早上上班半个小时重启了两次，昨天有一次，都是突然黑屏重启，用诺顿杀了一下，没发现病毒，也确定没有脚踢电源线。请各位老师帮帮忙，应该会是什么毛病？

这是我刚扫描的日志，传上来请各位大大看看，我用sreng的启动项目功能的时候，提示我：Userinit被修改为非正常值，值:C:\WINNT\system32\userinit.exe,不知道是不是这个原因.

[CODE]

2007-01-24,09:10:05

System Repair Engineer 2.3.13.690
Smallfrogs (http://www.KZTechs.com)

Windows 2000 Professional Service Pack 4 (Build 2195)
- 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
    Winsock 提供者
    Autorun.inf
    HOSTS 文件


启动项目
注册表
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
    <ctfmon.exe><ctfmon.exe>  [Microsoft Corporation]
    <MsnMsgr><"C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background>  [Microsoft Corporation]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
    <Synchronization Manager><mobsync.exe /logon>  [(Verified)Microsoft Corporation]
    <SoundMan><SOUNDMAN.EXE>  [(Verified)Realtek Semiconductor Corp.]
    <DAEMON Tools-2052><"C:\Program Files\D-Tools\daemon.exe"  -lang 2052>  [DAEMON'S HOME]
    <vptray><C:\PROGRA~1\SYMANT~1\SYMANT~1\vptray.exe>  [Symantec Corporation]
    <IMSCMig><C:\PROGRA~1\COMMON~1\MICROS~1\IME\IMSC40A\IMSCMIG.EXE /Preload>  [(Verified)Microsoft Corporation]
    <TkBellExe><"C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot>  [RealNetworks, Inc.]
    <runeip><C:\Program Files\Rising\AntiSpyware\runiep.exe>  [Beijing Rising Technology Co., Ltd.]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
    <shell><Explorer.exe>  [(Verified)Microsoft Corporation]
    <Userinit><C:\WINNT\system32\userinit.exe>  [(Verified)Microsoft Corporation]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Windows]
    <AppInit_DLLs><>  [N/A]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\NavLogon]
    <WinlogonNotify: NavLogon><C:\WINNT\system32\NavLogon.dll>  [N/A]
[HKEY_CURRENT_USER\Control Panel\Desktop]
    <SCRNSAVE.EXE><(无)>  [N/A]

==================================
启动文件夹
[核新SSL通讯安全代理]
  <C:\Documents and Settings\All Users\「开始」菜单\程序\启动\核新SSL通讯安全代理.lnk --> C:\PROGRA~1\hexin\sslproxy\SSLCnt.exe [杭州核新软件技术有限公司]><N>

==================================
服务
[DefWatch / DefWatch][Running/Auto Start]
  <C:\PROGRA~1\SYMANT~1\SYMANT~1\DefWatch.exe><Symantec Corporation>
[Logical Disk Manager Administrative Service / dmadmin][Stopped/Manual Start]
  <C:\WINNT\System32\dmadmin.exe /com><VERITAS Software Corp.>
[Symantec AntiVirus Client / Norton AntiVirus Server][Running/Auto Start]
  <C:\PROGRA~1\SYMANT~1\SYMANT~1\Rtvscan.exe><Symantec Corporation>

