flinio
27-04-2005, 12:58
Da 5 giorni il Norton mi rileva dei trojan e me li cancella. Il sistema non ha particolari problemi ma la cosa cmq non mi piace. Ho win2000 con service pack4. Questi sono i file infettati che il norton ha cancellato:
Origine: E:\CRSS.EXE
Origine: E:\CRSS.EXE
Origine: E:\srv32.exe
Origine: E:\ip.exe
Origine: E:\CRSS.EXE
Origine: E:\srv32.exe
Origine: E:\srv32.exe
Origine: E:\updater.exe
Origine: E:\srv32.exe
Origine: E:\sysfirewall.exe -->W32.spybot.worm
Origine: E:\CRSS.EXE
Origine: E:\CRSS.EXE
Origine: E:\stone.exe
Origine: E:\stone.exe
Origine: E:\pb.exe -->W32.gaobot.gen!poly
Origine: E:\prcview.exe
Origine: E:\CRSS.EXE
In tutti questi file il trojan "debellato" è W32.HLLW.Gaobot ad eccezione dei 2 casi che ho specificato.
NB: Sul disco E non c'è il sistema operativo.
Le chiavi di registro mi sembrano pulite ma non me ne intendo piu di tanto. Ho letto su questo forum che un utente ha avuto un problema simile (c:\stone.exe) e l'ha risolto cancellando i file autorun.inf , arun.exe che gli erano spuntati in c:\. Ho cercato questi file sui miei hd ma non ne ho trovato traccia. Ho provato a fare la scansione on-line con panda ma non ha trovato nulla. Non so piu che fare. Posto qui di seguito il log file di HijackThis
Logfile of HijackThis v1.99.1
Scan saved at 12.03.50, on 27/04/2005
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\WINNT\system32\lexbces.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\system32\LEXPPS.EXE
C:\WINNT\ATKKBService.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\hidserv.exe
C:\Programmi\Norton AntiVirus\navapsvc.exe
C:\WINNT\System32\nvsvc32.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\Programmi\RealVNC\VNC4\WinVNC4.exe
C:\WINNT\system32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
C:\WINNT\SOUNDMAN.EXE
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\Programmi\Java\jre1.5.0_02\bin\jusched.exe
C:\WINNT\system32\internat.exe
C:\Programmi\Microsoft Office\Office\1040\OLFSNT40.EXE
C:\WINNT\System32\svchost.exe
C:\Programmi\Internet Explorer\IEXPLORE.EXE
C:\Programmi\Internet Explorer\IEXPLORE.EXE
C:\DOCUME~1\ADMINI~1\IMPOST~1\Temp\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar1.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar1.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINNT\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINNT\System32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\Sygate\SPF\smc.exe -startgui
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Programmi\Java\jre1.5.0_02\bin\jusched.exe
O4 - HKLM\..\Run: [NeroCheck] C:\WINNT\system32\\NeroCheck.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Programmi\File comuni\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKCU\..\Run: [internat.exe] internat.exe
O4 - Startup: ubisoft register.lnk = C:\Programmi\Ubi Soft\Register\schedule.exe
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.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\Office\OSA9.EXE
O4 - Global Startup: Porta Symantec Fax Starter Edition.lnk = C:\Programmi\Microsoft Office\Office\1040\OLFSNT40.EXE
O8 - Extra context menu item: &Google Search - res://C:\Programmi\Google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: Collegamenti a ritroso - res://C:\Programmi\Google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Pagine simili - res://C:\Programmi\Google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Versione cache della pagina - res://C:\Programmi\Google\GoogleToolbar1.dll/cmcache.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_02\bin\npjpi150_02.dll
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O23 - Service: ATK Keyboard Service (ATKKeyboardService) - ASUSTeK COMPUTER INC. - C:\WINNT\ATKKBService.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINNT\system32\lexbces.exe
O23 - Service: Servizio Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Programmi\Norton AntiVirus\navapsvc.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINNT\System32\nvsvc32.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Programmi\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FILECO~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Sygate Personal Firewall (SmcService) - Sygate Technologies, Inc. - C:\Programmi\Sygate\SPF\smc.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: VNC Server Version 4 (WinVNC4) - Unknown owner - C:\Programmi\RealVNC\VNC4\WinVNC4.exe" -service (file missing)
Origine: E:\CRSS.EXE
Origine: E:\CRSS.EXE
Origine: E:\srv32.exe
Origine: E:\ip.exe
Origine: E:\CRSS.EXE
Origine: E:\srv32.exe
Origine: E:\srv32.exe
Origine: E:\updater.exe
Origine: E:\srv32.exe
Origine: E:\sysfirewall.exe -->W32.spybot.worm
Origine: E:\CRSS.EXE
Origine: E:\CRSS.EXE
Origine: E:\stone.exe
Origine: E:\stone.exe
Origine: E:\pb.exe -->W32.gaobot.gen!poly
Origine: E:\prcview.exe
Origine: E:\CRSS.EXE
In tutti questi file il trojan "debellato" è W32.HLLW.Gaobot ad eccezione dei 2 casi che ho specificato.
