Ciao, sul mio notebook con Win Vista e Avira all'avvio compare la finestra di Avira che segnala TR/PCK.Tdss.Z.282 TRojan sul File c:windows/system32/kbiwkmkoopeewi.dll, è selezionato deny access ma se lo clicco fa un beep e non succede niente, lo stesso se provo con move to quarantine, non ho provato ignore, come posso fare?, Grazie

In attesa degli esperti:

1.Scarica HijackThis da qui: http://software.aiutamici.com/software?ID=11175
2.Segui bene le istruzioni che ci sono nel link che ti ho postato
3.Posta qui il log che rilascia.

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Istruzioni malwarebytes:

segui bene queste istruzioni:

1.Disabilita il U.A.C. http://blog.aiutamici.com/post/2009/04/22/Disattivare-lUAC-in-Windows-Vista.aspx
2.Installa Malwarebytes' (sulla scheda ci sono tutte le istruzioni): http://software.aiutamici.com/software?ID=80346
3.Lo avvi come Amministratore (Tasto destro sull'icona di malwarebytes', Esegui come amministratore)
4.Aggiornalo
5.Esegui la scansione COMPLETA del tuo sistema
6.Se rileva qualcosa NON ELIMINARE NULLA ma posta qui il log che rilascerà

Ah...Scusa non avevo capito.

Prova questo: http://www.aiutamici.com/software?id=11243

O questo: http://www.geekissimo.com/2008/06/17/kaspersky-rescue-disk-un-nuovo-disco-gratuito-di-pronto-soccorso-per-il-pc/

Ciao

Sono riuscito a far partire qualcosa e hijackthis, ecco il log:
Logfile of HijackThis v1.99.1
Scan saved at 19.16.26, on 10/09/2009
Platform: Unknown Windows (WinNT 6.00.1905 SP1)
MSIE: Internet Explorer v8.00 (8.00.6001.18813)

