到底是哪的毛病?

最近总有不明程序运行,速度也慢了很多
可瑞星升级来升级去就是杀不出来毒.防火墙升级后又不能够打开了.
图片保存总是跳出对话框"系统找不到指定的文件"
而且发现一个奇怪的进程,头像是一个带墨镜和黑帽子的人头,很不对劲:
进程名字 AgentSvr.exe
PID 2192
线程 7
内存 3044K
文件 C:\WINDOWS\msagent\AgentSvr.exe

附日志:
Logfile of HijackThis v1.99.1
Scan saved at 19:48:22, on 2006-11-28
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
E:\Program Files\Rising\Rav\Ravmond.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
E:\Program Files\Rising\Rav\RavStub.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\VM_STI.EXE
E:\Program Files\Rising\Rav\RavTask.exe
C:\WINDOWS\system32\ctfmon.exe
E:\Program Files\Rising\Rav\Ravmon.exe
C:\WINDOWS\system32\conime.exe
C:\Program Files\ChinaNetSn\bin\Dialterminal.exe
E:\Program Files\Rising\Rav\RsAgent.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\dllhost.exe
E:\Program Files\Rising\Rav\Rav.exe
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar$EX00.360\HijackThis.exe

R3 - Default URLSearchHook is missing
O3 - Toolbar: 卡卡上网安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\WINDOWS\system32\KakaTool.dll
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [BigDogPath] C:\WINDOWS\VM_STI.EXE 新泰超级摄像头
O4 - HKLM\..\Run: [RavTask] "E:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [RfwMain] "E:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKLM\..\RunOnce: [RavStub] "E:\Program Files\Rising\Rav\ravstub.exe" /RUNONCE
O4 - HKLM\..\RunOnce: [Rfw] "E:\Program Files\Rising\Rfw\Update\Setup.exe" /UPDATE /ONCE
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [bgswitch] C:\WINDOWS\system32\bgswitch.exe
O8 - Extra context menu item: &使用迅雷下载 - C:\Program Files\Thunder Network\Thunder\Program\GetUrl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - C:\Program Files\Thunder Network\Thunder\Program\GetAllUrl.htm
O9 - Extra button: QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - E:\Program Files\Tencent\QQ\QQ.EXE
O9 - Extra 'Tools' menuitem: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - E:\Program Files\Tencent\QQ\QQ.EXE
O16 - DPF: {0B96BF84-DA5C-46F4-A7FC-5319CFF74163} (MnetLauncher Control) - http://player.mnet.com/package/cjmuset.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1150832215049
O17 - HKLM\System\CCS\Services\Tcpip\..\{90E09757-5FDB-4FFF-A1C1-2E7A56372D3F}: NameServer = 61.134.1.4 218.30.19.40
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Co., Ltd. - e:\program files\rising\rfw\rfwsrv.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - E:\Program Files\Rising\Rav\CCenter.exe
O23 - Service: Rising RealTime Monitor (RsRavMon) - Beijing Rising Technology Co., Ltd. - E:\Program Files\Rising\Rav\Ravmond.exe
最后编辑2006-11-28 20:38:18