我的电脑染上了不知是什么病毒啊，MP4里的电影放不到，说是木马，叫 Trojan.Agent.afz 　完全杀不完啊  ，请你们帮帮我，告诉我怎么样删除好吗？
日志：
Logfile of HijackThis v1.99.1
Scan saved at 22:24:58, on 2007-3-8
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
F:\Rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
F:\Rising\Rav\Ravmond.exe
C:\WINDOWS\Explorer.EXE
f:\rising\rfw\rfwsrv.exe
C:\WINDOWS\system32\spoolsv.exe
f:\rising\rfw\RfwMain.exe
C:\WINDOWS\system32\RunDll32.exe
F:\Rising\Rav\RavTask.exe
C:\WINDOWS\system32\sistray.EXE
F:\Rising\Rav\Ravmon.exe
C:\Program Files\Rising\KakaToolBar\runiep.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\tlntsvr.exe
C:\Program Files\INTERNET Explorer\IEXPLORE.EXE
C:\WINDOWS\system32\rundll32.exe
F:\Rising\Rav\RsAgent.exe
C:\WINDOWS\msagent\AgentSvr.exe
D:\游戏\sc\木马查杀工具\ha_hijackthis_1991\HijackThis.exe

O2 - BHO: QQCycloneHelper - {00000000-12C9-4305-82F9-43058F20E8D2} - (no file)
O2 - BHO: AdPopup - {11F09AFD-75AD-4E51-AB43-E09E9351CE16} - (no file)
O2 - BHO: yPhtb - {33BBE430-0E42-4f12-B075-8D21ACB10DCB} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\yphtb.dll (file missing)
O2 - BHO: YDragSearch - {62EED7C6-9F02-42f9-B634-98E2899E147B} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\YDRAGS~1.DLL (file missing)
O2 - BHO: YOK超级搜索 - {75FE2B5A-D3A4-4EFA-AC11-ADC9C9459688} - C:\Program Files\YOK.com\SuperSearch\YOK_SuperSearch.dll (file missing)
O2 - BHO: ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - (no file)
O2 - BHO: GMBar - {FD9936EF-C90D-4914-9EAB-699612B11A47} - C:\WINDOWS\csapix.dll
O2 - BHO: AssistHelper - {FE3ECAE7-0A37-4506-8A7D-3CC9A04D2CA8} - C:\PROGRA~1\Yahoo!\Assistant\Assist\yassist.dll (file missing)
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: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [RavTask] "F:\Rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [SiS Tray] C:\WINDOWS\system32\sistray.EXE
O4 - HKLM\..\Run: [REGSHAVE] C:\Program Files\REGSHAVE\REGSHAVE.EXE /AUTORUN
O4 - HKLM\..\Run: [runeip] C:\Program Files\Rising\KakaToolBar\runiep.exe
O4 - HKLM\..\Run: [RfwMain] "F:\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKLM\..\Run: [poco] F:\poco\Poco2006.exe
O4 - HKLM\..\Run: [yassistse] "C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Startup: QQ游戏启动加速程序.lnk = C:\Program Files\Tencent\QQGame\Accel.exe
O8 - Extra context menu item: &使用超级旋风下载 - C:\Program Files\Tencent\QQDownload\geturl.htm
O8 - Extra context menu item: &使用超级旋风下载全部链接 - C:\Program Files\Tencent\QQDownload\getAllurl.htm
O8 - Extra context menu item: YOK超级搜索 - C:\Program Files\YOK.com\SuperSearch\yoksch.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: 使用迅雷下载 - C:\Program Files\Thunder Network\Thunder\Program\GetUrl.htm
O8 - Extra context menu item: 使用迅雷下载全部链接 - C:\Program Files\Thunder Network\Thunder\Program\GetAllUrl.htm
O8 - Extra context menu item: 加入POCO网摘(&K) - http://my.poco.cn/fav/rightClick.php
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: 我的POCO网摘(&O) - http://my.poco.cn/fav/open_myfav.php
O8 - Extra context menu item: 添加到AMV视频转换工具... - D:\图片工具\转换\AMVConverter\grab.html
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: 添加到媒体管理器... - D:\图片工具\转换\MediaManager\grab.html
O8 - Extra context menu item: 添加到雅虎订阅(&Y) - res://C:\PROGRA~1\Yahoo!\ASSIST~1\assist\yrss.dll/YRSSMENUEXT
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: 用比特精灵下载(&B) - D:\游戏\英雄无敌\BitSpirit\bsurl.htm
O8 - Extra context menu item: 雅虎搜索 - res://C:\PROGRA~1\Yahoo!\Assistant\Assist\yasbar.dll/203
O9 - Extra button: JUJU猫 - {6096E38F-5AC1-4391-8EC4-75DFA92FB32F} - http://www.jujumao.com (file missing)
O9 - Extra button: 信息检索 - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - D:\图片工具\网页制作\OFFICE11\REFIEBAR.DLL (file missing)
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 (file missing)
O9 - Extra 'Tools' menuitem: QQ炫彩工具条设置 - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - C:\Program Files\Tencent\QQ\QQIEHelper.dll (file missing)
O9 - Extra button: YOK超级搜索 - {F869BB38-FFEF-4589-B986-610B7AD0ADA2} - http://www.yok.com (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: 鹅城影视 - {{DD1A363E-7803-4d06-923D-367BEE305F94} - http://www.hznets.com (file missing)
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1150832215049
O18 - Protocol: KuGoo3 - {6AC4FBC7-AA38-45EC-9634-D6D20B679EFC} - F:\PROGRA~1\KuGoo3\InExtend\KUGOO3~1.OCX
O20 - AppInit_DLLs: APIHookDll.dll
O23 - Service: Rising Proxy  Service (RfwProxySrv) - Beijing Rising Technology Co., Ltd. - f:\rising\rfw\rfwproxy.exe
O23 - Service: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Co., Ltd. - f:\rising\rfw\rfwsrv.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - F:\Rising\Rav\CCenter.exe
O23 - Service: Rising RealTime Monitor (RsRavMon) - Beijing Rising Technology Co., Ltd. - F:\Rising\Rav\Ravmond.exe
O23 - Service: Network Management Center Task (W32Tasks) - Unknown owner - C:\WINDOWS\system32\taskman32.exe