Multiple Programs – AUHOOK.DLL
Auhook.dll will appear in your Windows\System or System32 folder. It installs with your Windows Me operating system. You may see it described as "Microsoft Autoupdate". This file is an undocumented autorun method, normally used by a few Windows system components such as Windows Update. This file is loaded by explorer on startup and is found in the ShellServiceObjectDelayLoad section of your registry.
Safe
Microsoft