这3个病毒一直去了又来“Trojan.DL.Agent.ech”“Trojan.DL.Agent.eci”“Dropper.Agent.ac”，帮我想想办法呀！！
HijackThis@Qoo的扫描日志  V1.97.7
Scan saved at 19:56:44, on 2006-1-22
Platform: Windows ME (Win9x 4.90.3000)
MSIE: Internet Explorer v5.50 (5.50.4134.0100)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\PROGRAM FILES\RISING\RAV\RAVMOND.EXE
C:\PROGRAM FILES\RISING\RAV\RAVMON.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\RPCSS.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\INTERNAT.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\KHOOKER.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\PROGRAM FILES\COMMON FILES\REAL\UPDATE_OB\REALSCHED.EXE
C:\PROGRAM FILES\RISING\RAV\RAVTASK.EXE
C:\PROGRAM FILES\HUACI\ZSEARCH.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\PROGRAM FILES\INTERNET EXPLORER\IEXPLORE.EXE
E:\INS\新建文件夹\HIJACKTHIS1.97_QOO\HIJACKTHIS.EXE

O2 - BHO: (no name) - {A5366673-E8CA-11D3-9CD9-0090271D075B} - C:\PROGRAM FILES\FLASHGET\JCCATCH.DLL
O2 - BHO: AssistII - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - (no file)
O2 - BHO: (no name) - {CE7C3CF0-4B15-11D1-ABED-709549C10000} - C:\WINDOWS\SYSTEM\QYLHELPER.DLL
O2 - BHO: (no name) - {08A312BB-5409-49FC-9347-54BB7D069AC6} - C:\PROGRA~1\DESKAD~1\DESKIPN.DLL
O3 - Toolbar: ????? - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: FlashGet Bar - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - C:\PROGRAM FILES\FLASHGET\FGIEBAR.DLL
O3 - Toolbar: ????? - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
O4 - HKLM\..\Run: [internat.exe] internat.exe
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [PCHealth] C:\WINDOWS\PCHealth\Support\PCHSchd.exe -s
O4 - HKLM\..\Run: [SiSRaid] C:\Program Files\Silicon Integrated Systems\SiSRaidPackage\SRaid.exe
O4 - HKLM\..\Run: [SiS KHooker] C:\WINDOWS\SYSTEM\khooker.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe"  -osboot
O4 - HKLM\..\Run: [YDTMain.exe] C:\PROGRA~1\YDT\YDTMain.exe
O4 - HKLM\..\Run: [RavTask] "C:\Program Files\rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [Desktop] C:\WINDOWS\SYSTEM\rundll32.exe "C:\Program Files\DeskAdTop\Run.dll" ,Rundll
O4 - HKLM\..\RunServices: [RsCcenter] "C:\Program Files\rising\Rav\CCenter.exe"
O4 - HKLM\..\RunServices: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\RunServices: [RavMond] "C:\Program Files\rising\Rav\RavMond.exe"
O4 - HKLM\..\RunServices: [RavMon] "C:\Program Files\rising\Rav\RavMon.exe" -system
O4 - Startup: Outlook Express.lnk
O4 - Startup: Windows Media Player.lnk
O4 - Startup: Internet Explorer.lnk
O4 - Startup: 智能升级.lnk
O4 - Startup: RealPlayer.lnk
O4 - Startup: 划词搜索.lnk
O8 - Extra context menu item: 使用网际快车下载 - C:\PROGRAM FILES\FLASHGET\jc_link.htm
O8 - Extra context menu item: 使用网际快车下载全部链接 - C:\PROGRAM FILES\FLASHGET\jc_all.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - F:\PROGRAM FILES\TENCENT\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - F:\PROGRAM FILES\TENCENT\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - F:\PROGRAM FILES\TENCENT\QQ\SendMMS.htm
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: MSN Messenger Service (HKLM)
O9 - Extra button: FlashGet (HKLM)
O9 - Extra 'Tools' menuitem: &FlashGet (HKLM)
O9 - Extra button: QQ (HKLM)
O11 - Options group: [!CNS] 
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
O16 - DPF: {3D8F74EE-8692-4F8F-B8D2-7522E732519E} (WebActivater Control) - http://game.qq.com/QQGame2.cab
O17 - HKLM\System\CCS\Services\VxD\MSTCP: NameServer = 202.101.110.55,202.101.98.55