各位大侠：小弟中了Backdoor.PcShare.f，不知道是什么？也杀不了（杀了，重启后就又有了） 小弟用HijackThis v1.99.1分析如下：
Logfile of HijackThis v1.99.1
Scan saved at 1:13:03, on 2005-7-23
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
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\wdnmgr.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\nvsvc32.exe
D:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
D:\PROGRAM FILES\RISING\RAV\Ravmond.exe
D:\PROGRAM FILES\RISING\RAV\RavStub.exe
E:\音乐\Download\HijackThis.exe
D:\Program Files\rising\Rav\Rav.exe
D:\Program Files\rising\Rav\RsAgent.exe
C:\WINDOWS\msagent\AgentSvr.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Administrator\桌面\155847200541134207\HijackThis.exe
R3 - URLSearchHook: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\assist\asbar.dll
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\system32\xunleibho_v5.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - D:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: CNNIC_IDN - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll (file missing)
O2 - BHO: Router Layer - {5EB7CB50-E375-4718-B4C0-9AD12EFA2F84} - C:\WINDOWS\System32\aclayer.dll
O2 - BHO: ShowBar
Object Class - {850B69E4-90DB-4F45-8621-891BF35A5B53} - c:\windows\system32\alitb\__new\bar.dll
O2 - BHO: (no name) - {A5366673-E8CA-11D3-9CD9-0090271D075B} - (no file)
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 - Toolbar: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRA~1\3721\assist\asbar.dll
O3 - Toolbar: BitCometBar - {3F1ABCDB-A875-46c1-8345-B72A4567E486} - d:\Program Files\BitComet\BitCometBar\BitCometBar0.1.dll
O4 - HKLM\..\Run: [CnsMin] Rundll32.exe C:\WINDOWS\downlo~1\CnsMin.dll,Rundll32
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O8 - Extra context menu item: !搜一搜 - res://C:\WINDOWS\downlo~1\CnsMinEx.dll/1003
O8 - Extra context menu item: !搜一搜(&S) - res://C:\Program Files\YiSou\yisou.dll/232
O8 - Extra context menu item: &使用暴风下载器下载 - D:\Program Files\Ringz Studio\Storm Downloader\geturl.htm
O8 - Extra context menu item: &使用迅雷下载 - D:\Program Files\Thunder Network\Thunder\geturl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - D:\Program Files\Thunder Network\Thunder\getAllurl.htm
O8 - Extra context menu item: 使用Kugoo下载 - E:\PROGRA~1\KuGoo2\KugooDownX.htm
O8 - Extra context menu item: 使用网际快车下载 - C:\Program Files\绿色软件\网际快车(FlashGet) v1.65 美化特别版\jc_link.htm
O8 - Extra context menu item: 使用网际快车下载全部链接 - C:\Program Files\绿色软件\网际快车(FlashGet) v1.65 美化特别版\jc_all.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 - D:\Program Files\Tencent\qq\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - D:\Program Files\Tencent\qq\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\Program Files\Tencent\qq\SendMMS.htm
O9 - Extra button: 手机短信 - {00000000-0000-0001-0001-596BAEDD1289} - http://sms.3721.com/ie/index.htm?pid=65226_1006 (file missing)
O9 - Extra button: 浩方对战平台 - {0A155D3C-68E2-4215-A47A-E800A446447A} - E:\Program Files\浩方对战平台\GameClient.exe
O9 - Extra button: 商机直通车 - {13b0c05c-ef05-4bf6-b0ea-f6111af25544} - c:\windows\system32\alitb\__new\bar.dll
O9 - Extra button: 中文上网 - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll (file missing)
O9 - Extra 'Tools' menuitem: 中文上网 - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll (file missing)
O9 - Extra button: Yahoo 1G电邮 - {507F9113-CD77-4866-BA92-0E86DA3D0B97} - http://cn.mail.yahoo.com/promo/rd1 (file missing)
O9 - Extra button: 寻宝乐趣多 - {59BC54A2-56B3-44a0-93E5-432D58746E26} - http://hot.3721.com/rd/shop_btn.htm (file missing)
O9 - Extra button: 上网助手 - {5D73EE86-05F1-49ed-B850-E423120EC338} - http://assistant.3721.com/index.htm?fb=Cns (file missing)
O9 - Extra button: JUJU猫 - {6096E38F-5AC1-4391-8EC4-75DFA92FB32F} - http://www.jujumao.net (file missing)
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://assistant.3721.com/security1.htm?fb=Cns (file missing)
O9 - Extra 'Tools' menuitem: 修复浏览器 - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://assistant.3721.com/security1.htm?fb=Cns (file missing)
O9 - Extra button: 易趣购物 - {EE60714F-AC19-427e-861A-FD60ABDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=1 (file missing)
O9 - Extra 'Tools' menuitem: 易趣购物 - {EE60714F-AC19-427e-861A-FD60ABDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=1 (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://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O9 - Extra 'Tools' menuitem: 清理上网记录 - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O10 - Unknown file in Winsock LSP: c:\windows\system32\cdnns.dll
O11 - Options group: [!CNS] 上网助手-地址栏搜索
O11 - Options group: [CDNCLIENT] 中文上网
O16 - DPF: {56A7DC70-E102-4408-A34A-AE06FEF01586} - http://iebar.t2t2.com/iebar.cab
O16 - DPF: {E4E2F180-CB8B-4DE9-ACBB-DA745D3BA153} (Rising Web Scan
Object) - http://download.rising.com.cn/register/pcver/autoupgradepad/Ver2005/OL2005.cab
O20 - Winlogon Notify: WB - C:\Program Files\Stardock\
Object Desktop\ThemeManager\fastload.dll
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - rising - D:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - D:\PROGRAM FILES\RISING\RAV\Ravmond.exe
