氨气做制冷剂的原理:WIN2000上网后system狂占CPU资源!求助

win2000一上网就资源紧张 system进程狂占cup！重装后都不行阿！！求教！！！！
Logfile of HijackThis v1.99.1
Scan saved at 9:43:33, on 2006-3-9
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [frxmxins] frxmxins
O4 - HKLM\..\Run: [KAVPersonal50] "C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kav.exe" /minimize
O4 - HKLM\..\Run: [SKYNET Personal FireWall] C:\PROGRA~1\SkyNet\FireWall\PFW.exe
O4 - HKLM\..\Run: [WinPatrol] C:\Program Files\WinPatrol\winpatrol.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKCU\..\Run: [Internat.exe] internat.exe
O9 - Extra button: (no name) - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - C:\Program Files\Tencent\QQ\QQIEHelper.dll
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/wind ... e.cab?1141660037382
O16 - DPF: {94EB57FE-2720-496C-B33F-D9353C6E23F7} (F-Secure Online Scanner 2.1) - http://support.f-secure.com/ols/fscax.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{89BE2311-E8CA-454D-B18C-4B09229D5CE8}: NameServer = 202.115.176.195,202.115.176.200
O17 - HKLM\System\CS1\Services\Tcpip\..\{89BE2311-E8CA-454D-B18C-4B09229D5CE8}: NameServer = 202.115.176.195,202.115.176.200
O17 - HKLM\System\CS2\Services\Tcpip\..\{89BE2311-E8CA-454D-B18C-4B09229D5CE8}: NameServer = 202.115.176.195,202.115.176.200
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINNT\system32\Ati2evxx.exe
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: kavsvc - Kaspersky Lab - C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kavsvc.exe