最近我发现电脑上网速度比原来慢了许多，请帮我看看是不是有问题

HijackThis_815汉化版扫描日志 V1.99.1
保存于      21:52:07, 日期 2005-11-13
操作系统：  Windows XP SP2 (WinNT 5.01.2600)
浏览器：    Internet Explorer v6.00 SP2 (6.00.2900.2180)

当前运行的进程：         
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\Rfw\rfwsrv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\RISING\RAV\RAVMON.EXE
C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\PROGRA~1\RISING\RAV\RAVTIMER.EXE
C:\Program Files\Rising\Rfw\RfwMain.exe
C:\Program Files\Herosoft\Hero 9\SysExplr.EXE
C:\Program Files\CNNIC\Cdn\cdnup.exe
C:\WINDOWS\system32\ctfmon.exe
C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
C:\PROGRAM FILES\RISING\RAV\Ravmond.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\UPHClean\uphclean.exe
C:\PROGRAM FILES\RISING\RAV\RavStub.exe
C:\WINDOWS\system32\conime.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\ntvdm.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\flashget\flashget.exe
C:\Program Files\HijackThis1991汉化版\HijackThis1991zww.exe

R3 - URLSearchHook: (no name) - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
F2 - REG:system.ini: UserInit=userinit.exe,
O2 - BHO: CNNIC_IDN - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll
O2 - BHO: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yasbar.dll
O2 - BHO: VnetCookie Class - {4E83D567-4697-4F7B-B1F0-A513B01DB89A} - c:\PROGRA~1\chinanet\VNETTR~1.DLL
O2 - BHO: DragSearch - {62EED7C6-9F02-42f9-B634-98E2899E147B} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\ydragsearch.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll
O2 - BHO: IeCatch2 Class - {A5366673-E8CA-11D3-9CD9-0090271D075B} - C:\PROGRA~1\flashget\jccatch.dll
O2 - BHO: (no name) - {A9930D97-9CF0-42A0-A10D-4F28836579D5} - C:\PROGRA~1\KuGoo3\KUGOO3~1.OCX
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\zh-cn\msntb.dll
O2 - BHO: NTIECatcher Class - {C56CB6B0-0D96-11D6-8C65-B2868B609932} - C:\Program Files\Xi\NetTransport 2\NTIEHelper.dll
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - (no file)
O2 - BHO: WMHlprObj Class - {F5824EFB-728A-4726-A5A5-85A68B20EDC3} - C:\PROGRA~1\CNNIC\Cdn\wmhlpr.dll
O3 - IE工具栏增项: BitCometBar - {3F1ABCDB-A875-46c1-8345-B72A4567E486} - C:\Program Files\BitComet\BitCometBar\BitCometBar0.2.dll
O3 - IE工具栏增项: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yasbar.dll
O3 - IE工具栏增项: (no name) - {F60C7D81-8471-4D40-AAFE-56D318F34C2D} - (no file)
O3 - IE工具栏增项: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\zh-cn\msntb.dll
O4 - 启动项HKLM\\Run: [RavMon] C:\PROGRA~1\RISING\RAV\RAVMON.EXE -SYSTEM
O4 - 启动项HKLM\\Run: [yassistse] "C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe"
O4 - 启动项HKLM\\Run: [SoundMan] SOUNDMAN.EXE
O4 - 启动项HKLM\\Run: [sysupate] C:\WINDOWS\system32\NtSysUpdate.exe
O4 - 启动项HKLM\\Run: [WinVNC] "c:\winsock\winvnc\winvnc.exe" -servicehelper
O4 - 启动项HKLM\\Run: [pswmonitor] d:\lyj\pswmonitor\pswmonitor.exe
O4 - 启动项HKLM\\Run: [Update] C:\Program Files\Common Files\Upd\Update.exe
O4 - 启动项HKLM\\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - 启动项HKLM\\Run: [RavTimer] C:\PROGRA~1\RISING\RAV\RAVTIMER.EXE
O4 - 启动项HKLM\\Run: [SyGateManager] C:\Program Files\SyGate\SHN\Sygate.exe
O4 - 启动项HKLM\\Run: [SysExplr] C:\Program Files\Herosoft\Hero 9\SysExplr.EXE
O4 - 启动项HKLM\\Run: [CdnCtr] C:\Program Files\CNNIC\Cdn\cdnup.exe
O4 - 启动项HKLM\\Run: [KuGoo3] C:\PROGRA~1\KUGOO3\KUGOO.EXE
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: [KuGoo3] "C:\PROGRA~1\KUGOO3\KUGOO.EXE"
O4 - Startup: 新浪UC.lnk = C:\Program Files\sina\UC\uc.exe
O8 - IE右键菜单中的新增项目: &使用迅雷下载 - J:\迅雷4\geturl.htm
O8 - IE右键菜单中的新增项目: 使用KuGoo3下载(&K) - C:\Program Files\KuGoo3\KuGoo3DownX.htm
O8 - IE右键菜单中的新增项目: 使用影音传送带下载 - C:\Program Files\Xi\NetTransport 2\NTAddLink.html
O8 - IE右键菜单中的新增项目: 使用网际快车下载 - C:\Program Files\flashget\jc_link.htm
O8 - IE右键菜单中的新增项目: 使用网际快车下载全部链接 - C:\Program Files\flashget\jc_all.htm
O8 - IE右键菜单中的新增项目: 使用超级解霸播放 - C:\Program Files\Herosoft\Hero 9\MPURLGET.HTM
