regedit
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects]
{06849E9F-C8D7-4D59-B87D-784B7D6BE0B3}アクロバットリーダー?
{53707962-6F74-2D53-2644-206D7942484F}Spybot?
{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}JAVA?
{CC59E0F9-7E43-44FA-9FAA-8377850BF205}Free Download Manager?