O23 - Service: Ati HotKey Poller (Ati HotKey Poller) - ATI Technologies Inc. - C:\WINDOWS\system32\ati2evxx.exe
O23 - Service: ATI Smart (ATI Smart) -  - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Human Interface Device Access (HidServ) -  - C:\WINDOWS\system32\svchost.exe -k netsvcs
O23 - Service: Net Logoing (Net Logoing) -  - C:\WINDOWS\HTTP.exe
O23 - Service: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwsrv.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - "C:\Program Files\Rising\Rav\CCenter.exe"
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd.

C:\WINDOWS\HTTP.exe
这个是不是木马？

貌似灰鸽子。
看看这个吧：http://forum.ikaka.com/topic.asp?board=28&artid=7713905