==================================
驱动程序
[Service for WDM 3D Audio Driver / ALCXSENS][Running/Manual Start]
  <system32\drivers\ALCXSENS.SYS><Sensaura Ltd>
[Service for Realtek AC97 Audio (WDM) / ALCXWDM][Running/Manual Start]
  <system32\drivers\ALCXWDM.SYS><Realtek Semiconductor Corp.>
[d347bus / d347bus][Running/Boot Start]
  <\SystemRoot\system32\DRIVERS\d347bus.sys><>
[d347prt / d347prt][Running/Boot Start]
  <\SystemRoot\System32\Drivers\d347prt.sys><>
[dmboot / dmboot][Stopped/Disabled]
  <System32\drivers\dmboot.sys><VERITAS Software Corp.>
[Logical Disk Manager Driver / dmio][Running/Boot Start]
  <\SystemRoot\System32\drivers\dmio.sys><VERITAS Software Corp.>
[dmload / dmload][Running/Boot Start]
  <\SystemRoot\System32\drivers\dmload.sys><VERITAS Software Corp.>
[kmsinput / kmsinput][Stopped/Manual Start]
  <\??\C:\WINNT\system32\drivers\kmsinput.sys><N/A>
[NAVAP / NAVAP][Running/Manual Start]
  <\??\C:\PROGRA~1\SYMANT~1\SYMANT~1\NAVAP.sys><Symantec Corporation>
[NAVAPEL / NAVAPEL][Running/Auto Start]
  <\??\C:\Program Files\Symantec_Client_Security\Symantec AntiVirus\NAVAPEL.SYS><Symantec Corporation>
[NAVENG / NAVENG][Running/Manual Start]
  <\??\C:\PROGRA~1\COMMON~1\SYMANT~1\VIRUSD~1\20070122.041\NAVENG.sys><Symantec Corporation>
[NAVEX15 / NAVEX15][Running/Manual Start]
  <\??\C:\PROGRA~1\COMMON~1\SYMANT~1\VIRUSD~1\20070122.041\NAVEX15.sys><Symantec Corporation>
[npkcrypt / npkcrypt][Running/Auto Start]
  <\??\F:\Program Files\Tencent\QQ\npkcrypt.sys><INCA Internet Co., Ltd.>
[Direct Parallel Link Driver / Ptilink][Running/Manual Start]
  <system32\DRIVERS\ptilink.sys><Parallel Technologies, Inc.>
[RsAntiSpyware / RsAntiSpyware][Stopped/Disabled]
  <\SystemRoot\system32\drivers\RsBoot.sys><Beijing Rising>
[Realtek RTL8139-based PCI Fast Ethernet Adapter NT Driver / rtl8139][Running/Manual Start]
  <system32\DRIVERS\RTL8139.SYS><Realtek Semiconductor Corporation>
[S3Psddr / S3Psddr][Running/Manual Start]
  <system32\DRIVERS\s3gnbm.sys><S3 Graphics, Inc.>
[SymEvent / SymEvent][Running/Manual Start]
  <\??\C:\Program Files\Symantec\SYMEVENT.SYS><Symantec Corporation>

==================================
浏览器加载项
[Thunder Browser Helper]
  {889D2FEB-5411-4565-8998-1DD2C5261283} <C:\Program Files\Thunder Network\Thunder\ComDlls\XunLeiBHO_001.dll, Thunder Networking Technologies,LTD>
[信息检索(&R)]
  {92780B25-18CC-41C8-B9BE-3C9C571A8263} <C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL, Microsoft Corporation>
[@shdoclc.dll,-866]
  {c95fe080-8f5d-11d2-a20b-00aa003c157a} <, N/A>
[QQ]
  {c95fe080-8f5d-11d2-a20b-00aa003c157b} <F:\Program Files\Tencent\QQ\QQ.EXE, TENCENT>
[@msdxmLC.dll,-1@2052,电台(&R)]
  {8E718888-423F-11D2-876E-00A0C9082467} <C:\WINNT\system32\msdxm.ocx, Microsoft Corporation>
[卡卡上网安全助手]
  {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} <C:\WINNT\system32\KakaTool.dll, Beijing Rising Technology Co., Ltd.>
[Shockwave Flash Object]
  {D27CDB6E-AE6D-11CF-96B8-444553540000} <C:\WINNT\system32\Macromed\Flash\Flash9b.ocx, Adobe Systems, Inc.>
[&使用迅雷下载]
  <C:\Program Files\Thunder Network\Thunder\Program\GetUrl.htm, N/A>
[&使用迅雷下载全部链接]
  <C:\Program Files\Thunder Network\Thunder\Program\GetAllUrl.htm, N/A>
[上传到QQ网络硬盘]
  <F:\Program Files\Tencent\QQ\AddToNetDisk.htm, N/A>
[添加到QQ自定义面板]
  <F:\Program Files\Tencent\QQ\AddPanel.htm, N/A>
[添加到QQ表情]
  <F:\Program Files\Tencent\QQ\AddEmotion.htm, N/A>
[用QQ彩信发送该图片]
  <F:\Program Files\Tencent\QQ\SendMMS.htm, N/A>

