AuxUserType
Specifies an application's short display name and application names.
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
{CLSID}
AuxUserType
2 = ShortDisplayName
3 = ApplicationName
The recommended maximum length for ShortDisplayName is 15 characters. This name is used in menus, including pop-up menus.
ApplicationName should contain the actual name of the application (such as "Acme Draw 2.0"). This name is used in the Results field of the Paste Special dialog box.