我的电脑两次一开机就提示“刚从一个严重错误中恢复”，还有没打开网页也会弹出一个广告栏
日志如下
Logfile of HijackThis v1.99.1
Scan saved at 15:57:22, on 2006-4-5
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\savedump.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\LEXBCES.EXE
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\LSASS.exe
C:\Program Files\ZarvaSoft\Smart Update Utility\Ahnsdsv.exe
C:\Program Files\P4P\p2psvr.exe
C:\WINDOWS\system32\ntvdm.exe
C:\WINDOWS\System32\conime.exe
C:\Program Files\ZarvaSoft\Smart Update Utility\AhnSD.exe
C:\WINDOWS\System32\hkcmd.exe
G:\瑞星安装\Rising\Rising\Rav\RavTask.exe
C:\WINDOWS\System32\ctfmon.exe
C:\WINDOWS\System32\igfxtray.exe
C:\WINDOWS\AutoUp.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
G:\ha_hijackthis_1991\HijackThis.exe

R3 - URLSearchHook: MyURLSearchHook Class - {982CB676-38F0-4D9A-BB72-D9371ABE876E} - C:\Program Files\P4P\ToolBar.dll
R3 - URLSearchHook: SgUrlSearHook Class - {BAB1AC41-6FF7-4F2E-A04E-5C592CCFEA7D} - C:\WINDOWS\System32\socul.dll
O1 - Hosts: IP 1106.net
O2 - BHO: ThunderIEHelper - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\System32\xunleibho_v13.dll
O2 - BHO: SohuDAIEHelper - {0CA51D02-7739-43EA-8D9A-1E8AD4327B03} - C:\Program Files\P4P\sodaie.dll
O2 - BHO: yPhtb - {33BBE430-0E42-4f12-B075-8D21ACB10DCB} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yphtb.dll (file missing)
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - D:\五笔加加\QQ安装\QQIEHelper.dll
O2 - BHO: YDragSearch - {62EED7C6-9F02-42f9-B634-98E2899E147B} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\YDRAGS~1.DLL (file missing)
O2 - BHO: sogou autolink - {8AB8528F-AC8B-416D-9B84-92D97729C195} - C:\Program Files\P4P\autolink.dll
O2 - BHO: IeCatch2 Class - {A5366673-E8CA-11D3-9CD9-0090271D075B} - C:\PROGRA~1\FLASHGET\jccatch.dll
O3 - Toolbar: 电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: 捜狗直通车 - {DBBB7978-AF21-4EF4-9AD1-B2F4BC75696C} - C:\Program Files\P4P\ToolBar.dll
O3 - Toolbar: 卡卡上网安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\WINDOWS\System32\kakatool.dll
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: [IgfxTray] C:\WINDOWS\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [AHNSD] "C:\Program Files\ZarvaSoft\Smart Update Utility\AhnSD.exe"
O4 - HKLM\..\Run: [YDTMain.exe] C:\PROGRA~1\YDT\YDTMain.exe
O4 - HKLM\..\Run: [internat.exe] internat.exe
O4 - HKLM\..\Run: [] regedit -s C:\$NtUninstallQ5926809$\sp4custom.dll
O4 - HKLM\..\Run: [RavTask] "G:\瑞星安装\Rising\Rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [3721] C:\$NtUninstallQ5926809$\3721.bat
O4 - HKLM\..\Run: [ToP] C:\WINDOWS\LSASS.exe
O4 - HKLM\..\RunOnce: [dwMyTest] LOADHW.EXE
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [] regedit -s C:\$NtUninstallQ5926809$\sp4custom.dll
O4 - HKCU\..\Run: [3721] C:\$NtUninstallQ5926809$\3721.bat
O8 - Extra context menu item: &使用迅雷下载 - G:\迅雷\geturl.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\五笔加加\QQ安装\AddToNetDisk.htm
O8 - Extra context menu item: 使用网际快车下载 - C:\Program Files\FlashGet\jc_link.htm
O8 - Extra context menu item: 使用网际快车下载全部链接 - C:\Program Files\FlashGet\jc_all.htm
O9 - Extra button: 我的订阅 - {8755CE6E-0BF7-4441-8751-FB728941B0B4} - C:\Program Files\P4P\rss.dll
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
O16 - DPF: {D0A29C6C-AA71-4423-8C4A-5998B774C448} (IEDown Class) - http://download.ourgame.com/IEDown4.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{11B2B2C6-0FF1-497F-A957-09E95BB78D6B}: NameServer = 202.96.64.68,202.96.75.68
O20 - AppInit_DLLs: KB2357801.LOG
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O21 - SSODL: DLMon - {590498A3-4131-4D8F-BA4B-36791A0803B1} - C:\WINDOWS\System32\DLMain.dll (file missing)
O23 - Service: Ahnlab Task Scheduler - AhnLab, Inc. - C:\Program Files\ZarvaSoft\Smart Update Utility\Ahnsdsv.exe
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\system32\LEXBCES.EXE
O23 - Service: P4P Service - Sohu.com Inc. - C:\Program Files\P4P\p2psvr.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - G:\瑞星安装\Rising\Rising\Rav\CCenter.exe
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - G:\瑞星安装\Rising\Rising\Rav\Ravmond.exe