Buonasera
cortesemente qualcuno esperto potrebbe darmi uno sguardo e dirmi se esistono problemi...il mio pc accusa un alentezza esasperante in avvio. Grazie in anticipo
Fab

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 21:46:38, on 04/04/2016
Platform: Windows 7 SP1 (WinNT 6.00.3505)
MSIE: Internet Explorer v11.0 (11.00.9600.17840)
Boot mode: Normal

Running processes:
C:\Program Files (x86)\NVIDIA Corporation\Update Core\NvBackend.exe
C:\GTItaliaRaceSystem2\X_GTItaliaRS2.exe
C:\Program Files (x86)\PowerISO\PWRISOVM.EXE
C:\Program Files\AVAST Software\Avast\avastui.exe
C:\Program Files (x86)\EPSON Software\Event Manager\EEventManager.exe
C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe
C:\Program Files (x86)\EPSON\MyEpson Portal\mep.exe
C:\Program Files (x86)\HTC\HTC Sync Manager\HTC Sync\adb.exe
C:\Program Files (x86)\Samsung\Remote PC\rvagtray.exe
C:\Windows\SysWOW64\rundll32.exe
C:\Program Files (x86)\Mozilla Firefox\firefox.exe
C:\Program Files\AVAST Software\Avast\avastui.exe
C:\Program Files (x86)\Trend Micro\HiJackThis\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = https://it.yahoo.com?fr=hp-avast&type=tdc905
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://it.yhs4.search.yahoo.com/yhs/search?type=tdc905&hspart=avast&hsimp=yhs-001&p={searchTerms}
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://search.findeer.com/?h=BA510129C0A2FA1FC37B6E2A1A2CB6782FB65B9441EAD1C3CDA96787B5C0BCE8A411B06E2D0344DB95C91EDA18690429297DB563A0DBCCEDCC34634573650F7B&g=55dc1156-558a-4b91-b0a3-2c54a1e26a56&c=323132&s=
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 = https://it.yahoo.com?fr=hp-avast&type=tdc905
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\Windows\SysWOW64\blank.htm
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = socks=localhost:9050
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: E-Web Print - {201CF130-E29C-4E5C-A73F-CD197DEFA6AE} - C:\Program Files (x86)\Epson Software\E-Web Print\ewps_tb.dll
O2 - BHO: (no name) - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - (no file)
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files (x86)\Java\jre1.8.0_77\bin\ssv.dll
O2 - BHO: avast! Online Security - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - C:\Program Files\AVAST Software\Avast\aswWebRepIE.dll
O2 - BHO: SkypeIEPluginBHO - {AE805869-2E5C-4ED4-8F7B-F1F7851A4497} - C:\Program Files (x86)\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files (x86)\Java\jre1.8.0_77\bin\jp2ssv.dll
O3 - Toolbar: E-Web Print - {201CF130-E29C-4E5C-A73F-CD197DEFA6AE} - C:\Program Files (x86)\Epson Software\E-Web Print\ewps_tb.dll
O4 - HKLM\..\Run: [HDAudDeck] C:\Program Files (x86)\VIA\VIAudioi\VDeck\VDeck.exe -r
O4 - HKLM\..\Run: [PWRISOVM.EXE] C:\Program Files (x86)\PowerISO\PWRISOVM.EXE
O4 - HKLM\..\Run: [AvastUI.exe] "C:\Program Files\AVAST Software\Avast\AvastUI.exe" /nogui
O4 - HKLM\..\Run: [EEventManager] "C:\Program Files (x86)\Epson Software\Event Manager\EEventManager.exe"
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files (x86)\AMD\ATI.ACE\Core-Static\amd64\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [RemoteView5 Tray] "C:\Program Files (x86)\Samsung\Remote PC\rvagtray.exe" /background
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe"
O4 - HKCU\..\Run: [CCleaner Monitoring] "C:\Program Files\CCleaner\CCleaner64.exe" /MONITOR
O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVIZIO DI RETE')
O4 - Global Startup: GTItalia Race System 2 - Auto Update.lnk = C:\GTItaliaRaceSystem2\GTItaliaRS2.exe
O8 - Extra context menu item: &Download by Orbit - res://C:\Program Files (x86)\Orbitdownloader\orbitmxt.dll/201
O8 - Extra context menu item: &Grab video by Orbit - res://C:\Program Files (x86)\Orbitdownloader\orbitmxt.dll/204
