ciao a tutti ho due problemi ....primo non riesco ad eliminare " fbdownloader."da google crome come pagina di avvio
.....inoltre il pc èdiventato lento in apertura programmi ed internet,
allego file log hijack se riuscite a capirci .....vi ringrazio




Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 22.55.49, on 17/11/2012
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\PROGRA~1\AVG\AVG2012\avgrsx.exe
C:\Programmi\AVG\AVG2012\avgcsrvx.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\Programmi\IObit\Advanced SystemCare 5\ASCService.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\IObit\IObit Malware Fighter\IMFsrv.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\AVG\AVG2012\avgwdsvc.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\Programmi\Google\Update\GoogleUpdate.exe
C:\Programmi\AVG\AVG2012\avgnsx.exe
C:\Programmi\SRS Labs\SRS Premium Sound\SRS_VolSync.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\AVG\AVG2012\avgemcx.exe
C:\Programmi\File comuni\AVG Secure Search\vToolbarUpdater\13.2.0\ToolbarUpdater.exe
C:\Programmi\AVG\AVG2012\AVGIDSAgent.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\Programmi\AVG\AVG2012\avgtray.exe
C:\WINDOWS\RTHDCPL.EXE
C:\Programmi\AVG Secure Search\vprot.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Skype\Phone\Skype.exe
C:\Programmi\IObit\Advanced SystemCare 5\ASCTray.exe
C:\Programmi\IObit\IObit Malware Fighter\IMF.exe
C:\Documents and Settings\ro\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Documents and Settings\ro\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\ro\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\ro\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\ro\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\ro\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\ro\Documenti\Downloads\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://arianna.libero.it
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
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 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://go.microsoft.com/fwlink/?LinkId=74005
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Supporto di collegamento per Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Programmi\AVG\AVG2012\avgssie.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\Programmi\Microsoft Office\Office12\GrooveShellExtensions.dll
O2 - BHO: Guida per l'accesso a Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programmi\File comuni\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: AVG Security Toolbar - {95B7759C-8C7F-4BF1-B163-73684A933233} - C:\Programmi\AVG Secure Search\13.2.0.5\AVG Secure Search_toolbar.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Programmi\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Programmi\Google\GoogleToolbarNotifier\5.7.7529.1424\swg.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programmi\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Programmi\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: AVG Security Toolbar - {95B7759C-8C7F-4BF1-B163-73684A933233} - C:\Programmi\AVG Secure Search\13.2.0.5\AVG Secure Search_toolbar.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Programmi\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [SynAsusAcpi] C:\Programmi\Synaptics\SynTP\SynAsusAcpi.exe
O4 - HKLM\..\Run: [AVG_TRAY] "C:\Programmi\AVG\AVG2012\avgtray.exe"
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [vProt] "C:\Programmi\AVG Secure Search\vprot.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Programmi\File comuni\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [IObit Malware Fighter] "C:\Programmi\IObit\IObit Malware Fighter\IMF.exe" /autostart
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Skype] "C:\Programmi\Skype\Phone\Skype.exe" /minimized /regrun
O4 - HKCU\..\Run: [Advanced SystemCare 5] "C:\Programmi\IObit\Advanced SystemCare 5\ASCTray.exe" /AutoStart
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O9 - Extra button: Inserisci blog - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: Inserisci &blog in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Invia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: I&nvia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - C:\Programmi\Microsoft Office\Office12\GrooveSystemServices.dll
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Programmi\AVG\AVG2012\avgpp.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FILECO~1\Skype\SKYPE4~1.DLL
O18 - Protocol: viprotocol - {B658800C-F66E-4EF3-AB85-6C0C227862A9} - C:\Programmi\File comuni\AVG Secure Search\ViProtocolInstaller\13.2.0\ViProtocol.dll
O22 - SharedTaskScheduler: Precaricatore Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Daemon di cache delle categorie di componenti - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll
O23 - Service: Adobe Flash Player Update Service (AdobeFlashPlayerUpdateSvc) - Adobe Systems Incorporated - C:\WINDOWS\system32\Macromed\Flash\FlashPlayerUpdateService.exe
O23 - Service: Advanced SystemCare Service 5 (AdvancedSystemCareService5) - IObit - C:\Programmi\IObit\Advanced SystemCare 5\ASCService.exe
O23 - Service: AVGIDSAgent - AVG Technologies CZ, s.r.o. - C:\Programmi\AVG\AVG2012\AVGIDSAgent.exe
O23 - Service: AVG WatchDog (avgwd) - AVG Technologies CZ, s.r.o. - C:\Programmi\AVG\AVG2012\avgwdsvc.exe
O23 - Service: Servizio di Google Update (gupdate) (gupdate) - Google Inc. - C:\Programmi\Google\Update\GoogleUpdate.exe
O23 - Service: Servizio Google Update (gupdatem) (gupdatem) - Google Inc. - C:\Programmi\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: IMF Service (IMFservice) - IObit - C:\Programmi\IObit\IObit Malware Fighter\IMFsrv.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: Skype Updater (SkypeUpdate) - Skype Technologies - C:\Programmi\Skype\Updater\Updater.exe
O23 - Service: SRS Volume Sync Service (SRS_VolSync_Service) - SRS Labs, Inc. - C:\Programmi\SRS Labs\SRS Premium Sound\SRS_VolSync.exe
O23 - Service: vToolbarUpdater13.2.0 - Unknown owner - C:\Programmi\File comuni\AVG Secure Search\vToolbarUpdater\13.2.0\ToolbarUpdater.exe

