我的电脑在杀过一次毒后，出现了一个毛病，就是每次启动时，会出现一个黑框，出现的时机和位置，与非法关机后重启时进行C盘检测的那个黑框几乎一样，只是黑框内没有任何文字显示，停留时间也较为短暂。请教高手这是什么原因？如何修复？
附HijackThis日志。
Logfile of HijackThis v1.99.1
Scan saved at 0:55:20, on 2006-10-1
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\csrss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
c:\program files\rising\rfw\rfwproxy.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\Rising\Rav\CCenter.exe
C:\Program Files\Rising\Rav\Ravmond.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\Rising\Rav\RavStub.exe
C:\WINNT\Explorer.EXE
c:\program files\rising\rfw\RfwMain.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Rising\Rav\RavTask.exe
C:\Program Files\Rising\Rav\Ravmon.exe
C:\WINNT\system32\internat.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
E:\下载软件\电脑维复\ha_hijackthis_1991\HijackThis.exe
O2 - BHO: BandIE Class - {77FEF28E-EB96-44FF-B511-3185DEA48697} - C:\PROGRA~1\baidu\bar\baidubar.dll
O3 - Toolbar: @msdxmLC.dll,-1@2052,电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O3 - Toolbar: 百度超级搜霸 - {B580CF65-E151-49C3-B73F-70B13FCA8E86} - C:\PROGRA~1\baidu\bar\baidubar.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKLM\..\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKCU\..\Run: [Internat.exe] internat.exe
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
O9 - Extra button: 相关站点 - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - Extra 'Tools' menuitem: 相关站点 - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O17 - HKLM\System\CCS\Services\Tcpip\..\{102768AB-3816-4670-B56E-9F4A6E4A36F9}: NameServer = 221.228.255.1 218.2.135.1
O17 - HKLM\System\CS1\Services\Tcpip\..\{102768AB-3816-4670-B56E-9F4A6E4A36F9}: NameServer = 221.228.255.1 218.2.135.1
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Rising Proxy Service (RfwProxySrv) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwproxy.exe
O23 - Service: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwsrv.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\CCenter.exe
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\Ravmond.exe
