Salve a tutti ( buone vacanze ), ho bisogno del vostro aiuto, la connessione internet va pianissimo.
Questo è il logfile del mio SO, fatemi sapere qualche cosa.
Grazie e a presto.

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 11:10:56, on 01/08/2013
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:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\Programmi\IObit\Advanced SystemCare 6\ASCService.exe
C:\WINDOWS\system32\svchost.exe
c:\Programmi\Microsoft Security Client\MsMpEng.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:\Programmi\File comuni\ArcSoft\Connection Service\Bin\ACService.exe
C:\Programmi\Java\jre7\bin\jqs.exe
C:\Programmi\Nero\Update\NASvc.exe
C:\Programmi\Telecom Italia\WanMiniport1st\srvany.exe
C:\Programmi\Nitro PDF\Professional\NitroPDFDriverService.exe
C:\Programmi\Telecom Italia\WanMiniport1st\WanMiniport1st_srv.exe
C:\WINDOWS\system32\NLSSRV32.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\Programmi\Packard Bell\Software Suite\PowerSave\PSPBSSS.exe
C:\Programmi\Macrium\Reflect\ReflectService.exe
C:\Programmi\Sandboxie\SbieSvc.exe
C:\Documents and Settings\All Users\Dati applicazioni\Skype\Toolbars\Skype C2C Service\c2c_service.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\TeamViewer\Version8\TeamViewer_Service.exe
C:\Programmi\TomTom HOME 2\TomTomHOMEService.exe
C:\Programmi\Yahoo!\SoftwareUpdate\YahooAUService.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\TeamViewer\Version8\TeamViewer.exe
C:\Programmi\IObit\Smart Defrag 2\SmartDefrag.exe
C:\Programmi\Uniblue\RegistryBooster\rbmonitor.exe
C:\Programmi\ExpressFiles\EFUpdater.exe
C:\Programmi\TeamViewer\Version8\tv_w32.exe
C:\Programmi\QuickTime\qttask.exe
C:\Programmi\Microsoft Security Client\msseces.exe
C:\Programmi\File comuni\Nikon\Monitor\NkMonitor.exe
C:\Programmi\File comuni\ArcSoft\Connection Service\Bin\ACDaemon.exe
C:\Programmi\File comuni\Java\Java Update\jusched.exe
C:\Programmi\Packard Bell\Software Suite\PBSoftSuite.exe
C:\Programmi\TomTom HOME 2\TomTomHOMERunner.exe
C:\Programmi\File comuni\ArcSoft\Connection Service\Bin\ArcCon.ac
C:\Programmi\IObit\Advanced SystemCare 6\ASCTray.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\Skype\Phone\Skype.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\wbem\wmiapsrv.exe
C:\Programmi\Packard Bell\Software Suite\pbDevDetect.exe
C:\Programmi\RocketDock\RocketDock.exe
I:\PortableApps\PortableApps.com\PortableAppsPlatform.exe
I:\PortableApps\PortableApps.com\PortableAppsUpdater.exe
I:\PortableApps\HijackThisPortable\HijackThisPortable.exe
I:\PortableApps\HijackThisPortable\App\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://search.babylon.com/?babsrc=HP_ss_din2g&mntrId=78A0000D87383641&affID=122140&tsp=4918
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
O1 - Hosts: ÿþ127.0.0.1 localhost
O1 - Hosts: ::1 localhost
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre7\bin\ssv.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: SkypeIEPluginBHO - {AE805869-2E5C-4ED4-8F7B-F1F7851A4497} - C:\Programmi\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programmi\Java\jre7\bin\jp2ssv.dll
O2 - BHO: Softonic Helper Object - {E87806B5-E908-45FD-AF5E-957D83E58E68} - C:\Programmi\Softonic\Softonic\1.8.19.3\bh\Softonic.dll
O2 - BHO: ChromeFrame BHO - {ECB3C477-1A0A-44BD-BB57-78F9EFE34FA7} - C:\Programmi\Google\Chrome\Application\28.0.1500.95\npchrome_frame.dll