O8 - Extra context menu item: Do&wnload selected by Orbit - res://C:\Program Files (x86)\Orbitdownloader\orbitmxt.dll/203
O8 - Extra context menu item: Down&load all by Orbit - res://C:\Program Files (x86)\Orbitdownloader\orbitmxt.dll/202
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~2\MICROS~1\Office12\EXCEL.EXE/3000
O9 - Extra button: Invia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~2\MICROS~1\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: I&nvia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~2\MICROS~1\Office12\ONBttnIE.dll
O9 - Extra button: Skype Click to Call settings - {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - C:\Program Files (x86)\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~2\MICROS~1\OFFICE11\REFIEBAR.DLL
O10 - Unknown file in Winsock LSP: c:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll
O10 - Unknown file in Winsock LSP: c:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll
O16 - DPF: {0067DBFC-A752-458C-AE6E-B9C7E63D4824} - http://www.logitech.com/devicedetector/plugins/LogitechDeviceDetection32.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~2\COMMON~1\Skype\SKYPE4~1.DLL
O18 - Protocol: skypec2c - {91774881-D725-4E58-B298-07617B9B86A8} - C:\Program Files (x86)\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files (x86)\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Adobe Flash Player Update Service (AdobeFlashPlayerUpdateSvc) - Adobe Systems Incorporated - C:\Windows\SysWOW64\Macromed\Flash\FlashPlayerUpdateService.exe
O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing)
O23 - Service: AMD External Events Utility - Unknown owner - C:\Windows\system32\atiesrxx.exe (file missing)
O23 - Service: Avast Antivirus (avast! Antivirus) - AVAST Software - C:\Program Files\AVAST Software\Avast\AvastSvc.exe
O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - C:\Windows\System32\lsass.exe (file missing)
O23 - Service: Epson Scanner Service (EpsonScanSvc) - Unknown owner - C:\Windows\system32\EscSvc64.exe (file missing)
O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - C:\Windows\system32\fxssvc.exe (file missing)
O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - C:\Program Files (x86)\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: NVIDIA GeForce Experience Service (GfExperienceService) - NVIDIA Corporation - C:\Program Files\NVIDIA Corporation\GeForce Experience Service\GfExperienceService.exe
O23 - Service: Servizio di Google Update (gupdate) (gupdate) - Google Inc. - C:\Program Files (x86)\Google\Update\GoogleUpdate.exe
O23 - Service: Servizio Google Update (gupdatem) (gupdatem) - Google Inc. - C:\Program Files (x86)\Google\Update\GoogleUpdate.exe
O23 - Service: HTCMonitorService - Nero AG - C:\Program Files (x86)\HTC\HTC Sync Manager\HSMServiceEntry.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files (x86)\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: @%SystemRoot%\system32\ieetwcollectorres.dll,-1000 (IEEtwCollectorService) - Unknown owner - C:\Windows\system32\IEEtwCollector.exe (file missing)
O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: MBAMService - Malwarebytes Corporation - C:\Program Files (x86)\Malwarebytes Anti-Malware\mbamservice.exe
O23 - Service: Mozilla Maintenance Service (MozillaMaintenance) - Mozilla Foundation - C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing)
O23 - Service: MSI_LiveUpdate_Service - Micro-Star International - C:\Program Files (x86)\MSI\Live Update\MSI_LiveUpdate_Service.exe
O23 - Service: MyEpson Portal Service - SEIKO EPSON CORPORATION - C:\Program Files (x86)\EPSON\MyEpson Portal\mepService.exe
O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: NVIDIA Network Service (NvNetworkService) - NVIDIA Corporation - C:\Program Files (x86)\NVIDIA Corporation\NetService\NvNetworkService.exe
