最近每天一打开电脑，瑞星防火墙就提示扫描到内存病毒，而且每次都一样的
可是删除以后，下次系统启动还是会再次出现！以下日志
2006-08-13 00:25:59, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-13 00:14:47, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-12 10:38:44, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-12 10:32:11, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-12 01:14:03, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-11 03:00:22, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-11 02:53:34, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-11 02:22:07, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-11 02:15:15, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-11 02:12:15, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-11 01:57:58, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-11 01:51:27, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-11 01:36:27, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-10 23:31:27, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-10 23:19:50, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-10 07:36:19, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
2006-08-10 03:33:09, iexplore.exe>>E:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.exe ->Backdoor.Gpigeon.5.ep
后来使用HijackThis.exe工具扫描了一下日志贴出来，请高手分析一下又没有这个灰鸽子病毒存在？
Logfile of HijackThis v1.99.1
Scan saved at 上午1:22:15, on 2006-8-13
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Running processes:
E:\WINDOWS\System32\smss.exe
E:\WINDOWS\system32\winlogon.exe
E:\WINDOWS\system32\services.exe
E:\WINDOWS\system32\lsass.exe
E:\WINDOWS\system32\svchost.exe
F:\Program Files\Rising\Rav\CCenter.exe
E:\WINDOWS\System32\svchost.exe
E:\WINDOWS\Explorer.EXE
F:\Program Files\Rising\Rav\Ravmond.exe
F:\Program Files\Rising\Rfw\rfwsrv.exe
E:\WINDOWS\system32\spoolsv.exe
F:\Program Files\Rising\Rav\RavStub.exe
E:\Program Files\Microsoft IntelliPoint\point32.exe
F:\Program Files\Rising\Rav\RavTask.exe
F:\Program Files\Rising\Rav\Ravmon.exe
F:\Program Files\Rising\Rfw\RfwMain.exe
F:\Program Files\windows 优化大师\WinMem.exe
E:\WINDOWS\System32\svchost.exe
F:\Program Files\木马杀客\mmsk.exe
E:\WINDOWS\system32\ctfmon.exe
F:\Program Files\Maxthon\Maxthon.exe
E:\WINDOWS\regedit.exe
E:\Documents and Settings\yarou\桌面\HijackThis.exe
O2 - BHO: dsWebAllowBHO Class - {2F85D76C-0569-466F-A488-493E6BD0E955} - E:\Program Files\Windows Desktop Search\dsWebAllow.dll
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - F:\Program Files\Tencent\QQ\QQIEHelper.dll
O2 - BHO: ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - F:\Program Files\Thunder Network\Thunder\ComDlls\XUNLEIBHO_001.dll
O3 - Toolbar: 卡卡上网安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - E:\WINDOWS\System32\KakaTool.dll
O3 - Toolbar: 金山快译(&K) - {6C3797D2-3FEF-4cd4-B654-D3AE55B4128C} - F:\Program Files\Kingsoft\FastAIT 2005\IEBand.dll
O4 - HKLM\..\Run: [IMJPMIG8.1] "E:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [PHIME2002ASync] E:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] E:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [IntelliPoint] "E:\Program Files\Microsoft IntelliPoint\point32.exe"
O4 - HKLM\..\Run: [RavTask] "F:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [StormCodec_Helper] "F:\Program Files\Ringz Studio\Storm Codec\StormSet.exe" /S /opti
O4 - HKLM\..\Run: [IMSCMig] E:\PROGRA~1\COMMON~1\MICROS~1\IME\IMSC40A\IMSCMIG.EXE /Preload
O4 - HKLM\..\Run: [Wopti Memory Defreg] F:\Program Files\windows 优化大师\WinMem.exe
O4 - HKLM\..\Run: [RfwMain] "F:\Program Files\Rising\Rfw\rfwmain.exe" -startup
O4 - HKLM\..\Run: [mmsk] F:\Program Files\木马杀客\mmsk.exe
O4 - HKLM\..\RunServices: [mmsk] F:\Program Files\木马杀客\mmsk.exe
O4 - HKLM\..\RunOnce: [RavStub] "F:\Program Files\Rising\Rav\ravstub.exe" /RUNONCE
O4 - HKCU\..\Run: [ctfmon.exe] E:\WINDOWS\system32\ctfmon.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: &使用迅雷下载 - F:\Program Files\Thunder Network\Thunder\Program\GetUrl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - F:\Program Files\Thunder Network\Thunder\Program\GetAllUrl.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - F:\Program Files\Tencent\qq\AddToNetDisk.htm
O8 - Extra context menu item: 导出到 Microsoft Office Excel(&X) - res://F:\PROGRA~1\MICROS~1\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: 添加到QQ自定义面板 - F:\Program Files\Tencent\qq\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - F:\Program Files\Tencent\qq\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - F:\Program Files\Tencent\qq\SendMMS.htm
O9 - Extra button: 信息检索 - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - F:\PROGRA~1\MICROS~1\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - F:\Program Files\Tencent\QQ\QQIEHelper.dll
O9 - Extra 'Tools' menuitem: QQ炫彩工具条设置 - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - F:\Program Files\Tencent\QQ\QQIEHelper.dll
O9 - Extra button: QQ自由人-QQ资料备份器 - {EEFF0EAB-8CDB-47CA-9C28-6C78C23550D2} - www.yapop.com (file missing)
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - E:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - E:\Program Files\Messenger\msmsgs.exe
O9 - Extra button: 访问瑞星网站 - {FF2DE7A6-ECB1-4CBC-9C0E-D92A9E66E444} - http://www.rising.com.cn/?u=RSTB (file missing)
O9 - Extra button: 访问卡卡社区 - {FF2DE7A6-ECB1-4CBC-9C0E-D92A9E66E445} - http://www.ikaka.com/?u=RSTB (file missing)
O16 - DPF: {0CA54D3F-CEAE-48AF-9A2B-31909CB9515D} (Edit Class) - https://www.sz1.cmbchina.com/download/CMBEdit.cab
O16 - DPF: {47B863BD-9069-43B1-A1BA-C7B73953697A} (SDD2MS Control) - http://www.p-tv.jp/kakin/tool/SDD2MS.CAB
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1148583184607
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1149789379062
O16 - DPF: {7253A666-8D4A-11D7-A4DC-00E04C504779} (HY Control) - http://langmanliao.008.net/BDC.cab
O23 - Service: kavsvc - Kaspersky Lab - F:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kavsvc.exe
O23 - Service: Logical Network Provisioning (Logical Network ) - Unknown owner - E:\WINDOWS\system32\cfgnte.com
O23 - Service: Rising Proxy Service (RfwProxySrv) - Beijing Rising Technology Co., Ltd. - f:\program files\rising\rfw\rfwproxy.exe
O23 - Service: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Co., Ltd. - F:\Program Files\Rising\Rfw\rfwsrv.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - F:\Program Files\Rising\Rav\CCenter.exe
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - F:\Program Files\Rising\Rav\Ravmond.exe
