Ciao a tutti.

Il mio sistema operativo è Windows XP Home Edition.

Norton ha trovato un Trojan Horse in iexplore.exe ma non riesce ad eliminarlo. Ho provato con The Cleaner ma lo stesso non riesce ad eliminarlo ma mi dice che è un Dyfica, tipo: Dropper. Inoltre The Cleaner mi ha trovato un altro Trojan nel file nem219.dll e non riesce ad eliminare nemmeno questo.

Io di queste cose non me ne intendo proprio, qualcuno può darmi una mano?

Se dovesse servire, ecco il log fatto con HiJackThis:

Logfile of HijackThis v1.97.7
Scan saved at 16.55.09, on 02/09/2004
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\spoolsv.exe
C:\WINDOWS\Explorer.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\Programmi\Norton AntiVirus\navapsvc.exe
C:\Programmi\Norton Internet Security\NISUM.EXE
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\Norton Internet Security\ccPxySvc.exe
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\WINDOWS\System32\GSICON.EXE
C:\WINDOWS\System32\dslagent.exe
C:\WINDOWS\System32\rundll32.exe
C:\WINDOWS\System32\rundll32.exe
C:\WINDOWS\iexplore.exe
C:\WINDOWS\System32\atwtusb.exe
C:\WINDOWS\System32\TBLMOUSE.EXE
C:\Programmi\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe
C:\PENSOFT\Quick95.exe
C:\PENSOFT\fquick32.exe
C:\PROGRA~1\INCRED~1\bin\IMAPP.EXE
C:\Programmi\Internet Explorer\iexplore.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Programmi\The Cleaner\cleaner.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Documents and Settings\Silvia\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\WINDOWS\System32/left.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.virgilio.it/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.estranet.it
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.virgilio.it/free
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer fornito da Tin.it
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = http://www.virgilio.it/home/index.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
F0 - system.ini: Shell=Explorer.exe C:\WINDOWS\System32\System32.exe
F2 - REG:system.ini: Shell=Explorer.exe C:\WINDOWS\System32\System32.exe
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {087173EF-9829-4F49-8340-A524177D3F60} - C:\WINDOWS\System32\inetp60.dll
O2 - BHO: (no name) - {0DDBB570-0396-44C9-986A-8F6F61A51C2F} - C:\WINDOWS\System32\msiefr40.dll
O2 - BHO: (no name) - {2CF0B992-5EEB-4143-99C2-5297EF71F44A} - C:\WINDOWS\System32\stlbupdt.DLL
O2 - BHO: (no name) - {601ED020-FB6C-11D3-87D8-0050DA59922B} - (no file)
O2 - BHO: (no name) - {A3FDD654-A057-4971-9844-4ED8E67DBBB8} - C:\Programmi\SideFind\sfbho13.dll
O2 - BHO: (no name) - {A5366673-E8CA-11D3-9CD9-0090271D075B} - C:\PROGRA~1\FLASHGET\jccatch.dll
O2 - BHO: (no name) - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: FlashGet Bar - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - C:\PROGRA~1\FLASHGET\fgiebar.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Search - {2CF0B992-5EEB-4143-99C2-5297EF71F44B} - C:\WINDOWS\System32\stlbupdt.DLL
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\system32\msdxm.ocx
O4 - HKLM\..\Run: [WinStart001.EXE] C:\WINDOWS\System\WinStart001.EXE -b
O4 - HKLM\..\Run: [WINSTA~1.EXE] C:\WINDOWS\System\WINSTA~1.EXE -b
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Programmi\File comuni\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [GSICONEXE] GSICON.EXE
O4 - HKLM\..\Run: [DSLAGENTEXE] dslagent.exe USB
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Programmi\D-Tools\daemon.exe" -lang 1033 -noicon
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Rundll32_7] rundll32.exe C:\WINDOWS\System32\msiefr40.dll,DllRunServer
