瑞星卡卡安全论坛

今天朋友的电脑中了Downloader.Trojan,怎么也弄不掉, 快要累死我了,发了一上午的求助,多亏不言放弃等高手的帮助,一步步解决问题来修改进程,现在这是我的新进程,
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:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\Rundll32.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\PROGRA~1\NavNT\vptray.exe
C:\WINDOWS\system32\rundll32.exe
C:\PROGRA~1\3721\assistse.exe
C:\WINDOWS\System32\ctfmon.exe
C:\WINDOWS\VM_STI.EXE
C:\WINDOWS\System32\alg.exe
C:\Program Files\NavNT\defwatch.exe
C:\Program Files\NavNT\rtvscan.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\rundll32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\wdfmgr.exe
C:\WINDOWS\System32\MsgSys.EXE
D:\qq\QQ.exe
D:\qq\TIMPlatform.exe
C:\WINDOWS\System32\wuauclt.exe
D:\HijackThis1991汉化版\HijackThis1991zww.exe
R3 - URLSearchHook: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\Assist\asbar.dll
O2 - BHO: Anti Fish - {38928D50-8A48-44C2-945F-D2F23F771410} - C:\Program Files\3721\Assist\Angling.dll
O2 - BHO: std software - {6A512BF7-EC78-4e8d-9841-6C02E8FA9838} - C:\WINDOWS\SYSTEM32\stdup.dll
O2 - BHO: AssistII - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\Assist\asbar.dll
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - C:\WINDOWS\downlo~1\cnshook.dll
O3 - IE工具栏增项: 电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - IE工具栏增项: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\Assist\asbar.dll
O4 - 启动项HKLM\\Run: [IMJPMIG8.1] C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE /Spoil /RemAdvDef /Migration32
O4 - 启动项HKLM\\Run: [PHIME2002ASync] C:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - 启动项HKLM\\Run: [PHIME2002A] C:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - 启动项HKLM\\Run: [SoundMan] SOUNDMAN.EXE
O4 - 启动项HKLM\\Run: [NvCplDaemon] rem RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - 启动项HKLM\\Run: [nwiz] rem nwiz.exe /install
O4 - 启动项HKLM\\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe"  -osboot
O4 - 启动项HKLM\\Run: [vptray] C:\PROGRA~1\NavNT\vptray.exe
O4 - 启动项HKLM\\Run: [helper.dll] C:\WINDOWS\system32\rundll32.exe C:\PROGRA~1\3721\helper.dll,Rundll32
O4 - 启动项HKLM\\Run: [assistse] "C:\PROGRA~1\3721\assistse.exe"
O4 - 启动项HKLM\\Run: [CnsMin] Rundll32.exe C:\WINDOWS\downlo~1\CnsMin.dll,Rundll32
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] rem "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [MsnMsgr] rem "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O8 - IE右键菜单中的新增项目: 添加到QQ自定义面板 - D:\qq\AddPanel.htm
O8 - IE右键菜单中的新增项目: 添加到QQ表情 - D:\qq\AddEmotion.htm
O9 - 浏览器额外的按钮: 手机短信 - {00000000-0000-0001-0001-596BAEDD1289} - http://sms.3721.com/ie/index.htm?pid=U_3721home (file missing)
O9 - 浏览器额外的按钮: Yahoo 1G电邮 - {507F9113-CD77-4866-BA92-0E86DA3D0B97} - http://cn.mail.yahoo.com/promo/rd1 (file missing)
O9 - 浏览器额外的按钮: 寻宝乐趣多 - {59BC54A2-56B3-44a0-93E5-432D58746E26} - http://hot.3721.com/rd/shop_btn.htm (file missing)
O9 - 浏览器额外的按钮: 上网助手 - {5D73EE86-05F1-49ed-B850-E423120EC338} - http://assistant.3721.com/index.htm?fb=Cns (file missing)
O9 - 浏览器额外的按钮: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - 浏览器额外的“工具”菜单项: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - 浏览器额外的按钮: 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 - 浏览器额外的按钮: (no name) - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://assistant.3721.com/security1.htm?fb=Cns (file missing)
O9 - 浏览器额外的“工具”菜单项: 修复浏览器 - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://assistant.3721.com/security1.htm?fb=Cns (file missing)
O9 - 浏览器额外的按钮: (no name) - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O9 - 浏览器额外的“工具”菜单项: 清理上网记录 - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O11 - Options group: [!CNS]  上网助手-地址栏搜索
O16 - DPF: {8D9E0B29-563C-4226-86C1-5FF2AE77E1D2} (AxSubmitControl Class) - https://mybank.icbc.com.cn/icbc/perbank/AxSafeControls.cab
O16 - DPF: {CBBFFFE0-FAC9-4889-A70C-5DE97969AB8D} (ActiveFormX Control) - http://chat.yeeyoo.com/vpc/roomui/videoocx.cab
O16 - DPF: {FA7D78BA-3EA7-4E52-B0E2-0772F577E6CC} (VideoOcx Control) - http://chat.yeeyoo.com/vpc/roomui/videoocx.cab
O18 - 列举现有的协议: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - Winlogon Notify: NavLogon - C:\WINDOWS\System32\NavLogon.dll
O23 - NT 服务: DefWatch - Symantec Corporation - C:\Program Files\NavNT\defwatch.exe
O23 - NT 服务: Norton AntiVirus 客户端 (Norton AntiVirus Server) - Symantec Corporation - C:\Program Files\NavNT\rtvscan.exe
O23 - NT 服务: ELSA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
其中这个文件是无法删除的, 
C:\WINDOWS\SYSTEM32\stdup.dll
请高手们再检查一下还有问题吗?