O23 - Service: NVIDIA Streamer Network Service (NvStreamNetworkSvc) - NVIDIA Corporation - C:\Program Files\NVIDIA Corporation\NvStreamSrv\NvStreamNetworkService.exe
O23 - Service: NVIDIA Streamer Service (NvStreamSvc) - NVIDIA Corporation - C:\Program Files\NVIDIA Corporation\NvStreamSrv\NvStreamService.exe
O23 - Service: NVIDIA Display Driver Service (nvsvc) - Unknown owner - C:\Windows\system32\nvvsvc.exe (file missing)
O23 - Service: PAExec - Power Admin LLC - C:\Windows\PAExec.exe
O23 - Service: Internet Pass-Through Service (PassThru Service) - Unknown owner - C:\Program Files (x86)\HTC\Internet Pass-Through\PassThruSvr.exe
O23 - Service: @%systemroot%\system32\psbase.dll,-300 (ProtectedStorage) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: Realtek8185 - Realtek - C:\Program Files (x86)\Realtek\RTL8185 Wireless LAN Utility\RtlService.exe
O23 - Service: Reimage Real Time Protector (ReimageRealTimeProtector) - Reimage® - C:\Program Files\Reimage\Reimage Protector\ReiGuard.exe
O23 - Service: RemotePC Agent - Rsupport Co., Ltd. - C:\Program Files (x86)\Samsung\Remote PC\rvagent.exe
O23 - Service: @%systemroot%\system32\Locator.exe,-2 (RpcLocator) - Unknown owner - C:\Windows\system32\locator.exe (file missing)
O23 - Service: @%SystemRoot%\system32\samsrv.dll,-1 (SamSs) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: Skype Updater (SkypeUpdate) - Skype Technologies - C:\Program Files (x86)\Skype\Updater\Updater.exe
O23 - Service: @%SystemRoot%\system32\snmptrap.exe,-3 (SNMPTRAP) - Unknown owner - C:\Windows\System32\snmptrap.exe (file missing)
O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Unknown owner - C:\Windows\System32\spoolsv.exe (file missing)
O23 - Service: @%SystemRoot%\system32\sppsvc.exe,-101 (sppsvc) - Unknown owner - C:\Windows\system32\sppsvc.exe (file missing)
O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files (x86)\Common Files\Steam\SteamService.exe
O23 - Service: NVIDIA Stereoscopic 3D Driver Service (Stereo Service) - NVIDIA Corporation - C:\Program Files (x86)\NVIDIA Corporation\3D Vision\nvSCPAPISvr.exe
O23 - Service: TwonkyMedia - PacketVideo - C:\Program Files (x86)\TwonkyMedia\twonkymediaserverwatchdog.exe
O23 - Service: @%SystemRoot%\system32\ui0detect.exe,-101 (UI0Detect) - Unknown owner - C:\Windows\system32\UI0Detect.exe (file missing)
O23 - Service: UltraZip Service (uzsvc) - Unknown owner - C:\Program Files (x86)\UltraZip\uzsvc.exe
O23 - Service: UltraZip Updater (uzupd) - Unknown owner - C:\Program Files (x86)\UltraZip\uzupd.exe
O23 - Service: @%SystemRoot%\system32\vaultsvc.dll,-1003 (VaultSvc) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%SystemRoot%\system32\vds.exe,-100 (vds) - Unknown owner - C:\Windows\System32\vds.exe (file missing)
O23 - Service: VIA Karaoke digital mixer Service (VIAKaraokeService) - Unknown owner - C:\Windows\system32\viakaraokesrv.exe (file missing)
O23 - Service: @%systemroot%\system32\vssvc.exe,-102 (VSS) - Unknown owner - C:\Windows\system32\vssvc.exe (file missing)
O23 - Service: @%SystemRoot%\system32\Wat\WatUX.exe,-601 (WatAdminSvc) - Unknown owner - C:\Windows\system32\Wat\WatAdminSvc.exe (file missing)
O23 - Service: @%systemroot%\system32\wbengine.exe,-104 (wbengine) - Unknown owner - C:\Windows\system32\wbengine.exe (file missing)
O23 - Service: @%Systemroot%\system32\wbem\wmiapsrv.exe,-110 (wmiApSrv) - Unknown owner - C:\Windows\system32\wbem\WmiApSrv.exe (file missing)
O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - C:\Program Files (x86)\Windows Media Player\wmpnetwk.exe (file missing)
O23 - Service: Saitek XPlugin (XSaiSvc) - Saitek, Madcatz - C:\Program Files (x86)\Saitek\Pro Flight XPlugin\xplservice.exe

