Trojan podszywajacy sie pod winlogon.exe?


(Łukasz234) #1

Dopiero co przeinstalowalem system, łatki, zainstalowalem firewalla, AV i antyspyware i ku mojemu zdziwieniu program a-squared wykrywa rzekomo jakiegos trojana :o .Troche to dziwne zwazywszy na swiezy system i "aseptyczna" instalacje. Czy to false alarm? Załączam log z a-squared i logi z Hijack i silent runners:

a-squared Free - Version 2.1


Skanowanie ustawień:


Obiekty: Pamięć, Ślady, Ciasteczka, C:\WINDOWS\, C:\Program Files

Skanowanie archiwów: Wł.

Heurystyka: Wł.

Skanowanie reklam: Wł.


Uruchomione skanowanie:	2007-02-07 09:35:25


C:\WINDOWS\$NtServicePackUninstall$\winlogon.exe wykryto: Trojan.Win32.Agent.gq


Zeskanowano


Pliki: 14552

Ślady: 96897

Ciasteczka: 8

Procesy: 33


Znaleziono


Pliki: 1

Ślady: 0

Ciasteczka: 0

Procesy: 0

Klucze rejestru: 0


Zakończono skanowanie:	2007-02-07 10:06:18

Scan time:	00:30:53

Hijack:

Logfile of HijackThis v1.99.1

Scan saved at 10:30:53, on 2007-02-07

Platform: Windows XP Dodatek SP2 (WinNT 5.01.2600)

MSIE: Internet Explorer v7.00 (7.00.5730.0011)


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:\Program Files\Alwil Software\Avast4\aswUpdSv.exe

C:\Program Files\Alwil Software\Avast4\ashServ.exe

C:\Program Files\Sunbelt Software\Personal Firewall\kpf4ss.exe

C:\WINDOWS\System32\nvsvc32.exe

C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe

C:\Program Files\Sunbelt Software\Personal Firewall\kpf4gui.exe

C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe

C:\Program Files\Alwil Software\Avast4\ashWebSv.exe

C:\WINDOWS\Explorer.EXE

C:\Program Files\Sunbelt Software\Personal Firewall\kpf4gui.exe

C:\WINDOWS\system32\RUNDLL32.EXE

C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe

C:\Program Files\QuickTime\qttask.exe

C:\Program Files\Webroot\Spy Sweeper\SpySweeperUI.exe

C:\WINDOWS\system32\ctfmon.exe

C:\Program Files\Google\GoogleToolbarNotifier\1.0.720.3640\GoogleToolbarNotifier.exe

C:\WINDOWS\system32\devldr32.exe

C:\Program Files\Logitech\MouseWare\system\em_exec.exe

C:\Program Files\Internet Explorer\iexplore.exe

C:\Program Files\WinRAR\WinRAR.exe

C:\DOCUME~1\Lukasz\USTAWI~1\Temp\Rar$EX00.893\HijackThis.exe


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

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Łącza

O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll

O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll

O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll

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: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe

O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe

O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime

O4 - HKLM\..\Run: [SpySweeper] C:\Program Files\Webroot\Spy Sweeper\SpySweeperUI.exe /startintray

O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe

O4 - HKCU\..\Run: [swg] "C:\Program Files\Google\GoogleToolbarNotifier\1.0.720.3640\GoogleToolbarNotifier.exe"

O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Reader 8.0\Reader\reader_sl.exe

O4 - Global Startup: Adobe Reader Synchronizer.lnk = C:\Program Files\Adobe\Reader 8.0\Reader\AdobeCollabSync.exe

O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)

O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)

O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe

O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe

O11 - Options group: [INTERNATIONAL] International*

O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1170691921879

O20 - Winlogon Notify: WRNotifier - C:\WINDOWS\SYSTEM32\WRLogonNTF.dll

O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe

O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe

O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)

O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)

O23 - Service: Sunbelt Kerio Personal Firewall 4 (KPF4) - Sunbelt Software - C:\Program Files\Sunbelt Software\Personal Firewall\kpf4ss.exe

