我的主页被改成http://www.nb64.com/的一个网站,主页不能自己修改了,而且把开IE后不断的有一些莫名奇妙的网站弹出,怎么办?哪位朋友能告诉我解决的办法?

这是我扫描的日志,大家帮我看看怎么办?
Logfile of Kaka v2. 0. 0. 9 Scan Module v2. 0. 0. 1
Scan saved at 17:51:02, on 2006-08-23
Platform: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
MSIE: Internet Explorer v6.00 SP2; (6.00.2900.2180 (xpsp_sp2_rtm.040803-2158))


Running processes:
[EXPLORER.EXE]
CommandLine = C:\WINDOWS\Explorer.EXE

[RfwMain.exe]
CommandLine =  -StartUp

[SOUNDMAN.EXE]
CommandLine = "C:\WINDOWS\SOUNDMAN.EXE"

[rundll32.exe]
CommandLine = "C:\WINDOWS\system32\rundll32.exe" C:\PROGRA~1\3721\helper.dll,Rundll32

[rundll32.exe]
CommandLine = "C:\WINDOWS\system32\Rundll32.exe"  "C:\PROGRA~1\pcast\hbcast.dll",WaitWindows

[RavTask.exe]
CommandLine = "C:\PROGRAM FILES\RISING\新建文件夹\RAVTASK.EXE" -SYSTEM

[yassistse.exe]
CommandLine = "C:\Program Files\Yahoo!\Assistant\yassistse.exe"

[CTFMON.EXE]
CommandLine = "C:\WINDOWS\system32\ctfmon.exe"

[RavMon.exe]
CommandLine = "C:\Program Files\Rising\新建文件夹\Ravmon.exe" -SYSTEM

[RsAgent.exe]
CommandLine = "C:\Program Files\Rising\新建文件夹\RsAgent.exe"

[AgentSvr.exe]
CommandLine = C:\WINDOWS\msagent\AgentSvr.exe -Embedding

[iexplore.exe]
CommandLine = "C:\Program Files\Internet Explorer\iexplore.exe"  -nohome

[KkScan.exe]
CommandLine = "C:\Program Files\Rising\KakaToolBar\KkScan.exe"