--
End of file - 9507 bytes

Ciao, il log non presenta problemi, devi aggiornare AVG all'ultima versione lo puoi fare dal programma stesso togli la spunta da Installa AVG Security Toolbar (scelta consigliata) non serve a niente.

Poi Scarica Adwcleaner sul desktop:
http://general-changelog-team.fr/en/downloads/finish/20-outils-de-xplode/2-adwcleaner
Avvialo e clicca sul pulsante "Elimina".
Conferma con OK le varie finestre che ti compariranno.
Il pc si riavvierà, e uscirà il log con le eliminazioni.
Postalo qui.

Poi installa Malwarebytes QUI lo devi aggiornare e poi fai una scansione COMPLETA non veloce, elimina quello che trova, posta il suo log.
In Chrome reimposta la pagina iniziale è consigliabile lasciare Google.
Fai le pulizie con Ccleaner compreso il Registro, svuota la cache del browser, tieni deframmentato il disco.
Fai sapere coma va il pc.

aggiungo log nmalwarebytes


Malwarebytes Anti-Malware (Prova) 1.65.1.1000
www.malwarebytes.org

Versione database: v2012.11.17.05

Windows XP Service Pack 3 x86 NTFS
Internet Explorer 8.0.6001.18702
ro :: ROSANNA [amministratore]

Protezione: Attivata

17/11/2012 23.00.28
mbam-log-2012-11-17 (23-00-28).txt

Tipo di scansione: Scansione completa (C:\|D:\|)
Opzioni di scansione attive: Memoria | Esecuzione automatica | Registro | File di sistema | Euristica/Extra | Euristica/Shuriken | PUP | PUM
Opzioni di scansione disattivate: P2P
Elementi esaminati: 92036
Tempo impiegato: 2 ore, 24 secondi [interrotto]

Processi rilevati in memoria: 0
(non sono stati rilevati elementi nocivi)

Moduli di memoria rilevati: 0
(non sono stati rilevati elementi nocivi)

Chiavi di registro rilevate: 0
(non sono stati rilevati elementi nocivi)

Valori di registro rilevati: 0
(non sono stati rilevati elementi nocivi)

Voci rilevate nei dati di registro: 0
(non sono stati rilevati elementi nocivi)

Cartelle rilevate: 0
(non sono stati rilevati elementi nocivi)

File rilevati: 1
C:\Documents and Settings\ro\Documenti\avidemux_2.5_r7200_win32.exe (PUP.OfferBundler.ST) -> Spostato in quarantena ed eliminato con successo.

(fine)