O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe

O23 - Service: Webroot Spy Sweeper Engine (WebrootSpySweeperService) - Webroot Software, Inc. - C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe

Silent runners:

"Silent Runners.vbs", revision R50, http://www.silentrunners.org/

Operating System: Windows XP SP2

Output limited to non-default values, except where indicated by "{++}"



Startup items buried in registry:

---------------------------------


HKCU\Software\Microsoft\Windows\CurrentVersion\Run\ {++}

"CTFMON.EXE" = "C:\WINDOWS\system32\ctfmon.exe" [MS]

"swg" = ""C:\Program Files\Google\GoogleToolbarNotifier\1.0.720.3640\GoogleToolbarNotifier.exe"" ["Google Inc."]


HKLM\Software\Microsoft\Windows\CurrentVersion\Run\ {++}

"NvCplDaemon" = ""RUNDLL32.EXE" C:\WINDOWS\System32\NvCpl.dll,NvStartup" [MS]

"nwiz" = ""nwiz.exe" /install" ["NVIDIA Corporation"]

"NvMediaCenter" = ""RUNDLL32.EXE" C:\WINDOWS\System32\NvMcTray.dll,NvTaskbarInit" [MS]

"avast!" = "C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe" [null data]

"Logitech Utility" = "Logi_MwX.Exe" ["Logitech Inc."]

"QuickTime Task" = ""C:\Program Files\QuickTime\qttask.exe" -atboottime" ["Apple Computer, Inc."]

"SpySweeper" = "C:\Program Files\Webroot\Spy Sweeper\SpySweeperUI.exe /startintray" ["Webroot Software, Inc."]


HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\

{06849E9F-C8D7-4D59-B87D-784B7D6BE0B3}\(Default) = (no title provided)

  -> {HKLM...CLSID} = "Adobe PDF Reader Link Helper"

                   \InProcServer32\(Default) = "C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll" ["Adobe Systems Incorporated"]

{AA58ED58-01DD-4d91-8333-CF10577473F7}\(Default) = (no title provided)

  -> {HKLM...CLSID} = "Google Toolbar Helper"

                   \InProcServer32\(Default) = "c:\program files\google\googletoolbar1.dll" ["Google Inc."]


HKLM\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved\

"{42071714-76d4-11d1-8b24-00a0c9068ff3}" = "Rozszerzenie CPL kadrowania wyświetlania"

  -> {HKLM...CLSID} = "Rozszerzenie CPL kadrowania wyświetlania"

                   \InProcServer32\(Default) = "deskpan.dll" [file not found]

"{88895560-9AA2-1069-930E-00AA0030EBC8}" = "Rozszerzenie ikony HyperTerminalu"

  -> {HKLM...CLSID} = "HyperTerminal Icon Ext"

                   \InProcServer32\(Default) = "C:\WINDOWS\System32\hticons.dll" ["Hilgraeve, Inc."]

"{A70C977A-BF00-412C-90B7-034C51DA2439}" = "NvCpl DesktopContext Class"

  -> {HKLM...CLSID} = "DesktopContext Class"

                   \InProcServer32\(Default) = "C:\WINDOWS\System32\nvcpl.dll" ["NVIDIA Corporation"]

"{FFB699E0-306A-11d3-8BD1-00104B6F7516}" = "Play on my TV helper"

  -> {HKLM...CLSID} = "NVIDIA CPL Extension"

                   \InProcServer32\(Default) = "C:\WINDOWS\System32\nvcpl.dll" ["NVIDIA Corporation"]

"{1CDB2949-8F65-4355-8456-263E7C208A5D}" = "Desktop Explorer"

  -> {HKLM...CLSID} = "Desktop Explorer"

                   \InProcServer32\(Default) = "C:\WINDOWS\System32\nvshell.dll" ["NVIDIA Corporation"]

"{1E9B04FB-F9E5-4718-997B-B8DA88302A47}" = "Desktop Explorer Menu"

