buongiorno a tutti --finalmente iscritta! mi chiamo susanna e sono di roma.
potrei sottoporre il log di hijackthis in questo forum? sicuramente dovrei formattare il mio pc, potrei trasferire parte dei programmi e documenti sul 2° hard disk, nel frattempo vorrei sapere se è tutto a posto. grazie!

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 9.30.00, on 29/07/2011
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:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
c:\Programmi\Sophos\Sophos Client Firewall\SCFManager.exe
C:\WINDOWS\system32\spoolsv.exe
c:\Programmi\Sophos\Sophos Client Firewall\SCFService.exe
C:\WINDOWS\system32\cisvc.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\WINDOWS\system32\nvsvc32.exe
c:\Programmi\Sophos\Sophos Anti-Virus\SAVAdminService.exe
c:\Programmi\Sophos\AutoUpdate\ALsvc.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\CNAB4RPK.EXE
C:\WINDOWS\vVX3000.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Programmi\Sophos\AutoUpdate\almon.exe
C:\Programmi\File comuni\Java\Java Update\jusched.exe
C:\WINDOWS\system32\ctfmon.exe
D:\Programmi\jamtray.exe
C:\Programmi\Windows Live\Messenger\msnmsgr.exe
C:\Programmi\ICQ7.4\ICQ.exe
D:\Programmi\jamdownloader.exe
D:\Programmi\Widget vodafone.it\Widget vodafone.it.exe
C:\WINDOWS\system32\devldr32.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\system32\cidaemon.exe
D:\HiJackThis Folder\Trend Micro\HiJackThis\HiJackThis.exe
C:\Programmi\Mozilla Firefox\firefox.exe
C:\Programmi\Mozilla Firefox\plugin-container.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.qword.com/?s=1
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
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
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
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: Sophos Web Content Scanner - {39EA7695-B3F2-4C44-A4BC-297ADA8FD235} - c:\Programmi\Sophos\Sophos Anti-Virus\SophosBHO.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: 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: [VX3000] C:\WINDOWS\vVX3000.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "D:\Programmi\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Programmi\File comuni\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [QuickTime Task] "D:\Programmi\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [Sophos AutoUpdate Monitor] c:\Programmi\Sophos\AutoUpdate\almon.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\File comuni\Java\Java Update\jusched.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Rainlendar2] C:\Programmi\Rainlendar2\Rainlendar2.exe
O4 - HKCU\..\Run: [jamtray] D:/Programmi/jamtray.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Programmi\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [ICQ] "C:\Programmi\ICQ7.4\ICQ.exe" silent loginmode=4
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')
O4 - Startup: Widget vodafone.lnk = D:\Programmi\Widget vodafone.it\Widget vodafone.it.exe
O8 - Extra context menu item: Converti destinazione link in file PDF esistente - res://C:\Programmi\Adobe\Acrobat 8.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Converti i link selezionati in Adobe PDF - res://C:\Programmi\Adobe\Acrobat 8.0\Acrobat\AcroIEFavClient.dll/AcroIECaptureSelLinks.html
O8 - Extra context menu item: Converti i link selezionati in file PDF esistente - res://C:\Programmi\Adobe\Acrobat 8.0\Acrobat\AcroIEFavClient.dll/AcroIEAppendSelLinks.html
O8 - Extra context menu item: Converti selezione in file PDF esistente - res://C:\Programmi\Adobe\Acrobat 8.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\Office10\EXCEL.EXE/3000
O9 - Extra button: ICQ7.4 - {73C6DCFB-B606-47F3-BDFA-9A4FBF931E37} - C:\Programmi\ICQ7.4\ICQ.exe
O9 - Extra 'Tools' menuitem: ICQ7.4 - {73C6DCFB-B606-47F3-BDFA-9A4FBF931E37} - C:\Programmi\ICQ7.4\ICQ.exe
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~4\OFFICE11\REFIEBAR.DLL
O15 - Trusted Zone: *.qword.com
O16 - DPF: {74DBCB52-F298-4110-951D-AD2FF67BC8AB} (NVIDIA Smart Scan) - http://www.nvidia.com/content/DriverDownload/nforce/NvidiaSmartScan.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{7A504C88-62FB-41D3-8FB5-A0A8DDFD57ED}: NameServer = 62.101.93.101,83.103.25.250
O20 - AppInit_DLLs: c:\PROGRA~1\Sophos\SOPHOS~1\SOPHOS~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: Google Update Service (gupdate) (gupdate) - Google Inc. - C:\Programmi\Google\Update\GoogleUpdate.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Report sullo stato di Sophos Anti-Virus (SAVAdminService) - Sophos Limited - c:\Programmi\Sophos\Sophos Anti-Virus\SAVAdminService.exe
O23 - Service: Sophos Anti-Virus (SAVService) - Sophos Limited - c:\Programmi\Sophos\Sophos Anti-Virus\SavService.exe
O23 - Service: Sophos AutoUpdate Service - Sophos Limited - c:\Programmi\Sophos\AutoUpdate\ALsvc.exe
O23 - Service: Sophos Client Firewall - Sophos Limited - c:\Programmi\Sophos\Sophos Client Firewall\SCFService.exe
O23 - Service: Sophos Client Firewall Manager - Sophos Limited - c:\Programmi\Sophos\Sophos Client Firewall\SCFManager.exe
O23 - Service: Sophos Web Intelligence Service (swi_service) - Sophos Limited - c:\Programmi\Sophos\Sophos Anti-Virus\Web Intelligence\swi_service.exe

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End of file - 7760 bytes

Ciao Susanna!Benvenuta.
Il log è meglio che tu lo metta nella sezione Sicurezza Virus.

benvenuta