==================================
正在运行的进程
[PID: 160][\SystemRoot\System32\smss.exe]  [Microsoft Corporation, 5.00.2195.6601]
[PID: 184][\??\C:\WINNT\system32\csrss.exe]  [Microsoft Corporation, 5.00.2195.6601]
[PID: 180][\??\C:\WINNT\system32\winlogon.exe]  [Microsoft Corporation, 5.00.2195.6714]
    [C:\WINNT\system32\NavLogon.dll]  [N/A, N/A]
[PID: 232][C:\WINNT\system32\services.exe]  [Microsoft Corporation, 5.00.2195.6700]
    [C:\WINNT\system32\dmserver.dll]  [VERITAS Software Corp., 2195.6605.297.3]
[PID: 244][C:\WINNT\system32\lsass.exe]  [Microsoft Corporation, 5.00.2195.6695]
[PID: 412][C:\WINNT\system32\svchost.exe]  [Microsoft Corporation, 5.00.2134.1]
[PID: 440][C:\WINNT\system32\spoolsv.exe]  [Microsoft Corporation, 5.00.2195.7059]
[PID: 468][C:\PROGRA~1\SYMANT~1\SYMANT~1\DefWatch.exe]  [Symantec Corporation, 8.1.0.821]
[PID: 488][C:\WINNT\system32\svchost.exe]  [Microsoft Corporation, 5.00.2134.1]
[PID: 512][C:\PROGRA~1\SYMANT~1\SYMANT~1\Rtvscan.exe]  [Symantec Corporation, 8.1.0.821]
    [C:\WINNT\system32\CBA.DLL]  [Intel? Corporation, 6.12.0.105 E]
    [C:\WINNT\system32\MsgSys.dll]  [Intel? Corporation, 6.12.0.105 E]
    [C:\WINNT\system32\NTS.dll]  [Intel? Corporation, 6.12.0.105 E]
    [C:\WINNT\system32\PDS.DLL]  [Intel? Corporation, 6.12.0.105 E]
    [C:\PROGRA~1\SYMANT~1\SYMANT~1\NAVLU.dll]  [Symantec Corporation, 8.1.0.821]
    [C:\PROGRA~1\SYMANT~1\SYMANT~1\NAVNTUTL.DLL]  [Symantec/Peter Norton Group, 1, 0, 0, 1]
    [C:\PROGRA~1\SYMANT~1\SYMANT~1\i2ldvp3.dll]  [Symantec Corporation, 8.1.0.821]
    [C:\PROGRA~1\SYMANT~1\SYMANT~1\NAVAPI32.DLL]  [Symantec Corp., 4.2.0.7]
    [C:\PROGRA~1\COMMON~1\SYMANT~1\VIRUSD~1\20070122.041\NAVEX32a.DLL]  [Symantec Corporation, 20071.1.0.15]
    [C:\PROGRA~1\COMMON~1\SYMANT~1\VIRUSD~1\20070122.041\NAVENG32.DLL]  [Symantec Corporation, 20071.1.0.15]
    [C:\Program Files\Symantec_Client_Security\Symantec AntiVirus\NAVAP32.DLL]  [Symantec Corporation, 9.1.0.26]
[PID: 568][C:\WINNT\system32\regsvc.exe]  [Microsoft Corporation, 5.00.2195.6701]
[PID: 584][C:\WINNT\system32\MSTask.exe]  [Microsoft Corporation, 4.71.2195.6704]
[PID: 624][C:\WINNT\System32\WBEM\WinMgmt.exe]  [Microsoft Corporation, 1.50.1085.0100]
[PID: 676][C:\WINNT\system32\svchost.exe]  [Microsoft Corporation, 5.00.2134.1]
[PID: 692][C:\WINNT\system32\svchost.exe]  [Microsoft Corporation, 5.00.2134.1]
[PID: 1072][C:\WINNT\Explorer.EXE]  [Microsoft Corporation, 5.00.3700.6690]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
    [C:\Program Files\Thunder Network\Thunder\ComDlls\XunLeiBHO_001.dll]  [Thunder Networking Technologies,LTD, 5, 0, 0, 1]
    [C:\Program Files\Common Files\Symantec Shared\SSC\vpshell2.dll]  [Symantec Corporation, 8.1.0.821]
    [C:\Program Files\WinRAR\rarext.dll]  [N/A, N/A]
[PID: 1156][C:\WINNT\SOUNDMAN.EXE]  [Realtek Semiconductor Corp., 5.1.0.24]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
[PID: 1164][C:\Program Files\D-Tools\daemon.exe]  [DAEMON'S HOME, 3.47.0.0]
    [C:\WINNT\daemon.dll]  [N/A, 3.47.0.0]
    [C:\Program Files\D-Tools\PFCTOC.DLL]  [Padus(R), Inc., 1, 0, 0, 12]
    [C:\Program Files\D-Tools\Plugins\Images\ccdmount.dll]  [GENERIC, 1.02.0.0]
    [C:\Program Files\D-Tools\Plugins\Images\mdsmount.dll]  [GENERIC, 1.01.0.0]
    [C:\Program Files\D-Tools\Plugins\Images\pdimount.dll]  [GENERIC, 1.01.0.0]
    [C:\Program Files\D-Tools\Plugins\Images\nrgmount.dll]  [GENERIC, 1.02.0.0]
