ADWCleaner reports these keys, but going to check the registry seems refer to Xvid and DivX, is can excluded them from future scans?
HKLM\SOFTWARE\Classes\CLSID\{00000001-4FEF-40D3-B3FA-E0531B897F98}
HKLM\SOFTWARE\Classes\CLSID\{1ADD57B8-A7A9-4518-B9B5-862590FF9EB4}
HKLM\SOFTWARE\Classes\CLSID\{64697678-0000-0010-8000-00AA00389B71}
HKLM\SOFTWARE\Classes\CLSID\{78766964-0000-0010-8000-00AA00389B71}
HKLM\SOFTWARE\Classes\CLSID\{00000001-4FEF-40D3-B3FA-E0531B897F98}
HKLM\SOFTWARE\Classes\CLSID\{64697678-0000-0010-8000-00AA00389B71}