十万火急，求高手帮忙
我的电脑启动一下子变得很慢，鼠标不灵，进入windows 欢迎界面时声音失真。但是查不出什么病毒。一下是系统日志，请各位大侠帮我看一下有什么问题。
Logfile of HijackThis v1.99.1
Scan saved at 7:24:55, on 2007-5-16
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
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
D:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus 6.0\avp.exe
D:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus 6.0\avp.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Internet Explorer\iexplore.exe
D:\Program Files\HijackThis.exe
R3 - Default URLSearchHook is missing
F2 - REG:system.ini: UserInit=userinit.exe,
O2 - BH AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - D:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BH ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - D:\Program Files\Thunder Network\Thunder\ComDlls\XUNLEIBHO_002.dll
O4 - HKLM\..\Run: [kav] "D:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus 6.0\avp.exe"
O4 - HKLM\..\Run: [SKYNET Personal FireWall] D:\Program Files\SkyNet\FireWall\PFW.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O6 - HKLM\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O8 - Extra context menu item: &使用迅雷下载 - D:\Program Files\Thunder Network\Thunder\Program\GetUrl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - D:\Program Files\Thunder Network\Thunder\Program\GetAllUrl.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\Program Files\Tencent\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - D:\Program Files\Tencent\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - D:\Program Files\Tencent\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\Program Files\Tencent\QQ\SendMMS.htm
O14 - IERESET.INF: SEARCH_PAGE_URL=
O14 - IERESET.INF: START_PAGE_URL=
O17 - HKLM\System\CCS\Services\Tcpip\..\{2371A835-6722-4A2E-9362-D61390A1D1EC}: NameServer = 218.76.198.98 218.76.192.100
O17 - HKLM\System\CS1\Services\Tcpip\..\{2371A835-6722-4A2E-9362-D61390A1D1EC}: NameServer = 218.76.198.98 218.76.192.100
O23 - Service: 卡巴斯基反病毒6.0 (AVP) - Unknown owner - D:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus 6.0\avp.exe" -r (file missing)
O23 - Service: WinXP DHCP Service (WinXPDHCPsvc) - Unknown owner - C:\WINDOWS\system32rundll32.exe (file missing)
