偶电脑的网络连接以前都很正常  最近刚换了主版了CPU 重装了系统`~~问题就来    网络经常会连接不了  网页开到一半就停了下来  在没有启动任何程序的情况下CPU使用率一直在0~18直接跳 每秒跳一次  还有内存使用都很高  麻烦请各位大侠帮忙看看 是不是有病毒  或怎么样能关掉几个没用的进程  小弟先谢过各位！！

Logfile of HijackThis v1.99.0
Scan saved at 12:48:57, on 2005-10-23
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\PROGRAM FILES\RISING\RAV\Ravmond.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRAM FILES\RISING\RAV\RavStub.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Rising\Rfw\rfwmain.exe
C:\PROGRA~1\RISING\RAV\RAVTIMER.EXE
C:\PROGRA~1\RISING\RAV\RAVMON.EXE
C:\WINDOWS\VM_STI.EXE
D:\Program Files\Ringz Studio\Storm Downloader\StormDownloader.exe
C:\WINDOWS\system32\ctfmon.exe
C:\NVIDIA\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe
C:\NVIDIA\NetworkAccessManager\bin\nSvcIp.exe
C:\NVIDIA\NetworkAccessManager\bin\nSvcLog.exe
C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
C:\WINDOWS\system32\svchost.exe
C:\NVIDIA\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
E:\迅雷下载\freestyle30sec\HijackThis.exe

O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\system32\xunleibho_v4.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKLM\..\Run: [RavTimer] C:\PROGRA~1\RISING\RAV\RAVTIMER.EXE
O4 - HKLM\..\Run: [RavMon] C:\PROGRA~1\RISING\RAV\RAVMON.EXE -SYSTEM
O4 - HKLM\..\Run: [BigDogPath] C:\WINDOWS\VM_STI.EXE USB PC Camera 301P
O4 - HKLM\..\Run: [MINI_BFYY] D:\Program Files\Ringz Studio\Storm Downloader\StormDownloader.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O8 - Extra context menu item: &使用暴风下载器下载 - D:\Program Files\Ringz Studio\Storm Downloader\geturl.htm
O8 - Extra context menu item: &使用迅雷下载 - d:\Program Files\Thunder Network\Thunder\geturl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - d:\Program Files\Thunder Network\Thunder\getallurl.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\Program Files\Tencent\qq\AddToNetDisk.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - D:\Program Files\Tencent\qq\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - D:\Program Files\Tencent\qq\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\Program Files\Tencent\qq\SendMMS.htm
O9 - Extra button: 易趣购物 - {DE607145-AC19-425e-867A-7D70ABDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=5 (file missing)
O9 - Extra 'Tools' menuitem: 易趣购物 - {DE607145-AC19-425e-867A-7D70ABDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=5 (file missing)
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O23 - Service: Forceware Web Interface - Apache Software Foundation - C:\NVIDIA\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe
O23 - Service: ForceWare IP service - Unknown - C:\NVIDIA\NetworkAccessManager\bin\nSvcIp.exe
O23 - Service: ForceWare user log service - Unknown - C:\NVIDIA\NetworkAccessManager\bin\nSvcLog.exe
O23 - Service: NVIDIA Display Driver Service - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Rising Personal Firewall Service - Beijing Rising Technology Corporation Limited - c:\program files\rising\rfw\rfwsrv.exe
O23 - Service: Rising Process Communication Center - rising - C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
O23 - Service: RsRavMon Service - Beijing Rising Technology Co., Ltd. - C:\PROGRAM FILES\RISING\RAV\Ravmond.exe