  -> {HKLM...CLSID} = (no title provided)

                   \InProcServer32\(Default) = "C:\WINDOWS\System32\nvshell.dll" ["NVIDIA Corporation"]

"{1E9B04FB-F9E5-4718-997B-B8DA88302A48}" = "nView Desktop Context Menu"

  -> {HKLM...CLSID} = "nView Desktop Context Menu"

                   \InProcServer32\(Default) = "C:\WINDOWS\System32\nvshell.dll" ["NVIDIA Corporation"]

"{472083B0-C522-11CF-8763-00608CC02F24}" = "avast"

  -> {HKLM...CLSID} = "avast"

                   \InProcServer32\(Default) = "C:\Program Files\Alwil Software\Avast4\ashShell.dll" ["ALWIL Software"]

"{7C9D5882-CB4A-4090-96C8-430BFE8B795B}" = "Webroot Spy Sweeper Context Menu Integration"

  -> {HKLM...CLSID} = "Webroot Spy Sweeper Context Menu Integration"

                   \InProcServer32\(Default) = "C:\PROGRA~1\Webroot\SPYSWE~1\SSCtxMnu.dll" ["Webroot Software, Inc."]

"{B41DB860-8EE4-11D2-9906-E49FADC173CA}" = "WinRAR shell extension"

  -> {HKLM...CLSID} = "WinRAR"

                   \InProcServer32\(Default) = "C:\Program Files\WinRAR\rarext.dll" [null data]

"{A155339D-CCCD-4714-85EB-3754B804C9DF}" = "a-squared Free Context Menu Shell Extension"

  -> {HKLM...CLSID} = "a-squared Free Context Menu"

                   \InProcServer32\(Default) = "C:\PROGRA~1\A-SQUA~1\A2FREE~1.DLL" ["Emsi Software GmbH"]


HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\

<> WRNotifier\DLLName = "WRLogonNTF.dll" ["Webroot Software, Inc."]


HKLM\Software\Classes\Folder\shellex\ColumnHandlers\

{F9DB5320-233E-11D1-9F84-707F02C10627}\(Default) = "PDF Column Info"

  -> {HKLM...CLSID} = "PDF Shell Extension"

                   \InProcServer32\(Default) = "C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\PDFShell.dll" ["Adobe Systems, Inc."]


HKLM\Software\Classes\*\shellex\ContextMenuHandlers\

avast\(Default) = "{472083B0-C522-11CF-8763-00608CC02F24}"

  -> {HKLM...CLSID} = "avast"

                   \InProcServer32\(Default) = "C:\Program Files\Alwil Software\Avast4\ashShell.dll" ["ALWIL Software"]

WinRAR\(Default) = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"

  -> {HKLM...CLSID} = "WinRAR"

                   \InProcServer32\(Default) = "C:\Program Files\WinRAR\rarext.dll" [null data]


HKLM\Software\Classes\Directory\shellex\ContextMenuHandlers\

WinRAR\(Default) = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"

  -> {HKLM...CLSID} = "WinRAR"

                   \InProcServer32\(Default) = "C:\Program Files\WinRAR\rarext.dll" [null data]


HKLM\Software\Classes\Folder\shellex\ContextMenuHandlers\

a2FreeContMenu\(Default) = "{A155339D-CCCD-4714-85EB-3754B804C9DF}"

  -> {HKLM...CLSID} = "a-squared Free Context Menu"

                   \InProcServer32\(Default) = "C:\PROGRA~1\A-SQUA~1\A2FREE~1.DLL" ["Emsi Software GmbH"]

avast\(Default) = "{472083B0-C522-11CF-8763-00608CC02F24}"

  -> {HKLM...CLSID} = "avast"

                   \InProcServer32\(Default) = "C:\Program Files\Alwil Software\Avast4\ashShell.dll" ["ALWIL Software"]

SpySweeper\(Default) = "{7C9D5882-CB4A-4090-96C8-430BFE8B795B}"

  -> {HKLM...CLSID} = "Webroot Spy Sweeper Context Menu Integration"

                   \InProcServer32\(Default) = "C:\PROGRA~1\Webroot\SPYSWE~1\SSCtxMnu.dll" ["Webroot Software, Inc."]

