请大家看一下日志，我不太懂，有没有病毒？如果有，希望能告诉我怎么杀
Logfile of HijackThis v1.99.1
Scan saved at 1:25:12, on 2006-8-16
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\csrss.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:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Thunder Network\Thunder\Thunder.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\system32\wdfmgr.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\system32\NOTEPAD.EXE
C:\WINDOWS\system32\cmd.exe
D:\Maxthon\Max.exe
D:\金山毒霸\HijackThis\HijackThis.exe
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\system32\xunleibho_v8.dll
O2 - BHO: CdnForIE Class - {5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} - C:\PROGRA~1\CNNIC\Cdn\cdnforie.dll (file missing)
O2 - BHO: ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - C:\Program Files\Thunder Network\Thunder\ComDlls\XunLeiBHO_002.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: is
Object Class - {BE0B5843-553A-48C2-9A42-258A1D791AFC} - C:\PROGRA~1\pcast\tbcast.dll (file missing)
O2 - BHO: AdSwpr - {FCADDC14-BD46-408A-9842-CDBE1C6D37EB} - C:\PROGRA~1\IE修复~1\IERBar.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: &IE修复专家 - {123249EB-F891-44C4-946F-450064F9080E} - C:\PROGRA~1\IE修复~1\IERBar.dll
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [SoundMan] ; SOUNDMAN.EXE
O4 - HKLM\..\Run: [SunJavaUpdateSched] ; C:\Program Files\Java\jre1.5.0\bin\jusched.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [SOUNDM] winsmd.exe
O4 - HKLM\..\Run: [Thunder] "C:\Program Files\Thunder Network\Thunder\Thunder.exe" /s
O4 - HKLM\..\Run: [CdnCtr] C:\Program Files\CNNIC\Cdn\cdnup.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Microsoft TAP] C:\WINDOWS\system32\AppEvent.exe
O8 - Extra context menu item: &使用迅雷下载 - C:\Program Files\Thunder Network\Thunder\Program\GetUrl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - C:\Program Files\Thunder Network\Thunder\Program\GetAllUrl.htm
O8 - Extra context menu item: Google 搜索(&G) - res://c:\program files\google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\Tencent\QQ2005\AddToNetDisk.htm
O8 - Extra context menu item: 反向链接 - res://c:\program files\google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: 添加到QQ自定义面板 - D:\Tencent\QQ2005\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - D:\Tencent\QQ2005\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\Tencent\QQ2005\SendMMS.htm
O8 - Extra context menu item: 类似网页 - res://c:\program files\google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: 缓存的网页快照 - res://c:\program files\google\GoogleToolbar1.dll/cmcache.html
O8 - Extra context menu item: 翻译英文字词(&T) - res://c:\program files\google\GoogleToolbar1.dll/cmwordtrans.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0\bin\npjpi150.dll
O9 - Extra 'Tools' menuitem: Sun Java 控制台 - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0\bin\npjpi150.dll
O9 - Extra button: 浩方对战平台 - {0A155D3C-68E2-4215-A47A-E800A446447A} - F:\浩方优化版\HFGameOPT\GameClient.exe
O9 - Extra button: 中文上网 - {5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} - C:\PROGRA~1\CNNIC\Cdn\cdnforie.dll (file missing)
O9 - Extra 'Tools' menuitem: 中文上网 - {5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} - C:\PROGRA~1\CNNIC\Cdn\cdnforie.dll (file missing)
O9 - Extra button: JUJU猫宽带宝藏论坛 - {6096E38F-5AC1-4391-8EC4-75DFA92FB32F} - http://www.jujumao.net (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
O10 - Broken Internet access because of LSP provider 'c:\windows\system32\cdnns.dll' missing
O11 - Options group: [CDNCLIENT] 中文上网
O14 - IERESET.INF: START_PAGE_URL=
about:blank
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.com/v5consumer/V5Controls/en/x86/client/wuweb_site.cab?1112018624531
O21 - SSODL: DLMon - {590498A3-4131-4D8F-BA4B-36791A0803B1} - C:\WINDOWS\system32\DLMain.dll
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: Net Working Service (LoginService) - Unknown owner - C:\WINDOWS\svchost.exe (file missing)
O23 - Service: ray_Pigeon_s (rayPigeon) - Unknown owner - C:\WINDOWS\fitrs.exe (file missing)