--
End of file - 12953 bytes

Hai un'infezione da search.findeer che ti ha cambiato la pagina iniziale del browser, almeno così sembra.

Fai subito queste scansioni nell'ordine e segui bene le istruzioni:
Scarica ed installa MalwareBytes: clicca qui per il download: http://it.malwarebytes.org/
Clicca su: scarica la versione Gratuita alla destra, nella finestra che appare clic su Salva file,
poi per installarlo clic su: mbam-setup.exe, a completamento installazione togliere la spunta alla casella "Attiva la prova gratuita di Malwarebytes Pro" poi clic su fine.
Il programma è già in Italiano.
Nella parte alta cliccare sul menu Opzioni e nella sezione Rilevamento e protezione spuntare la casella Ricerca Rootkit
Prima di fare la scansione AGGIORNALO. (è molto importante)
Poi clic su SCANSIONE verrà fatta la ricerca di elementi nocivi., già selezionata di Default,.
Alla fine appariranno i risultati della ricerca, se ci sono elementi nocivi cliccare su Rimuovi selezionati che verranno messi in quarantena, poi clic su chiudi.
Durante le operazioni ignorare gli annunci che appaiono in basso, riguardano la vs Pro.
Posta il log.

Scarica Adwcleaner sul desktop: http://www.bleepingcomputer.com/download/adwcleaner/
Per il download cliccare su: Download now
Chiudi tutti i browser (è importante IE,Firefox Chrome ecc...)
Clicca sul pulsante "Analisi".
Finita la scansione clicca su "Pulizia"
Conferma con OK le varie finestre che ti compariranno.
Il pc si riavvierà, e uscirà il log con le eliminazioni.
Postalo qui.
ADW crea un backup dei files e delle impostazioni eliminati, si trova in "C:\AdwCleaner\Quarantine" in modo da consentire l'eventuale ripristino di dati erroneamente cancellati.
Per il ripristino, aprire il programma>Strumenti>Gestione quarantena>Ripristino.

Scarica Junkware Removal Tool sul desktop.
http://junkware-removal-tool.it.uptodown.com/download
Il download dovrebbe partire entro 5 secondi
Disattiva temporaneamente l'antivirus per evitare potenziali conflitti.
Doppio click su JRT
Lo strumento si aprirà e avvierà la scansione del sistema.
Devi avere pazienza in quanto questo tool può richiedere del tempo per completare la scansione .
Al termine, un log (JRT.txt) viene salvato sul desktop e si aprirà automaticamente.
Postalo qui.

Alla fine rifai la scansione con HJT e posta il nuovo log aggiornato vediamo cos'è rimasto poi ti dico cosa fare, se non riesco questa sera ci sentiamo domani.
Ricorda che Hijackthis deve essere avviato da una cartella a lui dedicata sul desktop. Solo così Hijackthis creerà copie di backup di quello che viene eliminato prima di apportare modifiche, così in caso di inconvenienti si possono reinstallare. Ciao