WinRAR\(Default) = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"

  -> {HKLM...CLSID} = "WinRAR"

                   \InProcServer32\(Default) = "C:\Program Files\WinRAR\rarext.dll" [null data]


HKLM\Software\Classes\AllFilesystemObjects\shellex\ContextMenuHandlers\

a2FreeContMenu\(Default) = "{A155339D-CCCD-4714-85EB-3754B804C9DF}"

  -> {HKLM...CLSID} = "a-squared Free Context Menu"

                   \InProcServer32\(Default) = "C:\PROGRA~1\A-SQUA~1\A2FREE~1.DLL" ["Emsi Software GmbH"]

SpySweeper\(Default) = "{7C9D5882-CB4A-4090-96C8-430BFE8B795B}"

  -> {HKLM...CLSID} = "Webroot Spy Sweeper Context Menu Integration"

                   \InProcServer32\(Default) = "C:\PROGRA~1\Webroot\SPYSWE~1\SSCtxMnu.dll" ["Webroot Software, Inc."]



Group Policies {policy setting}:

--------------------------------


Note: detected settings may not have any effect.


HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\


"shutdownwithoutlogon" = (REG_DWORD) hex:0x00000001

{Shutdown: Allow system to be shut down without having to log on}


"undockwithoutlogon" = (REG_DWORD) hex:0x00000001

{Devices: Allow undock without having to log on}



Active Desktop and Wallpaper:

-----------------------------


Active Desktop may be disabled at this entry:

HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\ShellState


Displayed if Active Desktop enabled and wallpaper not set by Group Policy:

HKCU\Software\Microsoft\Internet Explorer\Desktop\General\

"Wallpaper" = "C:\WINDOWS\system32\config\systemprofile\Ustawienia lokalne\Dane aplikacji\Microsoft\Wallpaper1.bmp"


Displayed if Active Desktop disabled and wallpaper not set by Group Policy:

HKCU\Control Panel\Desktop\

"Wallpaper" = "C:\Documents and Settings\Lukasz\Ustawienia lokalne\Dane aplikacji\Microsoft\Wallpaper1.bmp"



Enabled Screen Saver:

---------------------


HKCU\Control Panel\Desktop\

"SCRNSAVE.EXE" = "C:\WINDOWS\System32\logon.scr" [MS]



Startup items in "Lukasz" & "All Users" startup folders:

--------------------------------------------------------


C:\Documents and Settings\All Users\Menu Start\Programy\Autostart

"Adobe Reader Speed Launch" -> shortcut to: "C:\Program Files\Adobe\Reader 8.0\Reader\reader_sl.exe" ["Adobe Systems Incorporated"]

"Adobe Reader Synchronizer" -> shortcut to: "C:\Program Files\Adobe\Reader 8.0\Reader\AdobeCollabSync.exe" [null data]



Enabled Scheduled Tasks:

------------------------


"AppleSoftwareUpdate" -> launches: "C:\Program Files\Apple Software Update\SoftwareUpdate.exe -Task" ["Apple Computer, Inc."]



Winsock2 Service Provider DLLs:

-------------------------------


Namespace Service Providers


HKLM\System\CurrentControlSet\Services\Winsock2\Parameters\NameSpace_Catalog5\Catalog_Entries\ {++}

000000000001\LibraryPath = "%SystemRoot%\System32\mswsock.dll" [MS]

000000000002\LibraryPath = "%SystemRoot%\System32\winrnr.dll" [MS]

000000000003\LibraryPath = "%SystemRoot%\System32\mswsock.dll" [MS]


Transport Service Providers


HKLM\System\CurrentControlSet\Services\Winsock2\Parameters\Protocol_Catalog9\Catalog_Entries\ {++}

0000000000##\PackedCatalogItem (contains) DLL [Company Name], (at) ## range:

%SystemRoot%\system32\mswsock.dll [MS], 01 - 03, 06 - 11

%SystemRoot%\system32\rsvpsp.dll [MS], 04 - 05



Toolbars, Explorer Bars, Extensions:

------------------------------------


Toolbars


HKCU\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser\

"{2318C2B1-4965-11D4-9B18-009027A5CD4F}"

  -> {HKLM...CLSID} = "&Google"

                   \InProcServer32\(Default) = "c:\program files\google\googletoolbar1.dll" ["Google Inc."]


HKLM\Software\Microsoft\Internet Explorer\Toolbar\

"{2318C2B1-4965-11D4-9B18-009027A5CD4F}" = (no title provided)

  -> {HKLM...CLSID} = "&Google"

                   \InProcServer32\(Default) = "c:\program files\google\googletoolbar1.dll" ["Google Inc."]


Extensions (Tools menu items, main toolbar menu buttons)


HKLM\Software\Microsoft\Internet Explorer\Extensions\

{E2E2DD38-D088-4134-82B7-F2BA38496583}\

"MenuText" = "@xpsp3res.dll,-20001"

"Exec" = "%windir%\Network Diagnostic\xpnetdiag.exe" [MS]


{FB5F1910-F110-11D2-BB9E-00C04F795683}\

"ButtonText" = "Messenger"

"MenuText" = "Windows Messenger"

"Exec" = "C:\Program Files\Messenger\msmsgs.exe" [MS]



Running Services (Display Name, Service Name, Path {Service DLL}):

------------------------------------------------------------------


avast! Antivirus, avast! Antivirus, ""C:\Program Files\Alwil Software\Avast4\ashServ.exe"" [null data]

avast! iAVS4 Control Service, aswUpdSv, ""C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe"" [null data]

avast! Mail Scanner, avast! Mail Scanner, ""C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service" ["ALWIL Software"]

avast! Web Scanner, avast! Web Scanner, ""C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service" ["ALWIL Software"]

NVIDIA Display Driver Service, NVSvc, "C:\WINDOWS\System32\nvsvc32.exe" ["NVIDIA Corporation"]

Sunbelt Kerio Personal Firewall 4, KPF4, ""C:\Program Files\Sunbelt Software\Personal Firewall\kpf4ss.exe"" ["Sunbelt Software"]

Webroot Spy Sweeper Engine, WebrootSpySweeperService, "C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe" ["Webroot Software, Inc."]



Keyboard Driver Filters:

------------------------


HKLM\System\CurrentControlSet\Control\Class\{4D36E96B-E325-11CE-BFC1-08002BE10318}\

"UpperFilters" = <> "SSKBFD" ["Webroot Software Inc (www.webroot.com)"]



Print Monitors:

---------------


HKLM\System\CurrentControlSet\Control\Print\Monitors\

CNY SELPHY CP LM1\Driver = "CNYMLM01.DLL" ["CANON INC."]



----------

<>: Suspicious data at a malware launch point.


+ This report excludes default entries except where indicated.

+ To see *everywhere* the script checks and *everything* it finds,

  launch it from a command prompt or a shortcut with the -all parameter.

+ To search all directories of local fixed drives for DESKTOP.INI

  DLL launch points, use the -supp parameter or answer "No" at the

  first message box and "Yes" at the second message box.

---------- (total run time: 87 seconds, including 9 seconds for message boxes)

Stawiam na falszywy alarm, ale prosze o analize, bo nigdy nie wiadomo cos sie w bitach czai.


(adam9870) #2

Logi są czyste.

Cytat @picasso:

źródło.

Tak więc być może kiedyś plik winlogon.exe był zainfekowany, a przy obecnym pliku znajdującym się w katalogu c:\windows\system32 a-squared Free nie ma nic do powiedzenia. Może instalacja SP2 lub innej poprawki systemowej spowodowała wyleczenie tego pliku.