最近只要挂上QQ,过几个小时后,或者很长时间,就会出现占用CPU资源50%的情况,QQ没响应,在管理器中把QQ关了后,紧接着就出现Explorer占用CPU资源50%的情况,在DOS下和安全模式下都没查出毒来.

Logfile of HijackThis v1.99.1
Scan saved at 2:17:50, on 2005-7-8
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
D:\RAV\Ravmond.exe
D:\RAV\RavStub.exe
d:\瑞星防火墙\rfwsrv.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\nvsvc32.exe
D:\RAV\CCENTER.EXE
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\svchost.exe
D:\瑞星防火墙\rfwmain.exe
C:\WINDOWS\system32\rundll32.exe
D:\RAV\RAVTIMER.EXE
D:\RAV\RAVMON.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Internet Explorer\iexplore.exe
G:\HijackThis.exe

O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\system32\xunleibho_v5.dll
O3 - Toolbar: 卡卡安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\Program Files\Rising\KaKaToolBar\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: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [RfwMain] "D:\瑞星防火墙\rfwmain.exe" -Startup
O4 - HKLM\..\Run: [RavTimer] D:\RAV\RAVTIMER.EXE
O4 - HKLM\..\Run: [RavMon] D:\RAV\RAVMON.EXE -SYSTEM
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O8 - Extra context menu item: &使用迅雷下载 - D:\迅雷\geturl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - D:\迅雷\getAllurl.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - E:\QQ2005\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - E:\QQ2005\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - E:\QQ2005\SendMMS.htm
O9 - Extra button: 访问瑞星网站 - {FF2DE7A6-ECB1-4CBC-9C0E-D92A9E66E444} - http://www.rising.com.cn (file missing)
O9 - Extra button: 访问卡卡社区 - {FF2DE7A6-ECB1-4CBC-9C0E-D92A9E66E445} - http://www.ikaka.com (file missing)
O17 - HKLM\System\CCS\Services\Tcpip\..\{8794C5E4-C6E5-4284-8216-4ECAFC968CA7}: NameServer = 211.98.4.1 202.96.64.68
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Corporation Limited - d:\瑞星防火墙\rfwsrv.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - rising - D:\RAV\CCENTER.EXE
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - D:\RAV\Ravmond.exe

还个有进程不知道是什么"WDFWGR.EXE"就这个谁知道是什么