Hosts文件的位置:在Windows 98系统下该文件在Windows文件夹。
在Windows 2000/XP系统中位于\%Systemroot%\System32\Drivers\Etc 文件夹中，其中，%Systemroot%指系统安装路径。例如，Windows XP 安装在C:\WINDOWS,那么Hosts文件就在C:\Widows\System32\Drvers\Etc中。
你也可以用windows自带的查找功能搜索找到hosts文件。
该文件其实是一个纯文本的文件，用普通的文本编辑软件如记事本等都能打开和编辑。

楼主
请下载 System Repair Engineer，使用“智能扫描”，按下“扫描”按钮进行扫描，扫描完成后按下“保存报告”按钮保存报告日志文件（SREng.LOG），把保存的报告日志文件内容复制-粘贴上来
下载网址
http://www.kztechs.com/sreng/sreng2.zip
http://forum.ikaka.com/topic.asp?board=67&artid=5188931
日志一次粘不完，分次粘完，请不要修改。

2006-08-22,11:47:48

System Repair Engineer 2.0.21.505 (2.0 RC 2)
Smallfrogs (http://www.KZTechs.com)

Windows XP Professional Service Pack 2 (Build 2600)
- 管理权限用户 - 完整功能

以下内容被选中：
    所有的启动项目（包括注册表、启动文件夹、服务等）
    浏览器加载项
    正在运行的进程（包括进程模块信息）
    文件关联


启动项目
注册表
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
    <ctfmon.exe><C:\WINDOWS\system32\ctfmon.exe>  [Microsoft Corporation]
    <Camfrog><"D:\tools\Camfrog\Camfrog Video Chat 3.72\CamfrogNet.exe" 0 D:\tools\Camfrog\Camfrog Video Chat 3.72\Camfrog Video Chat.exe>  []
[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <load><>  []
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
    <IMJPMIG8.1><"C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32>  [Microsoft Corporation]
    <PHIME2002ASync><C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC>  [Microsoft Corporation]
    <PHIME2002A><C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName>  [Microsoft Corporation]
    <RavTask><"d:\tools\Rising\Rav\RavTask.exe" -system>  [Beijing Rising Technology Co., Ltd.]
    <StormCodec_Helper><"d:\tools\Ringz Studio\Storm Codec\StormSet.exe" /S /opti>  []
    <ATIPTA><C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe>  [ATI Technologies, Inc.]
    <BigDogPath><C:\WINDOWS\VM_STI.EXE USB PC Camera 301P>  []
    <TkBellExe><"C:\Program Files\Common Files\Real\Update_OB\realsched.exe"  -osboot>  [RealNetworks, Inc.]
    <ClubBox><8V?>  []
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run]
    <KernelFaultCheck><C:\WINDOWS\system32\msime.exe>  [Microsoft Corporation]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <shell><Explorer.exe>  [Microsoft Corporation]
    <Userinit><C:\WINDOWS\system32\userinit.exe,>  [Microsoft Corporation]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <AppInit_DLLs><>  []
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <UIHost><logonui.exe>  [Microsoft Corporation]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks]
    <{32CD708B-60A7-4C00-9377-D73EAA495F0F}><C:\WINDOWS\system32\RavExt.dll>  [Beijing Rising Technology Co., Ltd.]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\AtiExtEvent]
    <WinlogonNotify: AtiExtEvent><Ati2evxx.dll>  [ATI Technologies Inc.]

==================================
启动文件夹
服务
[Ati HotKey Poller / Ati HotKey Poller]
  <C:\WINDOWS\system32\Ati2evxx.exe><ATI Technologies Inc.>
[ATI Smart / ATI Smart]
  <C:\WINDOWS\system32\ati2sgag.exe><>
[RsRavMon Service / RsRavMon]
  <"D:\tools\Rising\Rav\Ravmond.exe"><Beijing Rising Technology Co., Ltd.>
[ServiceLayer / ServiceLayer]
  <"C:\Program Files\Common Files\PCSuite\Services\ServiceLayer.exe"><Nokia.>