NB: Sul disco E non c'è il sistema operativo.
Le chiavi di registro mi sembrano pulite ma non me ne intendo piu di tanto. Ho letto su questo forum che un utente ha avuto un problema simile (c:\stone.exe) e l'ha risolto cancellando i file autorun.inf , arun.exe che gli erano spuntati in c:\. Ho cercato questi file sui miei hd ma non ne ho trovato traccia. Ho provato a fare la scansione on-line con panda ma non ha trovato nulla. Non so piu che fare. Posto qui di seguito il log file di HijackThis
Logfile of HijackThis v1.99.1
Scan saved at 12.03.50, on 27/04/2005
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\WINNT\system32\lexbces.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\system32\LEXPPS.EXE
C:\WINNT\ATKKBService.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\hidserv.exe
C:\Programmi\Norton AntiVirus\navapsvc.exe
C:\WINNT\System32\nvsvc32.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\Programmi\RealVNC\VNC4\WinVNC4.exe
C:\WINNT\system32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
C:\WINNT\SOUNDMAN.EXE
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\Programmi\Java\jre1.5.0_02\bin\jusched.exe
C:\WINNT\system32\internat.exe
C:\Programmi\Microsoft Office\Office\1040\OLFSNT40.EXE
C:\WINNT\System32\svchost.exe
C:\Programmi\Internet Explorer\IEXPLORE.EXE
C:\Programmi\Internet Explorer\IEXPLORE.EXE
C:\DOCUME~1\ADMINI~1\IMPOST~1\Temp\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar1.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar1.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINNT\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINNT\System32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\Sygate\SPF\smc.exe -startgui
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Programmi\Java\jre1.5.0_02\bin\jusched.exe
O4 - HKLM\..\Run: [NeroCheck] C:\WINNT\system32\\NeroCheck.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Programmi\File comuni\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKCU\..\Run: [internat.exe] internat.exe
O4 - Startup: ubisoft register.lnk = C:\Programmi\Ubi Soft\Register\schedule.exe
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.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\Office\OSA9.EXE
O4 - Global Startup: Porta Symantec Fax Starter Edition.lnk = C:\Programmi\Microsoft Office\Office\1040\OLFSNT40.EXE
O8 - Extra context menu item: &Google Search - res://C:\Programmi\Google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: Collegamenti a ritroso - res://C:\Programmi\Google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Pagine simili - res://C:\Programmi\Google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Versione cache della pagina - res://C:\Programmi\Google\GoogleToolbar1.dll/cmcache.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_02\bin\npjpi150_02.dll
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O23 - Service: ATK Keyboard Service (ATKKeyboardService) - ASUSTeK COMPUTER INC. - C:\WINNT\ATKKBService.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINNT\system32\lexbces.exe
O23 - Service: Servizio Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Programmi\Norton AntiVirus\navapsvc.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINNT\System32\nvsvc32.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Programmi\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FILECO~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Sygate Personal Firewall (SmcService) - Sygate Technologies, Inc. - C:\Programmi\Sygate\SPF\smc.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: VNC Server Version 4 (WinVNC4) - Unknown owner - C:\Programmi\RealVNC\VNC4\WinVNC4.exe" -service (file missing)