主要症状是：开机后5分钟，机器会变的越来越卡，必须关机重开，重起不能解决问题。（似乎在上网的情况下比较容易出现这种情况。）
另外，最新的瑞星监控会提示发现Trojan.DL.adservs，杀毒后，下次开机仍然会出现。
把文件夹选项中的“隐藏受保护的操作系统文件（推荐）”前的勾去掉后，会在一些文件夹中或根目录下看到一个叫Thumbs的数据库文件。
求各位高手帮我解决下这个问题。谢谢！！
附一个日志：
HijackThis_zww汉化版扫描日志 V1.99.1
保存于 18:39:34, 日期 2006-2-12
操作系统： Windows XP SP1 (WinNT 5.01.2600)
浏览器： Internet Explorer v6.00 SP1 (6.00.2800.1106)
当前运行的进程：
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
E:\rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
E:\rising\Rav\Ravmond.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\lexbces.exe
C:\WINDOWS\System32\LEXPPS.EXE
C:\WINDOWS\system32\spoolsv.exe
E:\rising\Rav\RavStub.exe
C:\WINDOWS\System32\nvsvc32.exe
E:\虚拟光区\Alcohol 120\StarWind\StarWindService.exe
C:\WINDOWS\System32\Rundll32.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
E:\rising\Rav\RavTask.exe
C:\WINDOWS\System32\ctfmon.exe
E:\rising\rav\RavMon.exe
E:\qq2005珊瑚版\QQ.exe
E:\qq2005珊瑚版\TIMPlatform.exe
C:\Program Files\Internet Explorer\iexplore.exe
E:\BT工具\BitComet.exe
E:\2535952005811174944\HijackThis1991zww.exe
R3 - URLSearchHook: (no name) - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\System32\xunleibho_v8.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - E:\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: 上网助手 - {1B0E7716-898E-48cc-9690-4E338E8DE1D3} - C:\PROGRAM FILES\3721\ASSIST\ASSIST.DLL
O2 - BHO: 3721中文邮 - {6231D512-E4A4-4DF2-BE62-5B8F0EE348EF} - C:\PROGRAM FILES\3721\CES\CESWEB.DLL
O2 - BHO: Helper Class - {6E28339B-7A2A-47B6-AEB2-197004272379} - C:\WINDOWS\vchelper.dll
O2 - BHO: BrowseHelper Class - {80BF4637-D65B-43F3-BB60-C5DD3D5FB7B9} - E:\KV2004\KVSHELL.DLL
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - C:\WINDOWS\DOWNLO~1\CnsHook.dll
O2 - BHO: YiSou - {EF1D17A9-089F-40cc-8D64-7324CDEBA0DB} - C:\PROGRA~1\YiSou\yisoub.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: 金山毒霸 - {A9BE2902-C447-420A-BB7F-A5DE921E6138} - (no file)
O3 - IE工具栏增项: 上网助手 - {1B0E7716-898E-48cc-9690-4E338E8DE1D3} - C:\PROGRAM FILES\3721\ASSIST\ASSIST.DLL
O3 - IE工具栏增项: 江民杀毒工具栏 - {B5A34A93-D538-43A7-8371-864CB6148D12} - E:\KV2004\KVSHELL.DLL
O3 - IE工具栏增项: 搜虎 - {7A38130D-BEB7-4d60-BE7A-4C4AB6A85CD1} - C:\WINDOWS\vcbar11.dll
O3 - IE工具栏增项: 一搜工具条 - {115F6E46-FCBC-41ed-B3B5-3BDDD4AAB5E5} - C:\Program Files\YiSou\yisou.dll
O3 - IE工具栏增项: UCmore XP - The Search Accelerator - {44BE0690-5429-47f0-85BB-3FFD8020233E} - C:\Program Files\TheSearchAccelerator\UCMTSAIE.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: [SystemTray] SysTray.Exe
O4 - 启动项HKLM\\Run: [internat.exe] internat.exe
O4 - 启动项HKLM\\Run: [SoundMan] SOUNDMAN.EXE
O4 - 启动项HKLM\\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - 启动项HKLM\\Run: [RavTask] "E:\rising\Rav\RavTask.exe" -system
O4 - 启动项HKLM\\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - 启动项HKLM\\Run: [gimmygames] C:\\gimmygames.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - Startup: 瑞星监控中心.lnk = E:\rising\rav\RavMon.exe
O8 - IE右键菜单中的新增项目: !搜一搜 - res://C:\Program Files\YiSou\yisou.dll/232
O8 - IE右键菜单中的新增项目: &使用迅雷下载 - E:\迅雷\geturl.htm
O8 - IE右键菜单中的新增项目: &使用迅雷下载全部链接 - E:\迅雷\getallurl.htm
O8 - IE右键菜单中的新增项目: 加入POCO网摘(&K) - http://my.poco.cn/fav/rightClick.php
