Mi potete controllare il mio log. Grazie molte.

Logfile of Trend Micro HijackThis v2.0.5
Scan saved at 17.53.01, on 28/12/2015
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.21357)

FIREFOX: 43.0.2 (x86 it)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
c:\PROGRA~1\AVG\Av\avgrsx.exe
C:\Programmi\AVG\Av\avgcsrvx.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:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\VTtrayp.exe
C:\WINDOWS\system32\VTTimer.exe
C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb09.exe
C:\Programmi\AVG\Av\avgui.exe
C:\Programmi\AVG\Framework\Common\avguix.exe
C:\Programmi\AVG\Av\avgidsagent.exe
C:\Programmi\AVG\Framework\Common\avgsvcx.exe
C:\Programmi\AVG\Av\avgwdsvcx.exe
C:\WINDOWS\system32\cisvc.exe
C:\Programmi\File comuni\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Programmi\Telecom Italia\WanMiniport1st\srvany.exe
C:\Programmi\CyberLink\Shared Files\RichVideo.exe
C:\Programmi\Telecom Italia\WanMiniport1st\WanMiniport1st_srv.exe
C:\Programmi\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\Toshiba\Bluetooth Toshiba Stack\TosBtSrv.exe
C:\Programmi\AVG\Av\avgnsx.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\system32\cidaemon.exe
C:\Programmi\Java\jre1.8.0_66\bin\javaw.exe
C:\Programmi\Outlook Express\msimn.exe
C:\Programmi\Mozilla Firefox\firefox.exe
D:\ICONE\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 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://go.microsoft.com/fwlink/?LinkId=74005
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Programmi\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\PROGRA~1\MICROS~1\Office14\GROOVEEX.DLL
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre1.8.0_66\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
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: URLRedirectionBHO - {B4F3A835-0E21-4959-BA22-42B3008E02FF} - C:\PROGRA~1\MICROS~1\Office14\URLREDIR.DLL
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programmi\Java\jre1.8.0_66\bin\jp2ssv.dll
O4 - HKLM\..\Run: [VTTrayp] VTtrayp.exe
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb09.exe
O4 - HKLM\..\Run: [AVG_UI] "C:\Programmi\AVG\Av\avgui.exe" /TRAYONLY
O4 - HKLM\..\Run: [AvgUi] "C:\Programmi\AVG\Framework\Common\avguix.exe" /fmw.trayonly
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.8.0_66\bin\jp2iexp.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.8.0_66\bin\jp2iexp.dll
O9 - Extra button: Invia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Programmi\Microsoft Office\Office14\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: I&nvia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Programmi\Microsoft Office\Office14\ONBttnIE.dll
O9 - Extra button: &Note collegate di OneNote - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Programmi\Microsoft Office\Office14\ONBttnIELinkedNotes.dll
O9 - Extra 'Tools' menuitem: &Note collegate di OneNote - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Programmi\Microsoft Office\Office14\ONBttnIELinkedNotes.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
O15 - Trusted Zone: *.rossoalice.it
O15 - Trusted Zone: *.rossoalice.virgilio.it
O16 - DPF: {029FDBA6-3547-11D7-AA4C-0050BF051A00} (Rawflow ICD Client) - http://downol.dr.dk/download/netradio/Rawflow.cab
O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Object) - http://a1540.g.akamai.net/7/1540/52/20070711/qtinstall.info.apple.com/qtactivex/qtplugin.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1199967435468
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1199967390562
O16 - DPF: {8FEFF364-6A5F-4966-A917-A3AC28411659} (SopCore Control) - http://www.mariatv.it/SOPCORE.CAB
O16 - DPF: {96695E54-ECE5-437B-81BF-D45FA9F878A0} (S3DisplayAct.UserControl1) - http://www.s3graphics.com.cn/S3DisplayAct/active/S3DispayAct.cab
O16 - DPF: {96816368-C1E3-414D-A193-63C3CC921990} (MJPEGRender Control) - http://hotelatlantestar-rome.remotemanager.co.uk/common/activex/MJPEGRender.ocx
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} (get_atlcom Class) - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{9E280F95-E628-475B-93A7-2CBB811730D3}: NameServer = 151.99.125.2,151.99.250.2
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - (no file)
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FILECO~1\Skype\SKYPE4~1.DLL
O18 - Filter hijack: text/xml - {807573E5-5146-11D5-A672-00B0D022E945} - C:\Programmi\File comuni\Microsoft Shared\OFFICE14\MSOXMLMF.DLL
O20 - AppInit_DLLs: c:\progra~1\safemule\safemule.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: AvgAMPS - AVG Technologies CZ, s.r.o. - C:\Programmi\AVG\Av\avgamps.exe
O23 - Service: AVGIDSAgent - AVG Technologies CZ, s.r.o. - C:\Programmi\AVG\Av\avgidsagent.exe
O23 - Service: AVG Service (avgsvc) - AVG Technologies CZ, s.r.o. - C:\Programmi\AVG\Framework\Common\avgsvcx.exe
O23 - Service: AVG WatchDog (avgwd) - AVG Technologies CZ, s.r.o. - C:\Programmi\AVG\Av\avgwdsvcx.exe
O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - C:\Programmi\File comuni\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: iPod Service - Apple Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: MBAMService - Malwarebytes - C:\Programmi\Malwarebytes Anti-Malware\mbamservice.exe
O23 - Service: Network WanMiniport First Position - Unknown owner - C:\Programmi\Telecom Italia\WanMiniport1st\srvany.exe
O23 - Service: Cyberlink RichVideo Service(CRVS) (RichVideo) - Unknown owner - C:\Programmi\CyberLink\Shared Files\RichVideo.exe
O23 - Service: Skype Updater (SkypeUpdate) - Skype Technologies - C:\Programmi\Skype\Updater\Updater.exe
O23 - Service: TOSHIBA Bluetooth Service - TOSHIBA CORPORATION - C:\Programmi\Toshiba\Bluetooth Toshiba Stack\TosBtSrv.exe

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End of file - 8804 bytes

Il log è a posto.