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Windows\system32\conime.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Windows\System32\igfxtray.exe
C:\Windows\System32\hkcmd.exe
C:\Windows\System32\igfxpers.exe
C:\Windows\RtHDVCpl.exe
C:\Windows\PLFSetI.exe
C:\Program Files\Launch Manager\LManager.exe
C:\Program Files\Acer\Empowering Technology\eDataSecurity\x86\eDSLoader.exe
C:\Program Files\Acer\Empowering Technology\ePower\ePower_DMC.exe
C:\Program Files\Java\jre1.6.0_07\bin\jusched.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Microsoft Office\Office12\GrooveMonitor.exe
C:\Windows\ehome\ehtray.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Windows\ehome\ehmsas.exe
C:\Windows\system32\igfxsrvc.exe
C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\igfxext.exe
C:\Program Files\Acer\Empowering Technology\NotificationCenter\Framework.NotificationCenter.exe
C:\Users\lorenzo\AppData\Local\Temp\RtkBtMnt.exe
C:\Program Files\Synaptics\SynTP\SynTPHelper.exe
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Alice MOBILE\Alice MOBILE.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Windows\system32\wuauclt.exe
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Program Files\Avira\AntiVir Desktop\GUARDGUI.EXE
C:\Windows\system32\SearchFilterHost.exe
C:\Windows\system32\DllHost.exe
C:\Users\lorenzo\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://homepage.acer.com/rdr.aspx?b=ACAW&l=0410&s=2&o=vp32&d=1208&m=aspire_5735
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/webhp?sourceid=navclient&hl=it&ie=UTF-8
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://homepage.acer.com/rdr.aspx?b=ACAW&l=0410&s=2&o=vp32&d=1208&m=aspire_5735
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://homepage.acer.com/rdr.aspx?b=ACAW&l=0410&s=2&o=vp32&d=1208&m=aspire_5735
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: (no name) - {02478D38-C3F9-4efb-9B51-7695ECA05670} - (no file)
O2 - BHO: Supporto di collegamento per Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Skype add-on (mastermind) - {22BF413B-C6D2-4d91-82A9-A0F997BA588C} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\PROGRA~1\MICROS~2\Office12\GRA8E1~1.DLL
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O2 - BHO: ShowBarObj Class - {83A2F9B1-01A2-4AA5-87D1-45B6B8505E96} - C:\Program Files\Acer\Empowering Technology\eDataSecurity\x86\ActiveToolBand.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_A8904FB862BD9564.dll
O3 - Toolbar: Acer eDataSecurity Management - {5CBE3B7C-1E47-477e-A7DD-396DB0476E29} - C:\Program Files\Acer\Empowering Technology\eDataSecurity\x86\eDStoolbar.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [PLFSetI] C:\Windows\PLFSetI.exe
O4 - HKLM\..\Run: [LManager] C:\PROGRA~1\LAUNCH~1\LManager.exe
O4 - HKLM\..\Run: [eDataSecurity Loader] C:\Program Files\Acer\Empowering Technology\eDataSecurity\x86\eDSloader.exe
O4 - HKLM\..\Run: [ePower_DMC] C:\Program Files\Acer\Empowering Technology\ePower\ePower_DMC.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [ProductReg] "C:\Program Files\Acer\WR_PopUp\ProductReg.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_07\bin\jusched.exe"
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [GrooveMonitor] "C:\Program Files\Microsoft Office\Office12\GrooveMonitor.exe"
O4 - HKCU\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\PROGRA~1\Java\JRE16~1.0_0\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\PROGRA~1\Java\JRE16~1.0_0\bin\ssv.dll
O9 - Extra button: Invia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: I&nvia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra button: (no name) - {5067A26B-1337-4436-8AFE-EE169C2DA79F} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra 'Tools' menuitem: Skype add-on for Internet Explorer - {5067A26B-1337-4436-8AFE-EE169C2DA79F} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nlaapi.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\napinsp.dll
O11 - Options group: [INTERNATIONAL] International
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O13 - Gopher Prefix:
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/flashplayer/current/swflash.cab
O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - C:\PROGRA~1\MICROS~2\Office12\GR99D3~1.DLL
O18 - Protocol: ms-help - {314111C7-A502-11D2-BBCA-00C04F8EC294} - C:\Program Files\Common Files\Microsoft Shared\Help\hxds.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O18 - Filter hijack: text/xml - {807563E5-5146-11D5-A672-00B0D022E945} - C:\PROGRA~1\COMMON~1\MICROS~1\OFFICE12\MSOXMLMF.DLL
O18 - Filter: x-sdch - {B1759355-3EEC-4C1E-B0F1-B719FE26E377} - C:\Program Files\Google\Google Toolbar\Component\fastsearch_A8904FB862BD9564.dll
O20 - Winlogon Notify: igfxcui - C:\Windows\SYSTEM32\igfxdev.dll
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Communication Modem Device Manager II - Unknown owner - C:\Windows\system32\RegService.exe" -service (file missing)
O23 - Service: eDataSecurity Service - Egis Incorporated - C:\Program Files\Acer\Empowering Technology\eDataSecurity\x86\eDSService.exe
O23 - Service: @%SystemRoot%\ehome\ehstart.dll,-101 (ehstart) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: Empowering Technology Service (ETService) - Unknown owner - C:\Program Files\Acer\Empowering Technology\Service\ETService.exe
O23 - Service: @gpapi.dll,-112 (gpsvc) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: Servizio di Google Update (gupdate1ca26d8ef9d70) (gupdate1ca26d8ef9d70) - Unknown owner - C:\Program Files\Google\Update\GoogleUpdate.exe" /svc (file missing)
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: MobilityService - Unknown owner - C:\Acer\Mobility Center\MobilityService.exe
O23 - Service: ONDA Autorun CDROM Monitor - Unknown owner - C:\Windows\system32\SupportAppXL\onda_mon.exe
O23 - Service: @%SystemRoot%\system32\qwave.dll,-1 (QWAVE) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: SBSD Security Center Service (SBSDWSCService) - Safer Networking Ltd. - C:\Program Files\Spybot - Search & Destroy\SDWinSec.exe
O23 - Service: @%SystemRoot%\system32\seclogon.dll,-7001 (seclogon) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: @%ProgramFiles%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - %ProgramFiles%\Windows Media Player\wmpnetwk.exe (file missing)

Hai installato una versione molto vecchia di HJT.
E appena puoi, installa l'ultima versione.
Comunque cerca di fare una scansione con Malwarebytes. (eseguilo come Amministratore)
E posta il log.