O4 - HKLM\..\Run: [Rundll32_8] rundll32.exe C:\WINDOWS\System32\inetp60.dll,DllRunServer
O4 - HKLM\..\Run: [TkBellExe] "C:\Programmi\File comuni\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [atwtusb] atwtusb.exe beta
O4 - HKLM\..\Run: [tcactive] C:\Programmi\The Cleaner\tca.exe
O4 - HKLM\..\Run: [tcmonitor] C:\Programmi\The Cleaner\tcm.exe
O4 - HKLM\..\Run: [PestPatrol Control Center] C:\Programmi\PestPatrol\PPControl.exe
O4 - HKLM\..\Run: [PPMemCheck] C:\Programmi\PestPatrol\PPMemCheck.exe
O4 - HKLM\..\Run: [CookiePatrol] C:\Programmi\PestPatrol\CookiePatrol.exe
O4 - HKCU\..\Run: [Microsoft Works Update Detection] C:\Programmi\Microsoft Works\WkDetect.exe
O4 - HKCU\..\Run: [media_manager] C:\Program Files\ebkrdr\mediaman.exe
O4 - HKCU\..\Run: [AutoUpdater] C:\WINDOWS\System32\aupdate.exe
O4 - HKCU\..\Run: [sws.exe] c:\program files\GlobalDialer\chost00000\gd-chost00000_it.exe -remove
O4 - HKCU\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKCU\..\Run: [IncrediMail] C:\PROGRA~1\INCRED~1\bin\IncMail.exe /c
O4 - Startup: Start.lnk = C:\PENSOFT\Quick95.exe
O4 - Startup: Quick StartUp.lnk = C:\PENSOFT\fquick32.exe
O4 - Global Startup: hpoddt01.exe.lnk = ?
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office10\OSA.EXE
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: &Add animation to IncrediMail Style Box - C:\PROGRA~1\INCRED~1\bin\resources\WebMenuImg.htm
O8 - Extra context menu item: Download All Files by HiDownload - C:\Programmi\HiDownload\HDGetAll.htm
O8 - Extra context menu item: Download by HiDownload - C:\Programmi\HiDownload\HDGet.htm
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Scarica con FlashGet - C:\Programmi\FlashGet\jc_link.htm
O8 - Extra context menu item: Scarica con Star Downloader - C:\Programmi\Star Downloader\sdie.htm
O8 - Extra context menu item: Scarica tutto con FlashGet - C:\Programmi\FlashGet\jc_all.htm
O9 - Extra button: SideFind (HKLM)
O9 - Extra button: ICQ Pro (HKLM)
O9 - Extra 'Tools' menuitem: ICQ (HKLM)
O9 - Extra button: Translate (HKLM)
O9 - Extra 'Tools' menuitem: LingoWare Translator... (HKLM)
O9 - Extra button: ICQ 4.0 (HKLM)
O9 - Extra 'Tools' menuitem: ICQ Lite (HKLM)
O9 - Extra button: FlashGet (HKLM)
O9 - Extra 'Tools' menuitem: &FlashGet (HKLM)
O9 - Extra button: Yahoo! Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Yahoo! Messenger (HKLM)
O9 - Extra button: HiDownload (HKLM)
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Messenger (HKLM)
O9 - Extra button: Comm (HKCU)
O14 - IERESET.INF: START_PAGE_URL=http://www.virgilio.it/free
O16 - DPF: Yahoo! Chat - http://us.chat1.yimg.com/us.yimg.com.../c381/chat.cab
O16 - DPF: {166B1BCA-3F9C-11CF-8075-444553540000} (Shockwave ActiveX Control) - http://download.macromedia.com/pub/s...irector/sw.cab
O16 - DPF: {69FD62B1-0216-4C31-8D55-840ED86B7C8F} (HbInstObj Class) - http://installs.hotbar.com/installs/...ams/hotbar.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://housecall.trendmicro-europe.c...ll/Xscan53.cab
O16 - DPF: {AD8D3C68-0C60-4B53-8A9E-BC654BBB36FE} (download_35mb_com.applet) - http://www.35mb.com/downloadapplet.cab
O16 - DPF: {B942A249-D1E7-4C11-98AE-FCB76B08747F} (RealArcadeRdxIE Class) - http://games-dl.real.com/gameconsole...rcadeRdxIE.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload.macromedia.com/pub...sh/swflash.cab
O16 - DPF: {F00F4763-7355-4725-82F7-0DA94A256D46} (IMDownloader Class) - http://www2.incredimail.com/contents...r/imloader.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{56DB9480-C7D9-4AD3-80E6-B4AEE5B2D581}: NameServer = 193.70.192.25 193.70.152.25