==================================
浏览器加载项
[IExpress]
  {27E96DE0-8211-42CF-9A1E-FA6246A95B77} <C:\WINDOWS\system32\iexpress.dll, N/A>
[QQBrowserHelperObject Class]
  {54EBD53A-9BC1-480B-966A-843A333CA162} <E:\Tencent\QQ\QQIEHelper.dll, 深圳市腾讯计算机系统有限公司>
[Thunder Browser Helper]
  {889D2FEB-5411-4565-8998-1DD2C5261283} <d:\tools\Thunder Network\Thunder\ComDlls\XunLeiBHO_002.dll, Thunder Networking Technologies,LTD>
[启动迅雷]
  {0062C9BD-B349-40DE-91A0-755F37ACD559} <d:\tools\Thunder Network\Thunder\Thunder.exe, Thunder Networking Technologies,LTD>
[讯通视频语音聊天]
  {97C0CDFA-970D-4222-ADDE-6718E89E887C} <http://www.bdsystem.com/, N/A>
[QQIEFloatBarCfgCmd Class]
  {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} <E:\Tencent\QQ\QQIEHelper.dll, 深圳市腾讯计算机系统有限公司>
[Messenger]
  {FB5F1910-F110-11d2-BB9E-00C04F795683} <C:\Program Files\Messenger\msmsgs.exe, Microsoft Corporation>
[NowStarter Control]
  {072039AB-2117-4ED5-A85F-9B9EB903E021} <C:\WINDOWS\system32\NOWSTA~1.OCX, (C) NOWCOM>
[MSN Photo Upload Tool]
  {4F1E5B1A-2A80-42CA-8532-2D05CB959537} <C:\WINDOWS\Downloaded Program Files\MsnPUpld.dll, Microsoft? Corporation>
[Shockwave Flash Object]
  {D27CDB6E-AE6D-11CF-96B8-444553540000} <C:\WINDOWS\system32\Macromed\Flash\Flash9.ocx, Adobe Systems, Inc.>
[Yahoo! Toolbar Helper]
  {02478D38-C3F9-4EFB-9B51-7695ECA05670} <, N/A>
[IExpress]
  {27E96DE0-8211-42CF-9A1E-FA6246A95B77} <C:\WINDOWS\system32\iexpress.dll, N/A>
[MSN Photo Upload Tool]
  {4F1E5B1A-2A80-42CA-8532-2D05CB959537} <C:\WINDOWS\Downloaded Program Files\MsnPUpld.dll, Microsoft? Corporation>
[QQBrowserHelperObject Class]
  {54EBD53A-9BC1-480B-966A-843A333CA162} <E:\Tencent\QQ\QQIEHelper.dll, 深圳市腾讯计算机系统有限公司>
[Windows Media Player]
  {6BF52A52-394A-11D3-B153-00C04F79FAA6} <C:\WINDOWS\system32\wmp.dll, Microsoft Corporation>
[搜虎]
  {7A38130D-BEB7-4D60-BE7A-4C4AB6A85CD1} <, N/A>
[Thunder Browser Helper]
  {889D2FEB-5411-4565-8998-1DD2C5261283} <d:\tools\Thunder Network\Thunder\ComDlls\XunLeiBHO_002.dll, Thunder Networking Technologies,LTD>
[RealPlayer G2 Control]
  {CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA} <C:\WINDOWS\system32\rmoc3260.dll, RealNetworks, Inc.>
[Shockwave Flash Object]
  {D27CDB6E-AE6D-11CF-96B8-444553540000} <C:\WINDOWS\system32\Macromed\Flash\Flash9.ocx, Adobe Systems, Inc.>
[&Yahoo! Toolbar]
  {EF99BD32-C1FB-11D2-892F-0090271D4F88} <, N/A>
[&使用迅雷下载]
  <d:\tools\Thunder Network\Thunder\Program\GetUrl.htm, N/A>
[&使用迅雷下载全部链接]
  <d:\tools\Thunder Network\Thunder\Program\GetAllUrl.htm, N/A>
[上传到QQ网络硬盘]
  <E:\Tencent\QQ\AddToNetDisk.htm, N/A>
[添加到QQ自定义面板]
  <E:\Tencent\QQ\AddPanel.htm, N/A>
[添加到QQ表情]
  <E:\Tencent\QQ\AddEmotion.htm, N/A>
[用QQ彩信发送该图片]
  <E:\Tencent\QQ\SendMMS.htm, N/A>