O3 - Toolbar: Softonic Toolbar - {5018CFD2-804D-4C99-9F81-25EAEA2769DE} - C:\Programmi\Softonic\Softonic\1.8.19.3\SoftonicTlbr.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [MSC] "C:\Programmi\Microsoft Security Client\msseces.exe" -hide -runkey
O4 - HKLM\..\Run: [PinnacleDriverCheck] C:\WINDOWS\system32\\PSDrvCheck.exe
O4 - HKLM\..\Run: [Nikon Transfer Monitor] C:\Programmi\File comuni\Nikon\Monitor\NkMonitor.exe
O4 - HKLM\..\Run: [ArcSoft Connection Service] C:\Programmi\File comuni\ArcSoft\Connection Service\Bin\ACDaemon.exe
O4 - HKLM\..\Run: [Adobe ARM] "C:\Programmi\File comuni\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\File comuni\Java\Java Update\jusched.exe"
O4 - HKCU\..\Run: [Packard Bell Software Suite] "C:\Programmi\Packard Bell\Software Suite\PBSoftSuite.exe" /run
O4 - HKCU\..\Run: [TomTomHOME.exe] "C:\Programmi\TomTom HOME 2\TomTomHOMERunner.exe"
O4 - HKCU\..\Run: [Advanced SystemCare 6] "C:\Programmi\IObit\Advanced SystemCare 6\ASCTray.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 - 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')
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.exe
O8 - Extra context menu item: Add to Google Photos Screensa&ver - res://C:\WINDOWS\system32\GPhotos.scr/200
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: (no name) - {53F6FCCD-9E22-4d71-86EA-6E43136192AB} - (no file)
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\WINDOWS\bdoscandel.exe
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\WINDOWS\bdoscandel.exe
O9 - Extra button: Skype Click to Call - {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - C:\Programmi\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O9 - Extra button: (no name) - {925DAB62-F9AC-4221-806A-057BFB1014AA} - (no file)
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL
O9 - Extra button: Run IMVU - {d9288080-1baa-4bc4-9cf8-a92d743db949} - C:\Documents and Settings\Massimo1\Menu Avvio\Programmi\IMVU\Run IMVU.lnk (file missing)
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: {4871A87A-BFDD-4106-8153-FFDE2BAC2967} (DLM Control) - http://dlm.tools.akamai.com/dlmanager/versions/activex/dlm-activex-2.2.4.5.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://download.bitdefender.com/resources/scanner/sources/en/scan8/oscan8.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://www.update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1356292900468
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{32CE7B6E-BCA5-4CAD-A8CB-0FD84F41BA2E}: NameServer = 8.8.8.8,8.8.4.4
O17 - HKLM\System\CCS\Services\Tcpip\..\{5C9C4B1B-6486-4932-922F-919A60BED3CA}: NameServer = 8.8.8.8,8.8.4.4
O17 - HKLM\System\CCS\Services\Tcpip\..\{67AC31C2-A761-47CD-B650-2E594AF85116}: NameServer = 8.8.8.8,8.8.4.4
O17 - HKLM\System\CCS\Services\Tcpip\..\{DE38AE96-BC01-4937-B474-EA9C045CB5C8}: NameServer = 8.8.8.8,8.8.4.4
O17 - HKLM\System\CS1\Services\Tcpip\..\{208CBB4F-A0A5-4C2F-9DD8-06D9CCFF7F19}: NameServer = 8.8.8.8,8.8.4.4
O18 - Protocol: gcf - {9875BFAF-B04D-445E-8A69-BE36838CDE3E} - C:\Programmi\Google\Chrome\Application\28.0.1500.95\npchrome_frame.dll
O18 - Protocol: skype-ie-addon-data - {91774881-D725-4E58-B298-07617B9B86A8} - C:\Programmi\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FILECO~1\Skype\SKYPE4~1.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: ArcSoft Connect Daemon (ACDaemon) - ArcSoft Inc. - C:\Programmi\File comuni\ArcSoft\Connection Service\Bin\ACService.exe
