for the NoDriveTypeAutoRun registry entry.
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Value Meaning 0x1 or 0x80 Disables AutoRun on drives of unknown type 0x4 Disables AutoRun on removable drives 0x8 Disables AutoRun on fixed drives 0x10 Disables AutoRun on network drives 0x20 Disables AutoRun on CD-ROM drives 0x40 Disables AutoRun on RAM disks 0xFF Disables AutoRun on all kinds of drives
The value of the NoDriveTypeAutoRun registry entry determines which drive or drives the Autorun functionality will be disabled for.