supprimes ces lignes :
C:\Users\so\Program Files\DNA\btdna.exe
C:\Users\so\AppData\Roaming\Microsoft\Live Search\Notification-LiveSearch.exe
C:\Users\so\AppData\Roaming\Microsoft\Live Search\Mise-a-jour-LiveSearch.exe
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O4 - HKLM\..\RunOnce: [Launcher] %WINDIR%\SMINST\launcher.exe
O4 - HKCU\..\Run: [BitTorrent DNA] "C:\Users\so\Program Files\DNA\btdna.exe"
O4 - HKCU\..\Run: [Comrade.exe] C:\Program Files\GameSpy\Comrade\Comrade.exe
O4 - Startup: Outil de notification Live Search.lnk = C:\Users\so\AppData\Roaming\Microsoft\Live Search\Notification-LiveSearch.exe
si tu veux quelque chose de plus approfondie, attends kira.