O23 - Service: Adobe Flash Player Update Service (AdobeFlashPlayerUpdateSvc) - Adobe Systems Incorporated - C:\WINDOWS\system32\Macromed\Flash\FlashPlayerUpdateService.exe
O23 - Service: Advanced SystemCare Service 6 (AdvancedSystemCareService6) - IObit - C:\Programmi\IObit\Advanced SystemCare 6\ASCService.exe
O23 - Service: BrowserDefendert - Unknown owner - C:\Documents and Settings\All Users\Dati applicazioni\BrowserDefender\2.6.1519.190\{c16c1ccb-7046-4e5c-a2f3-533ad2fec8e8}\BrowserDefender.exe (file missing)
O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - C:\Programmi\File comuni\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Google Update Service (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: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: IMF Service (IMFservice) - IObit - C:\Programmi\IObit\IObit Malware Fighter\IMFsrv.exe
O23 - Service: iPod Service - Apple Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Oracle Corporation - C:\Programmi\Java\jre7\bin\jqs.exe
O23 - Service: Mozilla Maintenance Service (MozillaMaintenance) - Mozilla Foundation - C:\Programmi\Mozilla Maintenance Service\maintenanceservice.exe
O23 - Service: @C:\Programmi\Nero\Update\NASvc.exe,-200 (NAUpdate) - Nero AG - C:\Programmi\Nero\Update\NASvc.exe
O23 - Service: Network WanMiniport First Position - Unknown owner - C:\Programmi\Telecom Italia\WanMiniport1st\srvany.exe
O23 - Service: NitroPDFDriverCreatorReadSpool (NitroDriverReadSpool) - Nitro PDF Software - C:\Programmi\Nitro PDF\Professional\NitroPDFDriverService.exe
O23 - Service: NLS Service (nlsX86cc) - Nalpeiron Ltd. - C:\WINDOWS\system32\NLSSRV32.EXE
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: PowerSave Service (PowerSave) - Packard Bell Services - C:\Programmi\Packard Bell\Software Suite\PowerSave\PSPBSSS.exe
O23 - Service: Macrium Reflect Image Mounting Service (ReflectService) - Unknown owner - C:\Programmi\Macrium\Reflect\ReflectService.exe
O23 - Service: Sandboxie Service (SbieSvc) - tzuk - C:\Programmi\Sandboxie\SbieSvc.exe
O23 - Service: ServiceLayer - Nokia. - C:\Programmi\File comuni\PCSuite\Services\ServiceLayer.exe
O23 - Service: Skype C2C Service - Skype Technologies S.A. - C:\Documents and Settings\All Users\Dati applicazioni\Skype\Toolbars\Skype C2C Service\c2c_service.exe
O23 - Service: Skype Updater (SkypeUpdate) - Skype Technologies - C:\Programmi\Skype\Updater\Updater.exe
O23 - Service: TeamViewer 8 (TeamViewer8) - TeamViewer GmbH - C:\Programmi\TeamViewer\Version8\TeamViewer_Service.exe
O23 - Service: TomTomHOMEService - TomTom - C:\Programmi\TomTom HOME 2\TomTomHOMEService.exe
O23 - Service: Yahoo! Updater (YahooAUService) - Yahoo! Inc. - C:\Programmi\Yahoo!\SoftwareUpdate\YahooAUService.exe

--
End of file - 13181 bytes

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

Per postare il log:
Collegati ad internet e vai alla pagina WikiSend:
http://www.wikisend.com/
Clicca sul bottone "Sfoglia"
Seleziona il file appena salvato
Clicca su Upload file
Dopo qualche secondo, vieni spostato su una nuova pagina con il link in diversi formati:
Download Link / Forum Link
Seleziona Forum Link, copialo e incollalo in un nuovo messaggio per il forum.

Dimmi se la connessione è migliorata oppure no.

.txt]AdwCleaner[S9].txt

Ciao r16, è tornato tutto nella normalità.
Grazie e al prossimo problema.
Ancora buone vacanze a tutti.