(TargetObject:Control\ Panel\\Desktop* OR TargetObject:CurrentVersion\\Policies\\ActiveDesktop* OR TargetObject:CurrentVersion\\Policies\\System*) ((TargetObject:NoChangingWallpaper Details:DWORD\ \(0x00000001\)) OR TargetObject:\\Wallpaper OR (TargetObject:\\WallpaperStyle Details:2)) (-(Image:\\svchost.exe OR (TargetObject:\\Control\ Panel\\Desktop\\Wallpaper Details:\(Empty\)) OR Image:C\:\\Windows\\Explorer.EXE)) (-((Image:C\:\\Program\ Files\\Amazon\\EC2Launch\\EC2Launch.exe OR Image:C\:\\Program\ Files\ \(x86\)\\Amazon\\EC2Launch\\EC2Launch.exe) TargetObject:\\Control\ Panel\\Desktop\\Wallpaper))