O8 - IE右键菜单中的新增项目: 导出到 Microsoft Office Excel(&X) - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - IE右键菜单中的新增项目: 访问通用网址 - C:\Program Files\CNNIC\Cdn\cnnic.htm
O9 - 浏览器额外的按钮: 中文上网 - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll
O9 - 浏览器额外的“工具”菜单项: 中文上网 - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll
O9 - 浏览器额外的按钮: 豪杰超级解霸9 - {367E0A21-8601-4986-9C9A-153BF5ACA118} - C:\Program Files\Herosoft\Hero 9\STHSDVD.EXE
O9 - 浏览器额外的“工具”菜单项: 豪杰超级解霸9 - {367E0A21-8601-4986-9C9A-153BF5ACA118} - C:\Program Files\Herosoft\Hero 9\STHSDVD.EXE
O9 - 浏览器额外的按钮: 常用网址 - {36B39F01-7B48-44AD-A165-5849CD8EF562} - C:\WINDOWS\system32\SHDOCVW.DLL
O9 - 浏览器额外的按钮: Yahoo 1G电邮 - {507F9113-CD77-4866-BA92-0E86DA3D0B97} - http://cn.mail.yahoo.com/promo/rd1 (file missing)
O9 - 浏览器额外的按钮: 寻宝乐趣多 - {59BC54A2-56B3-44a0-93E5-432D58746E26} - http://cn.rd.yahoo.com/auct/promo/3721/200509/ielogo-homepage/*http://cn.auctions.yahoo.com/?refcode=3721200509ielogo-homepage (file missing)
O9 - 浏览器额外的按钮: 雅虎助手 - {5D73EE86-05F1-49ed-B850-E423120EC338} - http://cn.zs.yahoo.com/?source=Cns (file missing)
O9 - 浏览器额外的按钮: 情景聊天 - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - http://cn.rd.yahoo.com/home/messenger/bjk/clientbtn/?http://cn.messenger.yahoo.com/ (file missing)
O9 - 浏览器额外的按钮: (no name) - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://assistant.3721.com/security1.htm?fb=Cns (file missing)
O9 - 浏览器额外的“工具”菜单项: 修复浏览器 - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://assistant.3721.com/security1.htm?fb=Cns (file missing)
O9 - 浏览器额外的按钮: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - 浏览器额外的“工具”菜单项: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - 浏览器额外的按钮: (no name) - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O9 - 浏览器额外的“工具”菜单项: 清理上网记录 - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O10 - 未知的文件在 Winsock LSP: c:\windows\system32\cdnns.dll
O11 - Options group: [!CNS]  上网助手-地址栏搜索
O11 - Options group: [CDNCLIENT]  中文上网
O16 - DPF: {87CCFDB0-C4BE-4BC2-A78C-9EAA7CF96667} (pcastup Class) - http://pcaststatic.mop.com/dn/files/vodupdate_1.0.0.8_20051009.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{91D7CBD6-3D10-4DCA-A035-6CCF7E99DDC7}: NameServer = 202.98.198.168,202.98.192.68
O17 - HKLM\System\CCS\Services\Tcpip\..\{DACF6D9D-4137-45EC-873D-E812F4F507DF}: NameServer = 202.98.198.168,202.98.192.68
O18 - 列举现有的协议: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - Winlogon Notify: PCANotify - C:\WINDOWS\SYSTEM32\PCANotify.dll
O23 - NT 服务: pcAnywhere Host Service (awhost32) - Symantec Corporation - C:\Program Files\Symantec\pcAnywhere\awhost32.exe
O23 - NT 服务: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Corporation Limited - C:\Program Files\Rising\Rfw\rfwsrv.exe
O23 - NT 服务: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - Unknown owner - %ProgramFiles%\WinPcap\rpcapd.exe" -d -f "%ProgramFiles%\WinPcap\rpcapd.ini (file missing)
O23 - NT 服务: Rising Process Communication Center (RsCCenter) - rising - C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
O23 - NT 服务: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\PROGRAM FILES\RISING\RAV\Ravmond.exe
O23 - NT 服务: VNC Server (winvnc) - Unknown owner - c:\winsock\winvnc\winvnc.exe" -service (file missing)

【回复“laoji”的帖子】
O4 - 启动项HKLM\\Run: [sysupate] C:\WINDOWS\system32\NtSysUpdate.exe
O4 - 启动项HKLM\\Run: [WinVNC] "c:\winsock\winvnc\winvnc.exe" -servicehelper
O4 - 启动项HKLM\\Run: [pswmonitor] d:\lyj\pswmonitor\pswmonitor.exe
O4 - 启动项HKLM\\Run: [Update] C:\Program Files\Common Files\Upd\Update.exe

引用:

【baohe的贴子】【回复“laoji”的帖子】 O4 - 启动项HKLM\\Run: [sysupate] C:\WINDOWS\system32\NtSysUpdate.exe O4 - 启动项HKLM\\Run: [WinVNC] "c:\winsock\winvnc\winvnc.exe" -servicehelper O4 - 启动项HKLM\\Run: [pswmonitor] d:\lyj\pswmonitor\pswmonitor.exe O4 - 启动项HKLM\\Run: [Update] C:\Program Files\Common Files\Upd\Update.exe ...........................

请问版主：这4项代表的是什么意思呢？是不正常的吗？我应该怎么做？
谢谢版主

请用hijackthis修复,删除相关文件.