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page=http://www.yahoo.com.cn
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page=http://www.nb46.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page=http://www.yahoo.com.cn
R3 - URLSearchHook: (no name) - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
O2 - BHO: Shockwave Flash Object - {14A21378-5BB1-4BC4-95D5-5D3F51527F6F} - C:\WINDOWS\system32\smflash.ocx
O2 - BHO: MyIEHelper Class - {16B770A0-0E87-4278-B748-2460D64A8386} -  (file missing)
O2 - BHO: C:\WINDOWS\system32\NBBHO.dll
O2 - BHO: isObject Class - {BE0B5843-553A-48C2-9A42-258A1D791AFC} - C:\PROGRA~1\pcast\hbcast.dll
O2 - BHO:  (file missing)
O3 - Toolbar: 卡卡上网安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\WINDOWS\system32\KakaTool.dll
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
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: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [helper.dll] C:\WINDOWS\system32\rundll32.exe C:\PROGRA~1\3721\helper.dll,Rundll32
O4 - HKLM\..\Run: [CnsMin] Rundll32.exe C:\WINDOWS\downlo~1\CnsMin.dll,Rundll32
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [RichMedia] C:\WINDOWS\system32\Rundll32.exe  "C:\PROGRA~1\pcast\hbcast.dll",WaitWindows
O4 - HKLM\..\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKLM\..\Run: [RavTask] "C:\Program Files\Rising\新建文件夹\RavTask.exe" -system
O4 - HKLM\..\Run: [yassistse] "C:\Program Files\Yahoo!\Assistant\yassistse.exe"
O4 - Startup: desktop.ini =
O4 - Startup: office文件检索.exe =
O4 - Global Startup: desktop.ini =
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: 添加到雅虎收藏+ - http://myweb.cn.yahoo.com/post.html?F=D2_A
O9 - Extra Button: Yahoo 1G电邮 - {507F9113-CD77-4866-BA92-0E86DA3D0B97} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=yahoomail (file missing)
O9 - Extra Button: 寻宝乐趣多 - {59BC54A2-56B3-44a0-93E5-432D58746E26} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=taobao (file missing)
O9 - Extra Button: 雅虎助手 - {5D73EE86-05F1-49ed-B850-E423120EC338} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=yassist (file missing)
O9 - Extra Button: @shdoclc.dll,-866 - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\system32\shdocvw.dll
O9 - Extra 'Tools' menuitem: @shdoclc.dll,-864 - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\system32\shdocvw.dll
O9 - Extra Button: 情景聊天 - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=yahoomsg (file missing)
O9 - Extra Button: (no name) - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=repair (file missing)
O9 - Extra 'Tools' menuitem: 修复浏览器 - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=repair (file missing)
O9 - Extra Button: (no name) - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=clean (file missing)
O9 - Extra 'Tools' menuitem: 清理上网记录 - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=clean (file missing)
O10 - Unknown file in Winsock LSP: C:\WINDOWS\system32\secur.dll
O10 - Unknown file in Winsock LSP: C:\WINDOWS\system32\secur.dll
O11 - Options group: [!CNS]  上网助手-地址栏搜索
O14 - IERESET.INF: START_PAGE_URL=http://www.microsoft.com/
O16 - DPF: _{73E4740C-08EB-4133-896B-8D0A7C9EE3CD} - https://mybank.icbc.com.cn/icbc/perbank/AXSafeControls.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{9FBAF5D2-2B99-47D1-9597-84C698347B73}: NameServer = 61.128.128.68 61.128.192.68
O18 - Protocol: about - {3050F406-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: cdl - {3dd53d40-7b8b-11D0-b013-00aa0059ce02} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: dvd - {12D51199-0DB5-46FE-A120-47A3D7D937CC} - C:\WINDOWS\system32\msvidctl.dll
O18 - Protocol: file - {79eac9e7-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: ftp - {79eac9e3-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: gopher - {79eac9e4-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: http - {79eac9e2-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: https - {79eac9e5-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: ipp - (no CLSID) - (no file)
O18 - Protocol: its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - C:\WINDOWS\system32\itss.dll
O18 - Protocol: javascript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: local - {79eac9e7-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: mailto - {3050f3DA-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: mhtml - {05300401-BCBC-11d0-85E3-00C04FD85AB4} - C:\WINDOWS\system32\inetcomm.dll
O18 - Protocol: mk - {79eac9e6-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: ms-its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - C:\WINDOWS\system32\itss.dll
O18 - Protocol: msdaipp - (no CLSID) - (no file)
O18 - Protocol: res - {3050F3BC-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: sysimage - {76E67A63-06E9-11D2-A840-006008059382} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: tv - {CBD30858-AF45-11D2-B6D6-00C04FBBDE6E} - C:\WINDOWS\system32\msvidctl.dll
O18 - Protocol: vbscript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: wia - {13F3EA8B-91D7-4F0A-AD76-D2853AC8BECE} - C:\WINDOWS\system32\wiascr.dll
O20 - Winlogon Notify: Installer
O23 - Service: AutoUpgrade (AutoUpgrade) -  - C:\WINDOWS\system32\svchost.exe -k autoupgrade
O23 - Service: Database information combine (DbooInfo) - 易易加速科技有限公司 - C:\WINDOWS\dbmsinfo.exe
O23 - Service: Human Interface Device Access (HidServ) -  - C:\WINDOWS\system32\svchost.exe -k netsvcs
O23 - Service: JMediaService (JMediaService) -  - C:\WINDOWS\system32\rundll32.exe c:\progra~1\mmsass~1\mmssver.dll,service
O23 - Service: Network Monitor (Network Monitor) -  - C:\Program Files\Network Monitor\netmon.exe service
O23 - Service: Volume Optimization (Popular) -  - C:\WINDOWS\system32\svchost.exe -k netsvcs
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\新建文件夹\CCenter.exe"
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - "C:\Program Files\Rising\新建文件夹\Ravmond.exe"
O23 - Service: SDAgent Service (SDAgentService) - 北京兴华基业软件技术有限公司 - C:\Program Files\Common Files\smartde\sde.exe
O23 - Service: System Event Logger (WalALET) -  - C:\WINDOWS\system32\rundll32.exe c:\windows\system32\wbem\irjit.dll,export 1087