==================================
正在运行的进程
[PID: 476][\SystemRoot\System32\smss.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 536][\??\C:\WINDOWS\system32\csrss.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 560][\??\C:\WINDOWS\system32\winlogon.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
    [C:\WINDOWS\system32\Ati2evxx.dll]  <ATI Technologies Inc.><6.14.10.4113>
[PID: 608][C:\WINDOWS\system32\services.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 620][C:\WINDOWS\system32\lsass.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 776][C:\WINDOWS\system32\Ati2evxx.exe]  <ATI Technologies Inc.><6.14.10.4113>
    [C:\WINDOWS\system32\Ati2edxx.dll]  <ATI Technologies, Inc.><6, 14, 10, 2496>
[PID: 788][C:\WINDOWS\system32\svchost.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 844][C:\WINDOWS\system32\svchost.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 908][C:\WINDOWS\System32\svchost.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 952][C:\WINDOWS\system32\svchost.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 1088][C:\WINDOWS\system32\svchost.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 1276][C:\WINDOWS\system32\Ati2evxx.exe]  <ATI Technologies Inc.><6.14.10.4113>
    [C:\WINDOWS\system32\Ati2edxx.dll]  <ATI Technologies, Inc.><6, 14, 10, 2496>
[PID: 1328][C:\WINDOWS\Explorer.EXE]  <Microsoft Corporation><6.00.2900.2180 (xpsp_sp2_rtm.040803-2158)>
    [C:\WINDOWS\system32\RavExt.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 21>
    [d:\tools\Thunder Network\Thunder\ComDlls\XunLeiBHO_002.dll]  <Thunder Networking Technologies,LTD><5, 0, 0, 2>
    [d:\tools\WinRAR\rarext.dll]  <N/A><N/A>
    [d:\tools\Rising\Rav\RSCOMMON.DLL]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 4>
[PID: 1408][C:\WINDOWS\system32\spoolsv.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 1584][C:\WINDOWS\system32\msime.exe]  <Microsoft Corporation><5.1.2600.2180>
[PID: 1632][D:\tools\Rising\Rav\RavTask.exe]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 22>
    [D:\tools\Rising\Rav\RSCOMMON.DLL]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 4>
    [D:\tools\Rising\Rav\RSAPPMGR.DLL]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 2>
    [D:\tools\Rising\Rav\CfgDll.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 11>
    [D:\tools\Rising\Rav\RsCommX.dll]  <rising><18, 0, 0, 1>
[PID: 1660][C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe]  <ATI Technologies, Inc.><6.14.10.5142>
    [C:\Program Files\ATI Technologies\ATI Control Panel\atipdsxx.dll]  <ATI Technologies, Inc.><6.14.10.5142>
    [C:\PROGRAM FILES\ATI TECHNOLOGIES\ATI CONTROL PANEL\ATRPUIXX.CHS]  <ATI Technologies, Inc.><6.14.10.5142>
    [C:\Program Files\ATI Technologies\ATI Control Panel\atipdxxx.dll]  <ATI Technologies, Inc.><6.14.10.5142>
[PID: 1668][C:\WINDOWS\VM_STI.EXE]  <VM.><4.2.610.4>
    [C:\WINDOWS\system32\msdmo.dll]  <N/A><N/A>
    [C:\WINDOWS\system32\VM31bPrp.Ax]  <VM><4.2.711.31>
[PID: 1676][C:\Program Files\Common Files\Real\Update_OB\realsched.exe]  <RealNetworks, Inc.><0.1.0.3208>
[PID: 1684][C:\WINDOWS\system32\ctfmon.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 1740][D:\tools\Rising\Rav\Ravmon.exe]  <Beijing Rising Technology Co., Ltd.><18, 0, 1, 32>
    [D:\tools\Rising\Rav\RsGuiLib.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 24>
    [D:\tools\Rising\Rav\BWList.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 19>
    [D:\tools\Rising\Rav\RSAPPMGR.DLL]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 2>
    [D:\tools\Rising\Rav\CfgDll.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 11>
    [D:\tools\Rising\Rav\RSCOMMON.DLL]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 4>
    [D:\tools\Rising\Rav\RsCommX.dll]  <rising><18, 0, 0, 1>
    [D:\tools\Rising\Rav\PngDll.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 5>
[PID: 1956][C:\WINDOWS\system32\svchost.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 236][C:\WINDOWS\system32\wdfmgr.exe]  <Microsoft Corporation><5.2.3790.1230 built by: dnsrv(bld4act)>
[PID: 1108][C:\WINDOWS\System32\alg.exe]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 1500][D:\gwbn.exe]  <><0, 0, 7, 0>
[PID: 2128][C:\WINDOWS\system32\NOTEPAD.EXE]  <Microsoft Corporation><5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)>
[PID: 2204][d:\tools\Rising\Rav\CCenter.exe]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 3>
[PID: 2220][D:\tools\Rising\Rav\Ravmond.exe]  <Beijing Rising Technology Co., Ltd.><18, 0, 1, 33>
    [D:\tools\Rising\Rav\BWList.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 19>
    [D:\tools\Rising\Rav\RsCommX.dll]  <rising><18, 0, 0, 1>
    [D:\tools\Rising\Rav\RSAPPMGR.DLL]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 2>
    [D:\tools\Rising\Rav\CfgDll.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 11>
    [D:\tools\Rising\Rav\RSCOMMON.DLL]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 4>
    [D:\tools\Rising\Rav\RsLog.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 20>
    [D:\tools\Rising\Rav\HOOKSYS.dll]  <Beijing Rising Technology Co., Ltd.><18, 1, 0, 11>
    [d:\tools\Rising\Rav\Scanner.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 30>
    [d:\tools\Rising\Rav\libload.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 10>
    [d:\tools\Rising\Rav\VirusLib.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 12>
    [D:\tools\Rising\Rav\regmon.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 6>
    [D:\tools\Rising\Rav\HookWeb.dll]  <rising><18, 0, 0, 2>
    [D:\tools\Rising\Rav\MemMon.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 10>
    [D:\tools\Rising\Rav\expscan.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 4>
    [D:\tools\Rising\Rav\mPorts.dll]  <Beijing Rising Technology Co., Ltd.><4, 0, 0, 3>
    [D:\tools\Rising\Rav\MailMon.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 5>
    [d:\tools\Rising\Rav\PostTrt.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 12>
    [d:\tools\Rising\Rav\SpamEng.dll]  <N/A><18, 0, 0, 6>
    [d:\tools\Rising\Rav\engine.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 30>
    [d:\tools\Rising\Rav\UnExe.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 11>
    [d:\tools\Rising\Rav\ScanExec.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 11>
    [d:\tools\Rising\Rav\ScanEx.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 14>
    [d:\tools\Rising\Rav\NvFile.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 7>
    [d:\tools\Rising\Rav\ScanMac.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 9>
    [d:\tools\Rising\Rav\ScanSct.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 18>
    [d:\tools\Rising\Rav\Unpacker.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 3>
    [d:\tools\Rising\Rav\ExtOLE.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 6>
[PID: 2328][D:\tools\Rising\Rav\RavStub.exe]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 16>
    [D:\tools\Rising\Rav\RsCommX.dll]  <rising><18, 0, 0, 1>
    [D:\tools\Rising\Rav\RSCOMMON.DLL]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 4>
[PID: 2432][D:\tools\MYIE2\myie.exe]  <MySoft><0, 8, 2126, 0>
    [D:\tools\MYIE2\Plugin\ViewSource\ViewSrc.dll]  <><1, 0, 0, 1>
    [d:\tools\Rising\Rav\RavScrCh.dll]  <Beijing Rising Technology Co., Ltd.><18, 0, 0, 4>
    [C:\WINDOWS\system32\Macromed\Flash\Flash9.ocx]  <Adobe Systems, Inc.><9,0,16,0>
[PID: 3248][D:\sreng2\SREng2\SREng.exe]  <Smallfrogs Studio><2.0.21.505>

