我的电脑一直比较正常，前几天突然出现不能上网且用域用户登陆速度非常慢（密码验证超过10分钟），我们有两个服务器，一个是局域网的可以ping通，而现在对外的服务器ping不通，局域网里的其它电脑上网正常。出现问题后我用ghost恢复到以前刚装好的系统，问题依旧。请问我的电脑是不是中病毒了？应该怎么解决？下面是hijackthis的扫描结果
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Logfile of HijackThis v1.99.1
Scan saved at 17:50:21, on 2006-12-17
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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
e:\Program Files\Rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\drivers\CDAC11BA.EXE
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\Explorer.EXE
E:\Program Files\Rising\Rav\RavTray.exe
E:\Program Files\Rising\Rav\RavTask.exe
C:\WINDOWS\system32\wuauclt.exe
e:\Program Files\Rising\Rav\Ravmond.exe
e:\Program Files\Rising\Rav\RAVMON.EXE
e:\Program Files\Rising\Rav\RavStub.exe
e:\Program Files\Rising\Rav\RavService.exe
C:\WINDOWS\system32\ctfmon.exe
E:\Program Files\IPMsg\ipmsg.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Internet Explorer\iexplore.exe
E:\Program Files\Adobe\Acrobat 7.0\Acrobat\Acrobat.exe
C:\WINDOWS\system32\WISPTIS.EXE
C:\DOCUME~1\LYONG~1.KAN\LOCALS~1\Temp\Adobelm_Cleanup.0001
C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
C:\DOCUME~1\LYONG~1.KAN\LOCALS~1\Temp\Adobelm_Cleanup.0001
E:\Program Files\Microsoft Office\OFFICE11\WINWORD.EXE
F:\安装文件\系统工具\hijackthis\HijackThis.exe

O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - E:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: AcroIEToolbarHelper Class - {AE7CD045-E861-484f-8273-0445EE161910} - E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll
O4 - HKLM\..\Run: [RavTray] "e:\Program Files\Rising\Rav\RavTray.exe"
O4 - HKLM\..\Run: [RavTask] "e:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [MSConfig] C:\WINDOWS\PCHealth\HelpCtr\Binaries\MSConfig.exe /auto
O8 - Extra context menu item: Convert link target to Adobe PDF - res://E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Convert link target to existing PDF - res://E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Convert selected links to Adobe PDF - res://E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECaptureSelLinks.html
O8 - Extra context menu item: Convert selected links to existing PDF - res://E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppendSelLinks.html
O8 - Extra context menu item: Convert selection to Adobe PDF - res://E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Convert selection to existing PDF - res://E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Convert to Adobe PDF - res://E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Convert to existing PDF - res://E:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: 上传到QQ网络硬盘 - F:\Program Files\Tencent\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 导出到 Microsoft Office Excel(&X) - res://E:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: 添加到QQ自定义面板 - F:\Program Files\Tencent\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - F:\Program Files\Tencent\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - F:\Program Files\Tencent\QQ\SendMMS.htm
O9 - Extra button: 信息检索 - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - E:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = kancha.com
O17 - HKLM\System\CCS\Services\Tcpip\..\{815BCD09-43B6-487C-BA42-72357FDD5134}: NameServer = 192.168.0.2
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = kancha.com
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = kancha.com
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\system32\drivers\CDAC11BA.EXE
O23 - Service: RavService - Unknown owner - e:\Program Files\Rising\Rav\RavService.exe" /service (file missing)
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - e:\Program Files\Rising\Rav\CCenter.exe
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - e:\Program Files\Rising\Rav\Ravmond.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
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