Da una settimana all'avvio di windows appaiono due finestre di alert che mi avvisano di un file .exe ed uno .dll mancanti in system32.
Poi l'antivirus Avast mi segnala spesso la presenza di trojan (i nomi si ripetono) che cancello e sistematicamente riappaiono.
Aiutatemi per favore.
Lascio il mio logfile di HijackThis:
Logfile of HijackThis v1.99.1
Scan saved at 14.34.30, on 09/01/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
C:\Programmi\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
c:\programmi\file comuni\logishrd\lvmvfm\LVPrcSrv.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Programmi\Zone Labs\ZoneAlarm\zlclient.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\CTHELPER.EXE
C:\Programmi\File comuni\LogiShrd\LComMgr\Communications_Helper.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\WINDOWS\system32\CTsvcCDA.exe
C:\Programmi\File comuni\Microsoft Shared\VS7Debug\mdm.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\Programmi\File comuni\LogiShrd\LComMgr\LVComSX.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\System32\MsPMSPSv.exe
C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Programmi\Mozilla Firefox\firefox.exe
D:\DATI\Utility\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://arianna.libero.it
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.rocorosso.splinder.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.libero.it
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer fornito da Libero
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
F3 - REG:win.ini: load=C:\WINDOWS\system32\ssqpo.exe
O1 - Hosts: 205.238.40.1 winmx.com
O1 - Hosts: 205.238.40.1 http://www.winmx.com
O1 - Hosts: 205.238.40.1 err.winmx.com
O1 - Hosts: 205.238.40.1 c3310.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3311.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3312.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3313.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3314.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3315.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3316.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3317.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3318.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3319.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3310.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3311.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3312.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3313.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3314.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3315.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3316.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3317.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3318.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3319.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3310.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3311.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3312.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3313.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3314.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3315.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3316.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3317.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3318.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3319.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3310.z1304.winmx.com
O1 - Hosts: 205.238.40.1 c3311.z1304.winmx.com
O1 - Hosts: 205.238.40.1 c3312.z1304.winmx.com
O1 - Hosts: 205.238.40.1 c3313.z1304.winmx.com
O1 - Hosts: 205.238.40.1 c3314.z1304.winmx.com
O1 - Hosts: 82.195.155.5 c3315.z1304.winmx.com
O1 - Hosts: 82.195.155.5 c3316.z1304.winmx.com
O1 - Hosts: 82.195.155.5 c3317.z1304.winmx.com
O1 - Hosts: 82.195.155.5 c3318.z1304.winmx.com
O1 - Hosts: 82.195.155.5 c3319.z1304.winmx.com
O1 - Hosts: 205.238.40.1 c3310.z1305.winmx.com
O1 - Hosts: 205.238.40.1 c3311.z1305.winmx.com
O1 - Hosts: 205.238.40.1 c3312.z1305.winmx.com
O1 - Hosts: 205.238.40.1 c3313.z1305.winmx.com
O1 - Hosts: 205.238.40.1 c3314.z1305.winmx.com
O1 - Hosts: 82.195.155.5 c3315.z1305.winmx.com
O1 - Hosts: 82.195.155.5 c3316.z1305.winmx.com
O1 - Hosts: 82.195.155.5 c3317.z1305.winmx.com
O1 - Hosts: 82.195.155.5 c3318.z1305.winmx.com
O1 - Hosts: 82.195.155.5 c3319.z1305.winmx.com
O1 - Hosts: 205.238.40.1 c3310.z1306.winmx.com
O1 - Hosts: 205.238.40.1 c3311.z1306.winmx.com
O1 - Hosts: 205.238.40.1 c3312.z1306.winmx.com
O1 - Hosts: 205.238.40.1 c3313.z1306.winmx.com
O1 - Hosts: 205.238.40.1 c3314.z1306.winmx.com
O1 - Hosts: 82.195.155.5 c3315.z1306.winmx.com
O1 - Hosts: 82.195.155.5 c3316.z1306.winmx.com
O1 - Hosts: 82.195.155.5 c3317.z1306.winmx.com
O1 - Hosts: 82.195.155.5 c3318.z1306.winmx.com
O1 - Hosts: 82.195.155.5 c3319.z1306.winmx.com
O1 - Hosts: 205.238.40.1 c3520.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3521.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3522.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3523.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3524.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3525.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3526.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3527.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3528.z1301.winmx.com
O1 - Hosts: 82.195.155.5 c3529.z1301.winmx.com
O1 - Hosts: 205.238.40.1 c3520.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3521.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3522.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3523.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3524.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3525.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3526.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3527.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3528.z1302.winmx.com
