请高手指点，谢谢！

Logfile of HijackThis v1.99.1
Scan saved at 13:43:29, on 2006-4-6
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\CCENTER.EXE
C:\Program Files\rising\Rfw\rfwsrv.exe
C:\Program Files\rising\Rav\Ravmond.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:\WINDOWS\AutoUp.exe
C:\Program Files\PCGDownloader\PCGDownloader.exe
C:\Program Files\rising\Rav\RavTask.exe
C:\Program Files\rising\Rav\Ravmon.exe
D:\PROGRA~1\Nokia\NOKIAP~1\LAUNCH~1.EXE
C:\WINDOWS\System32\ctfmon.exe
C:\WINDOWS\System32\rundll32.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\RunDLL32.exe
D:\Program Files\Nokia\Nokia PC Suite 6\PcSync2.exe
C:\PROGRA~1\COMMON~1\PCSuite\Services\SERVIC~1.EXE
C:\PROGRA~1\COMMON~1\Nokia\MPAPI\MPAPI3s.exe
C:\WINDOWS\System32\rundll32.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\WINDOWS\System32\conime.exe
C:\Program Files\rising\Rav\RsAgent.exe
C:\WINDOWS\msagent\AgentSvr.exe
F:\HijackThis.exe

R3 - URLSearchHook: assist - {1B0E7716-898E-48cc-9690-4E338E8DE1D3} - C:\PROGRA~1\3721\assist\assist.dll
R3 - URLSearchHook: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\assist\asbar.dll
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\System32\xunleibho_v5.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: i&Bar搜索引擎 - {2E7D3330-EB94-4518-B0FE-E05379A5C1DA} - C:\PROGRA~1\iBar\10002\iBar.dll
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - C:\PROGRA~1\Tencent\QQ\QQIEHelper.dll
O2 - BHO: MMSAssist - {6671A431-5C3D-463d-A7CF-5587F9B7E191} - (no file)
O2 - BHO: std software - {6A512BF7-EC78-4e8d-9841-6C02E8FA9838} - C:\WINDOWS\SYSTEM32\stdup.dll
O2 - BHO: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\assist\asbar.dll
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - C:\WINDOWS\DOWNLO~1\CnsHook.dll
O3 - Toolbar: 电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: (no name) - {6C3797D2-3FEF-4cd4-B654-D3AE55B4128C} - (no file)
O3 - Toolbar: (no name) - {F60C7D81-8471-4D40-AAFE-56D318F34C2D} - (no file)
O3 - Toolbar: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\assist\asbar.dll
O3 - Toolbar: i&Bar搜索引擎 - {2E7D3330-EB94-4518-B0FE-E05379A5C1DA} - C:\PROGRA~1\iBar\10002\iBar.dll
O4 - HKLM\..\Run: [MINI_PCGAMES] C:\Program Files\PCGDownloader\PCGDownloader.exe
O4 - HKLM\..\Run: [RavTask] "C:\Program Files\rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [PCSuiteTrayApplication] D:\PROGRA~1\Nokia\NOKIAP~1\LAUNCH~1.EXE -onlytray
O4 - HKLM\..\Run: [RavScanBD] "C:\Program Files\rising\Rav\ScanBD.exe" /INST
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [PcSync] D:\Program Files\Nokia\Nokia PC Suite 6\PcSync2.exe /NoDialog
O8 - Extra context menu item: &使用PCgames下载器下载 - C:\Program Files\PCGDownloader\geturl.htm
O8 - Extra context menu item: &使用迷你迅雷下载 - D:\THUNDE~1\geturl.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - C:\Program Files\Tencent\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - C:\Program Files\Tencent\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - C:\Program Files\Tencent\QQ\SendMMS.htm
O9 - Extra button: 常用网址 - {36B39F01-7B48-44AD-A165-5849CD8EF562} - C:\WINDOWS\System32\SHDOCVW.DLL
O9 - Extra button: 上网助手 - {5D73EE86-05F1-49ed-B850-E423120EC338} - http://assistant.3721.com/index.htm?fb=Cns (file missing)
O9 - Extra button: (no name) - {6671A433-5C3D-463d-A7CF-5587F9B7E191} - C:\WINDOWS\System32\shdocvw.dll
O9 - Extra 'Tools' menuitem: MMSAssist工具条设置 - {6671A433-5C3D-463d-A7CF-5587F9B7E191} - C:\WINDOWS\System32\shdocvw.dll
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra button: QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - C:\PROGRA~1\Tencent\QQ\QQ.EXE
O9 - Extra 'Tools' menuitem: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - C:\PROGRA~1\Tencent\QQ\QQ.EXE
O9 - Extra button: (no name) - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://assistant.3721.com/security1.htm?fb=Cns (file missing)
O9 - Extra 'Tools' menuitem: 修复浏览器 - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://assistant.3721.com/security1.htm?fb=Cns (file missing)
O9 - Extra button: (no name) - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O9 - Extra 'Tools' menuitem: 清理上网记录 - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O11 - Options group: [!CNS]  网络实名
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1130115499171
O16 - DPF: {65A2AF26-BF84-49FA-B0AA-BC57B7B656A5} (XINTVClientAuthX Control) - http://www.xintv.com/shcentell/xinhua/download/XINTVClientAuthX.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {D048E767-555B-11D3-9896-00104B08EBA4} (SoftMedia Control for MFeeder(R)) - http://202.96.115.26:8080/tools/SoftPlayer.cab
O16 - DPF: {F138084D-84D7-48CD-BEA8-04772457516E} (VqqSpeedDlProxy Class) - http://218.85.138.27/vqqsdl1009.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{01357485-CD4F-41B8-A807-B7674AA132F9}: NameServer = 220.187.24.6,220.187.24.2
O17 - HKLM\System\CS2\Services\Tcpip\..\{01357485-CD4F-41B8-A807-B7674AA132F9}: NameServer = 220.187.24.6,220.187.24.2
O17 - HKLM\System\CS3\Services\Tcpip\..\{01357485-CD4F-41B8-A807-B7674AA132F9}: NameServer = 220.187.24.6,220.187.24.2
O23 - Service: Macromedia Licensing Service - Unknown owner - C:\Program Files\Common Files\Macromedia Shared\Service\Macromedia Licensing.exe
O23 - Service: MSCSPTISRV - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\MSCSPTISRV.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: PACSPTISVR - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Corporation Limited - 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
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\SPTISRV.exe