trojan Horse Bakdoor

[kech63]

Aiuto ogni volta che accendo il PC l'antivirus AVG mi dice di aver trovato un Trojan Horse Backdoor ntrootkit.J nella casella C:\windows\sistem32\bkernel.sys.....Lo cancello e faccio scansione....sparito; riavvio il PC e mi ritorna...

Come faccio arimuoverlo definitivamente?????

Grazie

[Scarymiss]

Ciao Kech, tanto per cominciare posta per favore un log di hijackthis

[kech63]

Ok....
Logfile of Trend Micro HijackThis v2.0.0 (BETA)
Scan saved at 11:36:28, on 29.06.2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\Programme\CPUCooL\CooLSrv.exe
C:\PROGRA~1\Iomega\System32\AppServices.exe
C:\Programme\Gemeinsame Dateien\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Programme\Pwrchute\ups.exe
C:\VEXPLITE\viritsvc.exe
C:\Programme\Iomega\AutoDisk\ADService.exe
C:\WINDOWS\System32\dmadmin.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Programme\ATI Technologies\ATI.ACE\cli.exe
C:\Programme\CyberLink\PowerDVD\PDVDServ.exe
C:\Programme\Iomega\AutoDisk\ADUserMon.exe
C:\Programme\Iomega\DriveIcons\ImgIcon.exe
C:\Programme\ScreenPrint32 v3\ScreenPrint32.exe
C:\Programme\Musicmatch\Musicmatch Jukebox\mm_tray.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Programme\D-Tools\daemon.exe
C:\PROGRA~1\Nokia\NOKIAP~1\LAUNCH~1.EXE
C:\Programme\Musicmatch\Musicmatch Jukebox\mmtask.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\VEXPLITE\MONLITE.EXE
C:\Programme\Art Plus\EasyNoter 2.14\easynoter.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programme\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
C:\Programme\Gemeinsame Dateien\Ahead\lib\NMBgMonitor.exe
C:\Programme\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Programme\Adobe\Acrobat 5.0\Distillr\AcroTray.exe
C:\Programme\Gemeinsame Dateien\PCSuite\Services\ServiceLayer.exe
C:\Programme\ATI Technologies\ATI.ACE\CLI.exe
C:\Programme\3M\PDNotes\PDNotes.exe
C:\Programme\WinZip\WZQKPICK.EXE
C:\Programme\Trend Micro\Client Server Security Agent\tmlisten.exe
C:\Programme\Trend Micro\Client Server Security Agent\ntrtscan.exe
C:\Programme\Trend Micro\Client Server Security Agent\OfcPfwSvc.exe
C:\WINDOWS\TEMP\JUE395.EXE
C:\Programme\ATI Technologies\ATI.ACE\cli.exe
C:\Programme\Trend Micro\Client Server Security Agent\PCCNTMON.EXE
C:\WINDOWS\system32\svchost.exe
C:\Programme\Internet Explorer\iexplore.exe
C:\totalcmd_pp\totalcmd.exe
D:\Alte Disk\user1\zip\HIJACK\HiJackThis_v2.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://companyweb
R3 - URLSearchHook: Yahoo! Toolbar mit Pop-Up-Blocker - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programme\Yahoo!\Companion\Installs\cpn\yt.dll
F3 - REG:win.ini: load=
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Programme\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 5.0\Acrobat\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Programme\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programme\google\googletoolbar2.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Programme\Google\GoogleToolbarNotifier\2.0.301.7164\swg.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programme\google\googletoolbar2.dll
O3 - Toolbar: Yahoo! Toolbar mit Pop-Up-Blocker - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programme\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [ATIPTA] "C:\Programme\ATI Technologies\ATI Control Panel\atiptaxx.exe"
O4 - HKLM\..\Run: [ATICCC] "C:\Programme\ATI Technologies\ATI.ACE\cli.exe" runtime
O4 - HKLM\..\Run: [zBrowser Launcher] C:\Programme\Logitech\iTouch\iTouch.exe
O4 - HKLM\..\Run: [RemoteControl] C:\Programme\CyberLink\PowerDVD\PDVDServ.exe
O4 - HKLM\..\Run: [ADUserMon] C:\Programme\Iomega\AutoDisk\ADUserMon.exe
O4 - HKLM\..\Run: [Iomega Drive Icons] C:\Programme\Iomega\DriveIcons\ImgIcon.exe
O4 - HKLM\..\Run: [Deskup] C:\Programme\Iomega\DriveIcons\deskup.exe /IMGSTART
O4 - HKLM\..\Run: [ScreenPrint32] C:\Programme\ScreenPrint32 v3\ScreenPrint32.exe -startup
O4 - HKLM\..\Run: [MMTray] "C:\Programme\Musicmatch\Musicmatch Jukebox\mm_tray.exe"
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Programme\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [PCSuiteTrayApplication] C:\PROGRA~1\Nokia\NOKIAP~1\LAUNCH~1.EXE -startup
O4 - HKLM\..\Run: [OfficeScanNT Monitor] "C:\Programme\Trend Micro\Client Server Security Agent\pccntmon.exe" -HideWindow
O4 - HKLM\..\Run: [mmtask] "C:\Programme\Musicmatch\Musicmatch Jukebox\mmtask.exe"
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [msupdate] c:\windows\system32\msvcrt.exe
