我的浏览器以前是空白页，后来装了个PDF阅读器，主页就被改了，现在成了www.jjjppp.com,也改不回来了，请朋友们帮忙下。谢谢了
日志
Logfile of Kaka v2. 0. 3. 0 Scan Module v1. 0. 6. 1
Scan saved at 19:55:30, on 2007-05-11
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))
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page=C:\WINDOWS\system32\blank.htm
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page=%SystemRoot%\system32\blank.htm
R3 - URLSearchHook: BDSrchHook Class - {2C5AA40E-8814-4EB6-876E-7EFB8B3F9662} - C:\WINDOWS\DOWNLO~1\BDSrHook.dll
O1 - Hosts: 127.0.0.1 localhost
O2 - BHO: WebThunder Browser Helper - {00000AAA-A363-466E-BEF5-9BB68697AA7F} - F:\Thunder Network\WebThunder\WebThunderBHO_016.dll
O2 - BHO: Promote Class - {0FA24E3E-422C-4D94-A125-104F32352C90} - C:\WINDOWS\system32\promote.dll
O2 - BHO: BitComet Helper - {39F7E362-828A-4B5A-BCAF-5B79BFDFEA60} - F:\BitComet\tools\BitCometBHO_1.1.2.7.dll
O2 - BHO: VnetCookie Class - {4E83D567-4697-4F7B-B1F0-A513B01DB89A} - c:\PROGRA~1\chinanet\VNETTR~1.DLL
O2 - BHO: Thunder Browser Helper - {889D2FEB-5411-4565-8998-1DD2C5261283} - C:\Program Files\Thunder\ComDlls\XunLeiBHO_002.dll
O2 - BHO: BDHlprObj Class - {CA92B524-BC8A-4610-BD2C-6BD3E28155D0} - C:\WINDOWS\DOWNLO~1\BDHelper.dll
O4 - HKLM\..\Run: [DU Meter] F:\网络监视\DU Meter\DUMeter.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [pccguide.exe] "F:\Trend Micro\Internet Security 2007\pccguide.exe"
O4 - HKLM\..\Run: [runeip] C:\Program Files\Rising\AntiSpyware\runiep.exe
O4 - HKLM\..\RunOnce: [KKDelay] C:\Program Files\Rising\AntiSpyware\RunOnce.exe
O4 - Startup: desktop.ini =
O4 - Global Startup: desktop.ini =
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: &使用BitComet下载 - res://F:\BitComet\BitComet.exe/AddLink.htm
O8 - Extra context menu item: &使用BitComet下载全部链接 - res://F:\BitComet\BitComet.exe/AddAllLink.htm
O8 - Extra context menu item: &使用BitComet下载本页视频 - res://F:\BitComet\BitComet.exe/AddVideo.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - F:\Tencent\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 使用Web迅雷下载 - F:\Thunder Network\WebThunder\GetUrl.htm
O8 - Extra context menu item: 使用Web迅雷下载全部链接 - F:\Thunder Network\WebThunder\GetAllUrl.htm
O8 - Extra context menu item: 使用迅雷下载 - C:\Program Files\Thunder\Program\GetUrl.htm
O8 - Extra context menu item: 使用迅雷下载全部链接 - C:\Program Files\Thunder\Program\GetAllUrl.htm
O8 - Extra context menu item: 导出到 Microsoft Office Excel(&X) - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: 添加到QQ自定义面板 - F:\Tencent\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - F:\Tencent\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - F:\Tencent\QQ\SendMMS.htm
O9 - Extra Button: 浩方对战平台 - {0A155D3C-68E2-4215-A47A-E800A446447A} - D:\HFGameOPT\GameClient.exe
O9 - Extra Button: 启动Web迅雷 - {962EFB8E-2683-42d4-AC74-AAA4C759B9C6} - http://my.xunlei.com (file missing)
O9 - Extra 'Tools' menuitem: 启动Web迅雷 - {962EFB8E-2683-42d4-AC74-AAA4C759B9C6} - http://my.xunlei.com (file missing)
O9 - Extra Button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe (file missing)
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe (file missing)
O14 - IERESET.INF: START_PAGE_URL=http://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome
O16 - DPF: {E787FD25-8D7C-4693-AE67-9406BC6E22DF} (PasswordEditCtrl Class) - https://password.qq.com/download/qqedit2.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{4C6793D2-7B02-44EA-83A5-AB4E3A7D09B9}: NameServer = 202.102.192.68 202.102.199.68
O17 - HKLM\System\CCS\Services\Tcpip\..\{AC1CC1F6-8E9F-4F85-A7FB-E3FDF1D1A22C}: NameServer = 202.102.200.101
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: KuGoo3 - {6AC4FBC7-AA38-45EC-9634-D6D20B679EFC} - F:\Kugoo3Cr\InExtend\KuGoo3DownXControl.ocx
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 - AppInit_DLLs: 350217M.BMP
O20 - Winlogon Notify: WgaLogon
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: Human Interface Device Access (HidServ) - - C:\WINDOWS\system32\svchost.exe -k netsvcs
O23 - Service: iPod 服务 (iPod Service) - Apple Inc. - "C:\Program Files\iPod\bin\iPodService.exe"
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Trend Micro Central Control Component (PcCtlCom) - Trend Micro Inc. - F:\TRENDM~1\INTERN~1\PcCtlCom.exe
O23 - Service: Trend Micro Protection Against Spyware (PcScnSrv) - Trend Micro Inc. - "F:\TRENDM~1\INTERN~1\PcScnSrv.exe"
O23 - Service: ServiceLayer (ServiceLayer) - Nokia. - "C:\Program Files\PC Connectivity Solution\ServiceLayer.exe"
O23 - Service: Trend Micro Real-time Service (Tmntsrv) - Trend Micro Inc. - F:\TRENDM~1\INTERN~1\Tmntsrv.exe
O23 - Service: Trend Micro Personal Firewall (TmPfw) - Trend Micro Inc. - F:\TRENDM~1\INTERN~1\TmPfw.exe
O23 - Service: Trend Micro Proxy Service (tmproxy) - Trend Micro Inc. - F:\TRENDM~1\INTERN~1\tmproxy.exe
O23 - Service: User Privilege Service (usprserv) - Microsoft Corporation - C:\WINDOWS\system32\svchost.exe -k netsvcs
O23 - Service: WinWLService (WinWLService) - - C:\WINDOWS\system32\ravwl.exe
O23 - Service: WinWMService (WinWMService) - - C:\WINDOWS\system32\ravwm.exe
