O melhor é fazeres um novo scan.
Faz o seguinte, cria um novo perfil de utilizador e vê se funciona correctamente.
Ou ainda,
no perfil com problemas:
Descarrega e instala o HijackThis.
Usa o instalador (Installer) que cria as pastas apropriadas e coloca um ícone no ambiente de trabalho.
Arranca o programa usando esse ícone e clique no botão Do a system scan and save a logfile.
No final vai abrir um texto em Notepad. Copia esse texto e coloca-o aqui.
Aqui está o logfile:
Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 18:43:39, on 19-05-2011
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v9.00 (9.00.8112.16421)
Boot mode: Normal
Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\SYSTEM32\taskeng.exe
C:\Program Files\AVG\AVG8\avgtray.exe
C:\Program Files\SUPERAntiSpyware\SUPERAntiSpyware.exe
C:\Windows\ehome\ehtray.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\DVD Flick\dvdflick.exe
C:\Windows\system32\conime.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\DVD Flick\bin\ffmpeg.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\Windows\explorer.exe
C:\Program Files\Trend Micro\HiJackThis\HiJackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://www.planotecnologico.pt
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.google.pt/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://www.planotecnologico.pt
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page =
http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: (no name) - {0579B4B6-0293-4d73-B02D-5EBB0BA0F0A2} - C:\Program Files\AskSBar\SrchAstt\1.bin\A2SRCHAS.DLL
R3 - URLSearchHook: (no name) - {e0301295-ab3e-4af3-979f-3d453c5f9f48} - (no file)
R3 - URLSearchHook: (no name) - {b5d39f9d-9d08-4466-8f80-9873ed5124dd} - (no file)
R3 - URLSearchHook: (no name) - {a1e75a0e-4397-4ba8-bb50-e19fb66890f4} - (no file)
O2 - BHO: Ask Search Assistant BHO - {0579B4B1-0293-4d73-B02D-5EBB0BA0F0A2} - C:\Program Files\AskSBar\SrchAstt\1.bin\A2SRCHAS.DLL
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files\AVG\AVG8\avgssie.dll
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.1.1309.3572\swg.dll
O2 - BHO: Google Dictionary Compression sdch - {C84D72FE-E17D-4195-BB24-76C02E2E7C4E} - C:\Program Files\Google\Google Toolbar\Component\fastsearch_219B3E1547538286.dll
O3 - Toolbar: &Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar.dll
O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [uTorrent] "C:\Users\#srgio#.Optimus-PC\Desktop\uTorrent.exe"
O4 - HKCU\..\Run: [DpiS_ssp] rundll32 "C:\Users\#SRGIO~1.OPT\AppData\Local\Temp\chardt32.dll",CreateProcessNotify
O4 - HKCU\..\Run: [SUPERAntiSpyware] C:\Program Files\SUPERAntiSpyware\SUPERAntiSpyware.exe
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVIÇO LOCAL')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVIÇO LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'Serviço de rede')
O8 - Extra context menu item: E&xportar para o Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Enviar para &Bluetooth - C:\Program Files\Software WIDCOMM\Bluetooth\btsendto_ie_ctx.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0\bin\ssv.dll
O9 - Extra button: eBay - {76577871-04EC-495E-A12B-91F7C3600AFA} -
http://www.webtip.ch/cgi-bin/toshiba/tracker_url2.pl?PT (file missing)
O9 - Extra button:
Amazon.co.uk - {8A918C1D-E123-4E36-B562-5C1519E434CE} -
http://www.amazon.co.uk/exec/obidos/redirect-home?tag=zwame02-21&site=home (file missing)
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: eBay - {C08CAF1D-C0A3-40D5-9970-06D067EAC017} -
http://www.webtip.ch/cgi-bin/toshiba/tracker_url.pl?PT (file missing)
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics
O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Plugin Control) -
http://appldnld.apple.com.edgesuite.net/content.info.apple.com/QuickTime/qtactivex/qtplugin.cab
O16 - DPF: {3D3B42C2-11BF-4732-A304-A01384B70D68} (UploadListView Class) -
http://picasaweb.google.com.br/s/v/56.39/uploader2.cab
O16 - DPF: {4A85DBE0-BFB2-4119-8401-186A7C6EB653} -
http://messenger.zone.msn.com/MessengerGamesContent/GameContent/pt/mjss/MJSS.cab109791.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) -
http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) -
http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} -
http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O16 - DPF: {E77F23EB-E7AB-4502-8F37-247DBAF1A147} (Windows Live Hotmail Photo Upload Tool) -
http://gfx2.hotmail.com/mail/w4/pr01/photouploadcontrol/VistaMSNPUpldpt-pt.cab
O16 - DPF: {F5A7706B-B9C0-4C89-A715-7A0C6B05DD48} (Minesweeper Flags Class) -
http://messenger.zone.msn.com/binary/MineSweeper.cab56986.cab
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG8\avgpp.dll
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
O20 - AppInit_DLLs: avgrsstx.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\Windows\system32\browseui.dll
O23 - Service: Ati External Event Utility - ATI Technologies Inc. - C:\Windows\system32\Ati2evxx.exe
O23 - Service: Automatic CDROM Monitor - Unknown owner - C:\Windows\system32\SupportAppPT\ztemon_cd.exe
O23 - Service: AVG8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: Capture Device Service - InterVideo Inc. - C:\Program Files\Common Files\InterVideo\DeviceService\DevSvc.exe
O23 - Service: ConfigFree Service (CFSvcs) - TOSHIBA CORPORATION - C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: GtDetectSc - OptionNV - C:\Program Files\Kanguru\Kanguru\GtDetectSc.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Intel(R) Matrix Storage Event Monitor (IAANTMON) - Intel Corporation - C:\Program Files\Intel\Intel Matrix Storage Manager\IAANTMon.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: NMIndexingService - Unknown owner - C:\Program Files\Common Files\Ahead\Lib\NMIndexingService.exe (file missing)
O23 - Service: TOSHIBA Navi Support Service (TNaviSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TOSHIBA DVD PLAYER\TNaviSrv.exe
O23 - Service: TOSHIBA Optical Disc Drive Service (TODDSrv) - TOSHIBA Corporation - C:\Windows\system32\TODDSrv.exe
O23 - Service: TOSHIBA Power Saver (TosCoSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\Power Saver\TosCoSrv.exe
O23 - Service: TOSHIBA Bluetooth Service - Unknown owner - c:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtSrv.exe (file missing)
O23 - Service: Ulead Burning Helper (UleadBurningHelper) - Ulead Systems, Inc. - C:\Program Files\Common Files\Ulead Systems\DVD\ULCDRSvr.exe
--
End of file - 8650 bytes