O4 - HKLM\..\Run: [vztiaa.exe] C:\DOKUME~1\User2\LOKALE~1\Temp\vztiaa.exe
O4 - HKLM\..\Run: [VIRIT LITE MONITOR] C:\VEXPLITE\MONLITE.EXE
O4 - HKCU\..\Run: [easynoter.exe] C:\Programme\Art Plus\EasyNoter 2.14\easynoter.exe /a
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [LDM] C:\Programme\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Programme\Gemeinsame Dateien\Ahead\lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [swg] C:\Programme\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'LOKALER DIENST')
O4 - HKUS\S-1-5-19\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVGFRE~1\avgw.exe /RUNONCE (User 'LOKALER DIENST')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'NETZWERKDIENST')
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: Iomega Quick Tools NT.lnk = C:\Iomg_NT\Quick.exe
O4 - Startup: Opzioni d'avvio Iomega .lnk = C:\Iomg_NT\startnt.exe
O4 - Global Startup: Acrobat Assistant.lnk = C:\Programme\Adobe\Acrobat 5.0\Distillr\AcroTray.exe
O4 - Global Startup: ATI CATALYST-Infobereich.lnk = C:\Programme\ATI Technologies\ATI.ACE\CLI.exe
O4 - Global Startup: Logitech Desktop Messenger.lnk = C:\Programme\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
O4 - Global Startup: Post-it® Digital Notes.lnk = ?
O4 - Global Startup: Tasto di scelta rapida per l'avvio di AutoCAD.lnk = C:\Programme\Gemeinsame Dateien\Autodesk Shared\acstart17.exe
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Programme\WinZip\WZQKPICK.EXE
O8 - Extra context menu item: Nach Microsoft &Excel exportieren - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O14 - IERESET.INF: START_PAGE_URL=http://companyweb
O15 - Trusted Zone: http://*.alice.it
O15 - Trusted Zone: http://*.alicemessenger.alice.it
O15 - Trusted Zone: http://*.messenger-wizard.rossoalice.alice.it
O15 - Trusted Zone: http://*.server
O16 - DPF: {029FDBA6-3547-11D7-AA4C-0050BF051A00} (Rawflow ICD Client) - http://212.162.68.213/rainet02/Rawflow.cab
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kaspersky.com/kos/eng/par...an_unicode.cab
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Programme\Yahoo!\Common\yinsthelper.dll
O16 - DPF: {485D813E-EE26-4DF8-9FAF-DEDF2885306E} (NSHelp Class) - http://server/ConnectComputer/nshelp.dll
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/actives...ree/asinst.cab
O16 - DPF: {F281A59C-7B65-11D3-8617-0010830243BD} (AcPreview Control) - file://C:\Programme\AutoCAD 2002\AcPreview.ocx
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = crepaz.local
O17 - HKLM\Software\..\Telephony: DomainName = crepaz.local
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = crepaz.local
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = crepaz.local
O18 - Protocol: bwfile-8876480 - {9462A756-7B47-47BC-8C80-C34B9B80B32B} - C:\Programme\Logitech\Desktop Messenger\8876480\Program\GAPlugProtocol-8876480.dll
O22 - SharedTaskScheduler: Browseui preloader - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Autodesk Licensing Service - Autodesk - C:\Programme\Gemeinsame Dateien\Autodesk Shared\Service\AdskScSrv.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: CPUCooLServer Service (CPUCooLServer) - Unknown owner - C:\Programme\CPUCooL\CooLSrv.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programme\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Iomega App Services - Iomega Corporation - C:\PROGRA~1\Iomega\System32\AppServices.exe
O23 - Service: Trend Micro Client-Server Security Agent Echtzeitsuche (ntrtscan) - Trend Micro Inc. - C:\Programme\Trend Micro\Client Server Security Agent\ntrtscan.exe
O23 - Service: DirectX Service (Nujup) - Unknown owner - C:\WINDOWS\system32\directx.exe
O23 - Service: Trend Micro Client-Server Security Agent Personal Firewall (OfcPfwSvc) - Trend Micro Inc. - C:\Programme\Trend Micro\Client Server Security Agent\OfcPfwSvc.exe
O23 - Service: ServiceLayer - Nokia. - C:\Programme\Gemeinsame Dateien\PCSuite\Services\ServiceLayer.exe
O23 - Service: Trend Micro Client-Server Security Agent Listener (tmlisten) - Trend Micro Inc. - C:\Programme\Trend Micro\Client Server Security Agent\tmlisten.exe
O23 - Service: Unterbrechungsfreie Stromversorgung (UPS) - APC - C:\Programme\Pwrchute\ups.exe
O23 - Service: Virit eXplorer Lite (viritsvclite) - TG Soft Sas www.tgsoft.it - C:\VEXPLITE\viritsvc.exe
O23 - Service: Iomega Active Disk (_IOMEGA_ACTIVE_DISK_SERVICE_) - Iomega Corporation - C:\Programme\Iomega\AutoDisk\ADService.exe

