下面是hijackthis日志:

Logfile of HijackThis v1.99.1
Scan saved at 10:27:46, on 06-8-15
Platform: Windows 98 SE (Win9x 4.10.2222A)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\INTERNAT.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\WINDOWS\SYSTEM\RNAAPP.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
E:\TT\TTRAVELER.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\WINDOWS\DESKTOP\HIJACKTHIS.EXE

O4 - HKLM\..\Run: [internat.exe] internat.exe
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O8 - Extra context menu item: 添加到QQ表情 - D:\TENCENT\QQGAME\QQ\AddEmotion.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\TENCENT\QQGAME\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 导出到 Microsoft Excel(&x) - res://D:\MICROS~1\OFFICE10\EXCEL.EXE/3000
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: QQ自由人-QQ资料备份器 - {EEFF0EAB-8CDB-47CA-9C28-6C78C23550D2} - www.yapop.com (file missing)
O9 - Extra button: QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - d:\Tencent\QQ\QQ.EXE (file missing)
O9 - Extra 'Tools' menuitem: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - d:\Tencent\QQ\QQ.EXE (file missing)
O18 - Protocol: http - {79EAC9E2-BAF9-11CE-8C82-00AA004BA90B} - C:\WINDOWS\SYSTEM\urlmon.dll
O18 - Protocol: ftp - {79EAC9E3-BAF9-11CE-8C82-00AA004BA90B} - C:\WINDOWS\SYSTEM\urlmon.dll
O18 - Protocol: gopher - {79EAC9E4-BAF9-11CE-8C82-00AA004BA90B} - C:\WINDOWS\SYSTEM\urlmon.dll
O18 - Protocol: https - {79EAC9E5-BAF9-11CE-8C82-00AA004BA90B} - C:\WINDOWS\SYSTEM\urlmon.dll
O18 - Protocol: mk - {79EAC9E6-BAF9-11CE-8C82-00AA004BA90B} - C:\WINDOWS\SYSTEM\urlmon.dll
O18 - Protocol: file - {79EAC9E7-BAF9-11CE-8C82-00AA004BA90B} - C:\WINDOWS\SYSTEM\urlmon.dll
O18 - Protocol: local - {79EAC9E7-BAF9-11CE-8C82-00AA004BA90B} - C:\WINDOWS\SYSTEM\urlmon.dll
O18 - Protocol: cdl - {3DD53D40-7B8B-11D0-B013-00AA0059CE02} - C:\WINDOWS\SYSTEM\urlmon.dll
O18 - Protocol: javascript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\SYSTEM\MSHTML.DLL
O18 - Protocol: vbscript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\SYSTEM\MSHTML.DLL
O18 - Protocol: about - {3050F406-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\SYSTEM\MSHTML.DLL
O18 - Protocol: res - {3050F3BC-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\SYSTEM\MSHTML.DLL
O18 - Protocol: mailto - {3050F3DA-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\SYSTEM\MSHTML.DLL
O18 - Protocol: sysimage - {76E67A63-06E9-11D2-A840-006008059382} - C:\WINDOWS\SYSTEM\MSHTML.DLL
O18 - Protocol: its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - C:\WINDOWS\SYSTEM\ITSS.DLL
O18 - Protocol: ms-its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - C:\WINDOWS\SYSTEM\ITSS.DLL
O18 - Protocol: msdaipp - (no CLSID) - (no file)
O18 - Protocol: vnd.ms.radio - {3DA2AA3B-3D96-11D2-9BD2-204C4F4F5020} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O18 - Protocol: cdo - {CD00020A-8B95-11D1-82DB-00C04FB1625D} - C:\Program Files\Common Files\Microsoft Shared\Web Folders\PKMCDO.DLL