电脑不知道什么时候染病毒了，杀毒能清除内存，但重启还存在，
病毒信息：
IEXPLORE.EXE C:\Program files\Internet Explorer\IEXPLORE.EXE Backdoor.Gpigeon.uql
杀了以后重启还存在。
HijackThis V1.99.0 汉化版
扫描结果如下：（请高手帮忙分析，查出病毒根源）
Logfile of HijackThis v1.99.0
Scan saved at 19:59:55, on 2006-4-22
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)
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:\Program Files\Rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Rising\Rav\Ravmond.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\WINDOWS\Explorer.EXE
E:\备份\天气\XDeskWeather.exe
C:\Program Files\Rising\Rav\RavTask.exe
C:\Program Files\Rising\Rfw\rfwmain.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Rising\Rav\Ravmon.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: 电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [XDeskWeather] E:\备份\天气\XDeskWeather.exe
O4 - HKLM\..\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [StormCodec_Helper] "C:\Program Files\Ringz Studio\Storm Codec\StormSet.exe" /S /opti
O4 - HKLM\..\Run: [YLive.exe] C:\PROGRA~1\Yahoo!\ASSIST~1\YLive.exe
O4 - HKLM\..\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O8 - Extra context menu item: Google 搜索(&G) - res://c:\program files\google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\Tencent\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 反向链接 - res://c:\program files\google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: 导出到 Microsoft Excel(&x) - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: 添加到QQ自定义面板 - D:\Tencent\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - D:\Tencent\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\Tencent\QQ\SendMMS.htm
O8 - Extra context menu item: 类似网页 - res://c:\program files\google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: 缓存的网页快照 - res://c:\program files\google\GoogleToolbar1.dll/cmcache.html
O8 - Extra context menu item: 翻译英文字词(&T) - res://c:\program files\google\GoogleToolbar1.dll/cmwordtrans.html
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra button: 易趣购物 - {DE607143-AC19-423e-865A-5D70ABDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=5 (file missing)
O9 - Extra 'Tools' menuitem: 易趣购物 - {DE607143-AC19-423e-865A-5D70ABDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=5 (file missing)
O16 - DPF: {3D8F74EE-8692-4F8F-B8D2-7522E732519E} (WebActivater Control) - http://game.qq.com/QQGame2.cab
O16 - DPF: {A96C48EA-AA88-4BBD-B58C-7B41146A6EAC} (Qzone Media Tools) - http://imgcache.qq.com/qzone/photo/QzoneMediaTools.cab
O20 - AppInit_DLLs: KB2153661.LOG
O23 - Service: QQ - Unknown - C:\WINDOWS\QQ.exe
O23 - Service: Rising Personal Firewall Service - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwsrv.exe
O23 - Service: Rising Process Communication Center - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\CCenter.exe
O23 - Service: RsRavMon Service - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\Ravmond.exe
