Randomly HD lost? weird!!

and here is the log...

Logfile of Trend Micro HijackThis v2.0.2

Scan saved at 11:41:13, on 2008-2-9

Platform: Windows XP SP2 (WinNT 5.01.2600)

MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Boot mode: Normal

Running processes:

C:\WINDOWS\System32\smss[Caution: Executable File]

C:\WINDOWS\system32\winlogon[Caution: Executable File]

C:\WINDOWS\system32\services[Caution: Executable File]

C:\WINDOWS\system32\lsass[Caution: Executable File]

C:\WINDOWS\system32\svchost[Caution: Executable File]

C:\WINDOWS\System32\svchost[Caution: Executable File]

C:\WINDOWS\system32\ZoneLabs\vsmon[Caution: Executable File]

C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice[Caution: Executable File]

C:\WINDOWS\Explorer[Caution: Executable File]

C:\WINDOWS\system32\spoolsv[Caution: Executable File]

C:\Program Files\Microsoft IntelliPoint\ipoint[Caution: Executable File]

C:\PROGRA~1\Grisoft\AVG7\avgcc[Caution: Executable File]

C:\Program Files\Zone Labs\ZoneAlarm\zlclient[Caution: Executable File]

C:\Program Files\360Safebox\safeboxTray[Caution: Executable File]

C:\Program Files\360safe\safemon\360tray[Caution: Executable File]

C:\Program Files\Java\jre1.6.0_03\bin\jusched[Caution: Executable File]

C:\Program Files\Common Files\Real\Update_OB\realsched[Caution: Executable File]

C:\WINDOWS\system32\ctfmon[Caution: Executable File]

C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService[Caution: Executable File]

C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard[Caution: Executable File]

C:\Program Files\Spybot - Search & Destroy\TeaTimer[Caution: Executable File]

C:\Program Files\Windows Media Player\WMPNSCFG[Caution: Executable File]

C:\PROGRA~1\Grisoft\AVG7\avgamsvr[Caution: Executable File]

C:\PROGRA~1\Grisoft\AVG7\avgupsvc[Caution: Executable File]

C:\PROGRA~1\Grisoft\AVG7\avgemc[Caution: Executable File]

C:\WINDOWS\eHome\ehRecvr[Caution: Executable File]

C:\WINDOWS\eHome\ehSched[Caution: Executable File]

C:\WINDOWS\System32\svchost[Caution: Executable File]

C:\Program Files\Common Files\LightScribe\LSSrvc[Caution: Executable File]

C:\WINDOWS\system32\nvsvc32[Caution: Executable File]

C:\Program Files\SiteAdvisor\6253\SAService[Caution: Executable File]

C:\WINDOWS\system32\svchost[Caution: Executable File]

C:\Program Files\Viewpoint\Common\ViewpointService[Caution: Executable File]

C:\WINDOWS\system32\mqsvc[Caution: Executable File]

C:\Program Files\Hewlett-Packard\Shared\hpqwmiex[Caution: Executable File]

C:\WINDOWS\system32\mqtgsvc[Caution: Executable File]

C:\WINDOWS\system32\dllhost[Caution: Executable File]

C:\Program Files\Thunder Network\Thunder\Program\Thunder5[Caution: Executable File]

C:\Program Files\Mozilla Firefox\firefox[Caution: Executable File]

C:\Program Files\Trend Micro\HijackThis\HijackThis[Caution: Executable File]

O2 - BHO: QQCycloneHelper - {00000000-12C9-4305-82F9-43058F20E8D2} - C:\Program Files\Tencent\QQDownload\QQIEHelper01.dll

O2 - BHO: Thunder AtOnce - {01443AEC-0FD1-40fd-9C87-E93D1494C233} - C:\Program Files\Thunder Network\Thunder\ComDlls\TDAtOnce_Now.dll

O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll

O2 - BHO: (no name) - {089FD14D-132B-48FC-8861-0048AE113215} - C:\Program Files\SiteAdvisor\6253\SiteAdv.dll

O2 - BHO: BitComet ClickCapture - {39F7E362-828A-4B5A-BCAF-5B79BFDFEA60} - C:\Program Files\BitComet\tools\BitCometBHO_1.1.9.24.dll

O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll

O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll

O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)

O2 - BHO: ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - C:\Program Files\Thunder Network\Thunder\ComDlls\xunleiBHO_Now.dll

O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll

O2 - BHO: SafeMon Class - {B69F34DD-F0F9-42DC-9EDD-957187DA688D} - C:\Program Files\360safe\safemon\safemon.dll

O3 - Toolbar: McAfee SiteAdvisor - {0BF43445-2F28-4351-9252-17FE6E806AA0} - C:\Program Files\SiteAdvisor\6253\SiteAdv.dll

O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32[Caution: Executable File] C:\WINDOWS\system32\NvCpl.dll,NvStartup

O4 - HKLM\..\Run: [RecGuard] C:\Windows\SMINST\RecGuard[Caution: Executable File]

O4 - HKLM\..\Run: [intelliPoint] "C:\Program Files\Microsoft IntelliPoint\ipoint[Caution: Executable File]"

O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc[Caution: Executable File] /STARTUP

O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient[Caution: Executable File]"

O4 - HKLM\..\Run: [360Safebox] "C:\Program Files\360Safebox\safeboxTray[Caution: Executable File]" /r

O4 - HKLM\..\Run: [360Safetray] C:\Program Files\360safe\safemon\360tray[Caution: Executable File] /start

O4 - HKLM\..\Run: [sunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_03\bin\jusched[Caution: Executable File]"

O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched[Caution: Executable File]" -osboot

O4 - HKCU\..\Run: [ctfmon[Caution: Executable File]] C:\WINDOWS\system32\ctfmon[Caution: Executable File]

O4 - HKCU\..\Run: [spybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer[Caution: Executable File]

O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG[Caution: Executable File]

O4 - HKUS\S-1-5-19\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw[Caution: Executable File] /RUNONCE (User 'LOCAL SERVICE')

O4 - HKUS\S-1-5-20\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw[Caution: Executable File] /RUNONCE (User 'NETWORK SERVICE')

O4 - HKUS\S-1-5-18\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw[Caution: Executable File] /RUNONCE (User 'SYSTEM')

O4 - HKUS\.DEFAULT\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw[Caution: Executable File] /RUNONCE (User 'Default user')

O4 - .DEFAULT User Startup: Vongo Tray.lnk = C:\Program Files\Vongo\Tray[Caution: Executable File] (User 'Default user')

O8 - Extra context menu item: &D&ownload &with BitComet - res://C:\Program Files\BitComet\BitComet[Caution: Executable File]/AddLink.htm

O8 - Extra context menu item: &D&ownload all video with BitComet - res://C:\Program Files\BitComet\BitComet[Caution: Executable File]/AddVideo.htm

O8 - Extra context menu item: &D&ownload all with BitComet - res://C:\Program Files\BitComet\BitComet[Caution: Executable File]/AddAllLink.htm

O8 - Extra context menu item: &ÃÆäÃâýÃâÿÃÆçâââ¬Ã