O8 - IE右键菜单中的新增项目: 我的POCO网摘(&O) - http://my.poco.cn/fav/open_myfav.php
O8 - IE右键菜单中的新增项目: 添加到QQ自定义面板 - E:\qq2005珊瑚版\AddPanel.htm
O8 - IE右键菜单中的新增项目: 添加到QQ表情 - E:\qq2005珊瑚版\AddEmotion.htm
O8 - IE右键菜单中的新增项目: 用QQ彩信发送该图片 - E:\qq2005珊瑚版\SendMMS.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_chinamp3_5417 (file missing)
O9 - 浏览器额外的按钮: 浩方对战平台 - {0A155D3C-68E2-4215-A47A-E800A446447A} - D:\平台\GameClient.exe
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: 3721中文邮 - {5D73EE86-05F1-49ed-B850-E423120EC329} - http://cmail.3721.com?fb=client (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: QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - C:\WINDOWS\System32\shdocvw.dll
O9 - 浏览器额外的“工具”菜单项: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - C:\WINDOWS\System32\shdocvw.dll
O9 - 浏览器额外的按钮: (no name) - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - (no file)
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] 网络实名
O12 - IE插件，支持文件类型.spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {0CA54D3F-CEAE-48AF-9A2B-31909CB9515D} (Edit Class) - https://www.sz1.cmbchina.com/download/CMBEdit.cab
O16 - DPF: {285C55C4-B32C-4EC0-8539-BBCE97FDF380} (SuperStream Control) - http://listen.poptang.com/play/SuperRelease.cab
O16 - DPF: {488A4255-3236-44B3-8F27-FA1AECAA8844} (CEditCtrl
Object) - https://img.alipay.com/download/aliedit.cab
O16 - DPF: {48FE89A0-486C-48DF-9DEC-BED22BDC6057} (XIsOro Control) - http://www.sinago.com/download/OroCheck.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1138703958609
O16 - DPF: {73E4740C-08EB-4133-896B-8D0A7C9EE3CD} (AxInputControl Class) - https://mybank.icbc.com.cn/icbc/perbank/AxSafeControls.cab
O16 - DPF: {8D9E0B29-563C-4226-86C1-5FF2AE77E1D2} (AxSubmitControl Class) - https://mybank.icbc.com.cn/icbc/perbank/AxSafeControls.cab
O16 - DPF: {9EB320CE-BE1D-4304-A081-4B4665414BEF} (MediaTicketsInstaller Control) - http://www.mt-download.com/MediaTicketsInstaller.cab?refid=5071
O16 - DPF: {A9E58728-1FA7-46CE-845D-44694EB11602} (XGiboView Control) - http://www.sinago.com/giboview/giboview.cab
O16 - DPF: {DA984A6D-508E-11D6-AA49-0050FF3C628D} (Ravonline) - http://download.rising.com.cn/QQ/QQkill/rsonline.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{52FD2E82-D2A4-4D06-AA32-D7A584D8021C}: NameServer = 202.96.209.6 202.96.209.133
O17 - HKLM\System\CCS\Services\Tcpip\..\{CE14797C-7B41-41B1-8768-69893487B7A7}: NameServer = 202.96.209.6,202.96.209.133
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: winhdn32 - C:\WINDOWS\SYSTEM32\winhdn32.dll
O23 - NT 服务: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\System32\lexbces.exe
O23 - NT 服务: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - NT 服务: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - E:\rising\Rav\CCenter.exe
O23 - NT 服务: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - E:\rising\Rav\Ravmond.exe
O23 - NT 服务: StarWind iSCSI Service (StarWindService) - Rocket Division Software - E:\虚拟光区\Alcohol 120\StarWind\StarWindService.exe
O23 - NT 服务: Microsoft Windows HelpFile (Windows Helpfile) - Unknown owner - C:\WINDOWS\services.exe (file missing)
