我现在的电脑是上一会网就打不开网页了，重启后就又对了，但是还是上不了好久又出现这个情况了，请问这是什么原因，我用最新的瑞星杀毒没有毒啊！各位大哥大姐帮我看下日志又没有问题！谢谢了
Logfile of HijackThis v1.99.1
Scan saved at 15:18:36, on 2006-8-18
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Rising\Rav\Ravmond.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Rising\Rav\RavStub.exe
c:\program files\rising\rfw\RfwMain.exe
C:\Program Files\Rising\Rav\RavTask.exe
C:\Program Files\Rising\Rav\Ravmon.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Documents and Settings\Administrator\「开始」菜单\程序\启动\Antiarp.exe
C:\WINDOWS\system32\conime.exe
D:\Program Files\Maxthon\Maxthon.exe
D:\TDdownload\426101200522225654\HijackThis.exe

R3 - Default URLSearchHook is missing
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - D:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - D:\Program Files\Thunder Network\Thunder\ComDlls\XunLeiBHO_002.dll
O3 - Toolbar: 卡卡上网安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\WINDOWS\system32\kakatool.dll
O4 - HKLM\..\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKLM\..\Run: [IMSCMig] C:\PROGRA~1\COMMON~1\MICROS~1\IME\IMSC40A\IMSCMIG.EXE /Preload
O4 - HKLM\..\RunOnce: [RavStub] "C:\Program Files\Rising\Rav\ravstub.exe" /RUNONCE
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Startup: Antiarp.exe
O4 - Startup: Config.ini
O8 - Extra context menu item: &使用迅雷下载 - D:\Program Files\Thunder Network\Thunder\Program\GetUrl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - D:\Program Files\Thunder Network\Thunder\Program\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: 导出到 Microsoft Office Excel(&X) - res://D:\PROGRA~1\MICROS~1\OFFICE11\EXCEL.EXE/3000
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: 信息检索 - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - D:\PROGRA~1\MICROS~1\OFFICE11\REFIEBAR.DLL
O17 - HKLM\System\CCS\Services\Tcpip\..\{A7B80070-2210-41FE-BB0E-E1292ADFC019}: NameServer = 218.246.195.5,218.246.200.6
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Rising Proxy  Service (RfwProxySrv) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwproxy.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:\Program Files\Rising\Rav\Ravmond.exe