--
End of file - 10769 bytes

[Scarymiss]

Allora, tanto per cominciare controlla e casomai fixa

C:\Programme\Art Plus\EasyNoter 2.14\easynoter.exe

C:\WINDOWS\TEMP\JUE395.EXE

F3 - REG:win.ini: load=

O4 - HKLM\..\Run: [msupdate] c:\windows\system32\msvcrt.exe

O4 - HKLM\..\Run: [vztiaa.exe] C:\DOKUME~1\User2\LOKALE~1\Temp\vztiaa.exe


O4 - HKCU\..\Run: [easynoter.exe] C:\Programme\Art Plus\EasyNoter 2.14\easynoter.exe /a

O23 - Service: DirectX Service (Nujup) - Unknown owner - C:\WINDOWS\system32\directx.exe

[Bugs Bunny]

scansione con gmer e vedi se ti da voci in rosso

[Tall99]

Originariamente inviato da Bugs Bunny

scansione con gmer e vedi se ti da voci in rosso

quoto

[kech63]

Ho controllato con Gmer ma niente di rosso....Cosa vuol dire FIXARE i file controllati??????

[lancetta]

Originariamente inviato da kech63

Ho controllato con Gmer ma niente di rosso....Cosa vuol dire FIXARE i file controllati??????

che al fianco delle voci che ti hanno indicato c'è un casella che devi spuntare eppoi cliccare su "fix checked" in basso nelle schermata di hijackthis