On a Win ME machine with Spybot 1.3 it is detecting ABetterInternet for two autorun settings in HKLM\SOFTWARE\Microsoft\Windows\Currentversion\Run\
ICSDCLT: C:\windows\rundll32.exe c:\windows\system\ICSDCLT.DLL,ICSClient
which is Microsoft Internet Connection Sharing Client
QuickTime Task: "C:\windows\system\qttask.exe" -atboottime
which is from Apple's Quick Time