mi fareste il favore di controllare questo file log.


Logfile of Trend Micro HijackThis v2.0.5
Scan saved at 19.58.13, on 16/09/2015
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)

FIREFOX: 40.0.3 (x86 it)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\Avira\AntiVir Desktop\sched.exe
C:\Programmi\Avira\AntiVir Desktop\avguard.exe
C:\Programmi\EaseUS\Todo Backup\bin\Agent.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\Programmi\Microsoft SQL Server\MSSQL\Binn\sqlservr.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\Programmi\EPSON_P2\Status Monitor\SESDBN.EXE
C:\WINDOWS\system32\svchost.exe
C:\Programmi\EPSON_P2\Status Monitor\SEPWDN.EXE
C:\Programmi\Avira\Launcher\Avira.ServiceHost.exe
C:\Programmi\EaseUS\Todo Backup\bin\TodoBackupService.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\ScanSoft\OmniPageSE\opware32.exe
C:\Programmi\Avira\AntiVir Desktop\avgnt.exe
C:\Programmi\EPSON_P2\Status Monitor\SEPSPZ.EXE
C:\programmi\real\realplayer\update\realsched.exe
C:\Programmi\File comuni\Java\Java Update\jusched.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\CCleaner\CCleaner.exe
C:\Programmi\Avira\AntiVir Desktop\avshadow.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Programmi\Mozilla Firefox\firefox.exe
C:\Programmi\ClamWin\bin\ClamTray.exe
C:\Programmi\WinRAR\WinRAR.exe
C:\Programmi\WinRAR\WinRAR.exe
C:\DOCUME~1\Utente\IMPOST~1\Temp\Rar$EX00.484\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.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\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: RealPlayer Download and Record Plugin for Internet Explorer - {3049C3E9-B461-4BC5-8870-4C09146192CA} - C:\Documents and Settings\All Users\Dati applicazioni\Real\RealPlayer\BrowserRecordPlugin\IE\rpbrowserrecordplugin.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
O4 - HKLM\..\Run: [Omnipage] C:\Programmi\ScanSoft\OmniPageSE\opware32.exe
O4 - HKLM\..\Run: [avgnt] "C:\Programmi\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [SEQLU] "C:\Programmi\EPSON_P2\Printer Software\SEQLUZ.EXE" /S
O4 - HKLM\..\Run: [SESMPSP] "C:\Programmi\EPSON_P2\Status Monitor\SEPSPZ.EXE"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [TkBellExe] "C:\programmi\real\realplayer\update\realsched.exe" -osboot
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\File comuni\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [Avira SystrayStartTrigger] C:\Programmi\Avira\Launcher\Avira.SystrayStartTrigger.exe
O4 - HKLM\..\Run: [ClamWin] "C:\Programmi\ClamWin\bin\ClamTray.exe" --logon
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Rundll32] Rundll32.exe ",0
O4 - HKCU\..\Run: [Badoo Desktop] C:\Documents and Settings\All Users\Dati applicazioni\Badoo\Badoo Desktop\1.6.58.1220\Badoo.Desktop.exe
O4 - HKCU\..\Run: [CCleaner Monitoring] "C:\Programmi\CCleaner\CCleaner.exe" /MONITOR
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\Office10\EXCEL.EXE/3000
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
O17 - HKLM\System\CCS\Services\Tcpip\..\{A356BCEF-10BC-47CB-881A-F9FB6CEFC8D2}: NameServer = 151.99.125.2,151.99.125.3
O17 - HKLM\System\CS1\Services\Tcpip\..\{A356BCEF-10BC-47CB-881A-F9FB6CEFC8D2}: NameServer = 151.99.125.2,151.99.125.3
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: Avira Mail Protection (AntiVirMailService) - Avira Operations GmbH & Co. KG - C:\Programmi\Avira\AntiVir Desktop\avmailc.exe
O23 - Service: Avira Pianificatore (AntiVirSchedulerService) - Avira Operations GmbH & Co. KG - C:\Programmi\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira Real-Time Protection (AntiVirService) - Avira Operations GmbH & Co. KG - C:\Programmi\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Avira Web Protection (AntiVirWebService) - Avira Operations GmbH & Co. KG - C:\Programmi\Avira\AntiVir Desktop\AVWEBGRD.EXE
O23 - Service: Autodesk Licensing Service - Autodesk - C:\Programmi\File comuni\Autodesk Shared\Service\AdskScSrv.exe
O23 - Service: Avira Service Host (Avira.ServiceHost) - Avira Operations GmbH & Co. KG - C:\Programmi\Avira\Launcher\Avira.ServiceHost.exe
O23 - Service: EaseUS Agent Service (EaseUS Agent) - CHENGDU YIWO Tech Development Co., Ltd - C:\Programmi\EaseUS\Todo Backup\bin\Agent.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: Mozilla Maintenance Service (MozillaMaintenance) - Mozilla Foundation - C:\Programmi\Mozilla Maintenance Service\maintenanceservice.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: ServiceLayer - Nokia - C:\Programmi\PC Connectivity Solution\ServiceLayer.exe
O23 - Service: EPSON Status Monitor Status Watcher (SESMPWD) - SEIKO EPSON CORPORATION - C:\Programmi\EPSON_P2\Status Monitor\SEPWDN.EXE
O23 - Service: EPSON Status Monitor Status Database (SESMSDB) - SEIKO EPSON CORPORATION - C:\Programmi\EPSON_P2\Status Monitor\SESDBN.EXE

--
End of file - 7357 bytes
grazie mille in anticipo.

Non hai detto che problemi riscontri.
Dal log non si vedono problemi gravi, però ci sono troppe voci in Avvio che non servono e rallenrano il pc.
Io le eliminerei, i programmi non vengono toccati ma si disabilita l'avvio automatico.

Queste le righe da fixare:
O4 - HKLM\..\Run: [Omnipage] C:\Programmi\ScanSoft\OmniPageSE\opware32.exe
O4 - HKLM\..\Run: [SEQLU] "C:\Programmi\EPSON_P2\Printer Software\SEQLUZ.EXE" /S
O4 - HKLM\..\Run: [SESMPSP] "C:\Programmi\EPSON_P2\Status Monitor\SEPSPZ.EXE"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [TkBellExe] "C:\programmi\real\realplayer\update\realsched.exe" -osboot
O4 - HKLM\..\Run: [ClamWin] "C:\Programmi\ClamWin\bin\ClamTray.exe" --logon
O4 - HKCU\..\Run: [Rundll32] Rundll32.exe ",0
O4 - HKCU\..\Run: [Badoo Desktop] C:\Documents and Settings\All Users\Dati applicazioni\Badoo\Badoo Desktop\1.6.58.1220\Badoo.Desktop.exe, (questo se lo usi spesso lo puoi anche lasciare)
Ciao