如题。
我用瑞星防火墙查出在C:\windows\server_hook.dll 有木马。把该文件删除后，该文件没有再生成，但防火墙仍然显示有木马。用HijackThis扫系统日志如下

Logfile of HijackThis v1.99.1
Scan saved at 1:12:36, on 2006-2-28
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\csrss.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
C:\Program Files\Rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Rising\Rav\Ravmond.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Rising\Rav\RavStub.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\Rundll32.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Conexant\AccessRunner ADSL\CnxDslTb.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\WINDOWS\system32\Rundll32.exe
C:\Program Files\Rising\Rav\RavTask.exe
C:\Program Files\Rising\Rav\Ravmon.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\3721\ske\TrojanAssistant.exe
E:\下载\wowshell\wowshell.update
D:\World of Warcraft 在 sky (Yuning) 上\wow.exe
C:\Documents and Settings\All Users\Documents\My Videos\HijackThis\HijackThis.exe

O2 - BHO: ThunderIEHelper - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\system32\xunleibho_v13.dll
O2 - BHO: yPhtb - {33BBE430-0E42-4f12-B075-8D21ACB10DCB} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yphtb.dll
O2 - BHO: Anti Fish - {38928D50-8A48-44C2-945F-D2F23F771410} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yangling.dll
O2 - BHO: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\Assistant\Assist\yasbar.dll
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - C:\Program Files\Tencent\QQ\QQIEHelper.dll
O2 - BHO: YDragSearch - {62EED7C6-9F02-42f9-B634-98E2899E147B} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\YDRAGS~1.DLL
O2 - BHO: HBObject Class - {AE22AFE5-1EF4-4D25-9E23-D2825FB17DA1} - C:\PROGRA~1\HBClient\tbhelper.dll
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - C:\WINDOWS\downlo~1\CnsHook.dll
O3 - Toolbar: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\Assistant\Assist\yasbar.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: [CnsMin] Rundll32.exe C:\WINDOWS\downlo~1\CnsMin.dll,Rundll32
O4 - HKLM\..\Run: [CnxDslTaskBar] "C:\Program Files\Conexant\AccessRunner ADSL\CnxDslTb.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe"  -osboot
O4 - HKLM\..\Run: [IMSCMig] C:\PROGRA~1\COMMON~1\MICROS~1\IME\IMSC40A\IMSCMIG.EXE /Preload
O4 - HKLM\..\Run: [RichMedia] C:\WINDOWS\system32\Rundll32.exe  "C:\PROGRA~1\HBClient\tbhelper.dll",WaitWindows
O4 - HKLM\..\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKLM\..\Run: [RavScanBD] "C:\Program Files\Rising\Rav\ScanBD.exe" /INST
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Startup: 播霸网络电视.lnk = C:\Program Files\pcast\PodcastbarMini\PodcastBarMiniStarter.exe
O4 - Startup: 腾讯QQ.lnk = C:\Program Files\Tencent\QQ\QQ.exe
O8 - Extra context menu item: &使用迅雷下载 - C:\Program Files\Thunder Network\Thunder\geturl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - C:\Program Files\Thunder Network\Thunder\getallurl.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - C:\Program Files\Tencent\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 导出到 Microsoft Office Excel(&X) - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: 添加到QQ自定义面板 - C:\Program Files\Tencent\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - C:\Program Files\Tencent\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - C:\Program Files\Tencent\QQ\SendMMS.htm
O8 - Extra context menu item: 雅虎搜索 - res://C:\PROGRA~1\Yahoo!\Assistant\Assist\yasbar.dll/246
O9 - Extra button: 免费精彩视频超流畅在线观看 - {022C4009-5283-4365-97BF-144054B40E2E} - http://itv.mop.com (file missing)
O9 - Extra 'Tools' menuitem: 播霸电视 - {022C4009-5283-4365-97BF-144054B40E2E} - http://itv.mop.com (file missing)
O9 - Extra button: 浩方对战平台 - {0A155D3C-68E2-4215-A47A-E800A446447A} - E:\haofang\浩方对战平台\GameClient.exe
O9 - Extra button: Yahoo 1G电邮 - {507F9113-CD77-4866-BA92-0E86DA3D0B97} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=yahoomail (file missing)
O9 - Extra button: 寻宝乐趣多 - {59BC54A2-56B3-44a0-93E5-432D58746E26} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=taobao (file missing)
O9 - Extra button: 雅虎助手 - {5D73EE86-05F1-49ed-B850-E423120EC338} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=yassist (file missing)
O9 - Extra button: 信息检索 - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - C:\Program Files\Tencent\QQ\QQ.EXE
O9 - Extra 'Tools' menuitem: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - C:\Program Files\Tencent\QQ\QQ.EXE
O9 - Extra button: (no name) - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - C:\Program Files\Tencent\QQ\QQIEHelper.dll
O9 - Extra 'Tools' menuitem: QQ炫彩工具条设置 - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - C:\Program Files\Tencent\QQ\QQIEHelper.dll
O9 - Extra button: 情景聊天 - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - http://cn.rd.yahoo.com/home/messenger/bjk/clientbtn/?http://cn.messenger.yahoo.com/ (file missing)
O9 - Extra button: (no name) - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=repair (file missing)
O9 - Extra 'Tools' menuitem: 修复浏览器 - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=repair (file missing)
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra button: (no name) - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=clean (file missing)
O9 - Extra 'Tools' menuitem: 清理上网记录 - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=clean (file missing)
O11 - Options group: [!CNS]  上网助手-地址栏搜索
O16 - DPF: {0CA54D3F-CEAE-48AF-9A2B-31909CB9515D} (Edit Class) - https://www.sz1.cmbchina.com/download/CMBEdit.cab
O16 - DPF: {87CCFDB0-C4BE-4BC2-A78C-9EAA7CF96667} (pcastup Class) - http://ps.itv.mop.com/dn/files/vodupdate_1.0.0.8_20051009.cab
O16 - DPF: {F553811C-C2CE-4A33-90B4-A6D333FDF794} (DreamSetup Control) - http://61.156.12.91/ddvod/user/help/player/DreamPlayer/DreamSetup.cab
O16 - DPF: {FEE1002D-90A5-4A5D-AABE-01803FFBCF7A} (pCastPanel Class) - http://ps.itv.mop.com/dn/files/pCastCtl_1.0.0.76_20051110.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{3C2A61B0-6E29-4BAF-9558-E3EE78C7A055}: NameServer = 202.102.128.68 202.102.152.3
O23 - Service: Gray_Pigeon_Server (GrayPigeonServer) - Unknown owner - C:\WINDOWS\Server.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.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