==================================
文件关联
.TXT  OK. [%SystemRoot%\system32\NOTEPAD.EXE %1]
.EXE  OK. ["%1" %*]
.COM  OK. ["%1" %*]
.PIF  OK. ["%1" %*]
.REG  OK. [regedit.exe "%1"]
.BAT  OK. ["%1" %*]
.SCR  OK. ["%1" /S]
.CHM  OK. ["C:\WINDOWS\hh.exe" %1]
.HLP  OK. [%SystemRoot%\System32\winhlp32.exe %1]
.INI  OK. [%SystemRoot%\System32\NOTEPAD.EXE %1]
.INF  OK. [%SystemRoot%\System32\NOTEPAD.EXE %1]
.VBS  OK. [%SystemRoot%\System32\WScript.exe "%1" %*]
.JS  OK. [%SystemRoot%\System32\WScript.exe "%1" %*]
.LNK  OK. [{00021401-0000-0000-C000-000000000046}]

==================================
Winsock 提供者

==================================

newcenturymoon

你在吗??帮忙看看啊!!!

newcenturymoon
你在哪里啊????????????????
还有高手帮忙看看吗????????????????????急,谢谢了!!!!!!

有高手在吗?????????????????????我顶!!!!

高手师傅们呢??????????????都不在吗??????????
55555555555555555