    [C:\Program Files\D-Tools\Plugins\Images\bw5mount.dll]  [N/A, 1.0.2.0]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
[PID: 1180][C:\PROGRA~1\SYMANT~1\SYMANT~1\vptray.exe]  [Symantec Corporation, 8.1.0.821]
    [C:\Program Files\Symantec_Client_Security\Symantec AntiVirus\Cliproxy.dll]  [Symantec Corporation, 8.1.0.821]
    [C:\PROGRA~1\SYMANT~1\SYMANT~1\NAVNTUTL.DLL]  [Symantec/Peter Norton Group, 1, 0, 0, 1]
    [C:\Program Files\Symantec_Client_Security\Symantec AntiVirus\Cliscan.dll]  [Symantec Corporation, 8.1.0.821]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
[PID: 1204][C:\Program Files\Common Files\Real\Update_OB\realsched.exe]  [RealNetworks, Inc., 0.1.0.1622]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
[PID: 1216][C:\Program Files\Rising\AntiSpyware\runiep.exe]  [Beijing Rising Technology Co., Ltd., 1, 0, 1, 6]
    [C:\Program Files\Rising\AntiSpyware\iep_ctrl.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 4]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
[PID: 1188][C:\WINNT\system32\ctfmon.exe]  [Microsoft Corporation, 1.00.2409.34 built by: Lab06_N]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
[PID: 1036][C:\Program Files\hexin\sslproxy\SSLCnt.exe]  [杭州核新软件技术有限公司, 1.103.2003.1122]
    [C:\Program Files\hexin\sslproxy\crypteng.dll]  [杭州核新软件技术有限公司, 1.44.2003.0426]
    [C:\Program Files\hexin\sslproxy\sslproxy.dll]  [杭州核新软件技术有限公司, 1.52.2002.326]
    [C:\Program Files\hexin\sslproxy\CAsAPI.dll]  [杭州核新软件技术有限公司, 1.49.2002.422]
    [C:\Program Files\hexin\sslproxy\Scard.dll]  [杭州核新软件技术有限公司, 1.02.2001.0529]
    [C:\Program Files\hexin\sslproxy\CAs\Sheca.dll]  [杭州核新软件技术有限公司, 1.08.2003.1014]
    [C:\Program Files\hexin\sslproxy\CAs\CTCA.dll]  [杭州核新软件技术有限公司, 1.05.2001.1116]
    [C:\Program Files\hexin\sslproxy\CAs\RH.dll]  [杭州核新软件技术有限公司, 1.07.2001.1207]
    [C:\Program Files\hexin\sslproxy\MapProxy.dll]  [核新软件技术有限公司, 1.00.2003.0613]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
[PID: 1304][C:\Program Files\Internet Explorer\IEXPLORE.EXE]  [Microsoft Corporation, 6.00.2800.1106]
    [C:\WINNT\system32\KakaTool.dll]  [Beijing Rising Technology Co., Ltd., 2, 0, 2, 6]
    [C:\Program Files\Thunder Network\Thunder\ComDlls\XunLeiBHO_001.dll]  [Thunder Networking Technologies,LTD, 5, 0, 0, 1]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
    [C:\WINNT\system32\Macromed\Flash\Flash9b.ocx]  [Adobe Systems, Inc., 9,0,28,0]
[PID: 652][F:\Program Files\word\htzq\hexin.exe]  [杭州核新软件技术有限公司, 2004, 7, 13, 50]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
[PID: 1676][C:\Program Files\Microsoft Office\OFFICE11\WINWORD.EXE]  [Microsoft Corporation, 11.0.5604]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
[PID: 332][F:\sreng2\SREng.EXE]  [Smallfrogs Studio, 2.3.13.690]
    [C:\Program Files\Rising\AntiSpyware\ieprot.dll]  [Beijing Rising Technology Co., Ltd., 1, 0, 0, 8]
    [F:\sreng2\Plugins\SRECXTMG.SRE]  [Smallfrogs Studio, 1, 5, 0, 55]

==================================
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:\WINNT\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
N/A

==================================
Autorun.inf
N/A

==================================
HOSTS 文件
127.0.0.1      localhost

==================================
API HOOK
N/A

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


[/CODE]

拜托，有大大帮忙看看么？！