O1 - Hosts: 82.195.155.5 c3529.z1302.winmx.com
O1 - Hosts: 205.238.40.1 c3520.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3521.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3522.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3523.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3524.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3525.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3526.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3527.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3528.z1303.winmx.com
O1 - Hosts: 82.195.155.5 c3529.z1303.winmx.com
O1 - Hosts: 205.238.40.1 c3520.z1304.winmx.com
O1 - Hosts: 205.238.40.1 c3521.z1304.winmx.com
O1 - Hosts: 205.238.40.1 c3522.z1304.winmx.com
O1 - Hosts: 205.238.40.1 c3523.z1304.winmx.com
O1 - Hosts: 205.238.40.1 c3524.z1304.winmx.com
O1 - Hosts: 82.195.155.5 c3525.z1304.winmx.com
O1 - Hosts: 82.195.155.5 c3526.z1304.winmx.com
O1 - Hosts: 82.195.155.5 c3527.z1304.winmx.com
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {DB0B918E-A0A8-482B-8D75-A682816B0C7B} - C:\WINDOWS\system32\yaywwur.dll
O2 - BHO: {bf2ac5ec-53fb-a7a9-ff04-4b2cbf4e8c2f} - {f2c8e4fb-c2b4-40ff-9a7a-bf35ce5ca2fb} - C:\WINDOWS\system32\muheghxd.dll (file missing)
O3 - Toolbar: NetXfer - {C16CBAAC-A75C-4DB5-A0DD-CDF5CAFCDD3A} - C:\Programmi\Xi\NetXfer\NXToolBar.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Programmi\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [Jet Detection] C:\Programmi\Creative\SBAudigy\PROGRAM\ADGJDet.exe
O4 - HKLM\..\Run: [CTStartup] C:\Programmi\Creative\Splash Screen\CTEaxSpl.EXE /run
O4 - HKLM\..\Run: [LogitechQuickCamRibbon] "C:\Programmi\Logitech\QuickCam10\QuickCam10.exe" /hide
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Programmi\Zone Labs\ZoneAlarm\zlclient.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: [CTHelper] CTHELPER.EXE
O4 - HKLM\..\Run: [CTxfiHlp] CTXFIHLP.EXE
O4 - HKLM\..\Run: [98e3264a] rundll32.exe "C:\WINDOWS\system32\vwdfesev.dll",b
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Programmi\Grisoft\AVG Anti-Spyware 7.5\_avgas.exe" /minimized
O4 - HKLM\..\Run: [LogitechCommunicationsManager] "C:\Programmi\File comuni\LogiShrd\LComMgr\Communications_Helper.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [RocketDock] "C:\Programmi\RocketDock\RocketDock.exe"
O4 - HKCU\..\Run: [TaskTray] C:\Programmi\Creative\SBAudigy\TaskBar\CTLTray.exe
O4 - HKCU\..\Run: [TaskBar] C:\Programmi\Creative\SBAudigy\TaskBar\CTLTask.exe
O4 - HKCU\..\Run: [AliceMessenger] C:\Programmi\Alice Messenger\alicemessenger.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: &Clean Traces - C:\Programmi\DAP\Privacy Package\dapcleanerie.htm
O8 - Extra context menu item: &Download with &DAP - C:\Programmi\DAP\dapextie.htm
O8 - Extra context menu item: Converti destinazione link in Adobe PDF - res://C:\Programmi\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Converti destinazione link in PDF esistente - res://C:\Programmi\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Converti in Adobe PDF - res://C:\Programmi\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Converti in PDF esistente - res://C:\Programmi\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Converti link selezionati in Adobe PDF - res://C:\Programmi\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECaptureSelLinks.html
O8 - Extra context menu item: Converti link selezionati in PDF esistente - res://C:\Programmi\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppendSelLinks.html
O8 - Extra context menu item: Converti selezione a PDF esistente - res://C:\Programmi\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Converti selezione in Adobe PDF - res://C:\Programmi\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Download &all with DAP - C:\Programmi\DAP\dapextie2.htm
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Salva oggetto con NetXfer - C:\Programmi\Xi\NetXfer\NXAddLink.html
O8 - Extra context menu item: Salva tutti gli oggetti con NetXfer - C:\Programmi\Xi\NetXfer\NXAddList.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_01\bin\npjpi160_01.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_01\bin\npjpi160_01.dll
O9 - Extra button: (no name) - {44EFB53C-C965-43CF-9F45-52242D134187} - (no file)
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
O14 - IERESET.INF: START_PAGE_URL=http://www.libero.it
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMe ... loader.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - https://download.macromedia.com/pub/sho ... wflash.cab
O16 - DPF: {FE0BD779-44EE-4A4B-AA2E-743C63F2E5E6} (IWinAmpActiveX Class) - http://pdl.stream.aol.com/downloads/aol ... _en_dl.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FILECO~1\Skype\SKYPE4~1.DLL
O18 - Protocol: wlmailhtml - {03C514A3-1EFB-4856-9F99-10D7BE1653C0} - C:\Programmi\Windows Live\Mail\mailcomm.dll
O20 - Winlogon Notify: vturr - C:\WINDOWS\system32\vturr.dll (file missing)
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O20 - Winlogon Notify: yaywusp - yaywusp.dll (file missing)
O20 - Winlogon Notify: yaywwur - C:\WINDOWS\SYSTEM32\yaywwur.dll
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Programmi\File comuni\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Programmi\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\system32\CTsvcCDA.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Servizio iPod (iPodService) - Apple Computer, Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: Process Monitor (LVPrcSrv) - Logitech Inc. - c:\programmi\file comuni\logishrd\lvmvfm\LVPrcSrv.exe
O23 - Service: LVSrvLauncher - Logitech Inc. - C:\Programmi\File comuni\LogiShrd\SrvLnch\SrvLnch.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe