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Thread: Infected with Zlob backdoor trojan-need help in knowing which files to delete

  1. #1
    Junior Member
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    Default Infected with Zlob backdoor trojan-need help in knowing which files to delete

    I've run an AVG scan and deleted/faulted most of the files, but still have some infected files on my laptop. Downloaded Trend Micro HjackThis v2.0.2, but when it comes to knowing which files to delete from the scan results- I'm a bit worried i'll delete something I shouldn't.
    Log file as follows:
    Logfile of Trend Micro HijackThis v2.0.2
    Scan saved at 19:34:21, on 22/06/2008
    Platform: Windows Vista SP1 (WinNT 6.00.1905)
    MSIE: Internet Explorer v7.00 (7.00.6001.18000)
    Boot mode: Normal

    Running processes:
    C:\Windows\system32\taskeng.exe
    C:\Windows\system32\Dwm.exe
    C:\Windows\Explorer.EXE
    C:\Program Files\Windows Defender\MSASCui.exe
    C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
    C:\Windows\OEM02Mon.exe
    C:\Windows\system32\igfxsrvc.exe
    C:\Windows\System32\hkcmd.exe
    C:\Windows\System32\igfxpers.exe
    C:\Windows\WindowsMobile\wmdc.exe
    C:\Program Files\Java\jre1.6.0\bin\jusched.exe
    C:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxWatchTray9.exe
    C:\Program Files\Dell\MediaDirect\PCMService.exe
    C:\Program Files\Grisoft\AVG7\avgcc.exe
    C:\Program Files\iTunes\iTunesHelper.exe
    C:\Program Files\Winamp\winampa.exe
    C:\Program Files\Sigmatel\C-Major Audio\WDM\sttray.exe
    C:\Program Files\Common Files\Real\Update_OB\realsched.exe
    C:\Windows\ehome\ehtray.exe
    C:\Program Files\Windows Media Player\wmpnscfg.exe
    C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
    C:\Program Files\WIDCOMM\Bluetooth Software\BTTray.exe
    C:\Program Files\Digital Line Detect\DLG.exe
    C:\Program Files\Dell\QuickSet\quickset.exe
    C:\Program Files\Sound Station\SNXUACP.exe
    C:\Program Files\MagicDisc\MagicDisc.exe
    C:\Windows\ehome\ehmsas.exe
    c:\Program Files\WIDCOMM\Bluetooth Software\BtStackServer.exe
    C:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\CPSHelpRunner.exe
    C:\Windows\system32\ctfmon.exe
    C:\Program Files\Web Technologies\wcs.exe
    C:\Program Files\Web Technologies\iebtm.exe
    C:\Program Files\Web Technologies\iebtmm.exe
    C:\Program Files\Grisoft\AVG7\avgwb.dat
    C:\Windows\system32\Taskmgr.exe
    C:\Program Files\Mozilla Firefox\firefox.exe
    C:\Windows\system32\SearchFilterHost.exe
    C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

    R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://internetsearchservice.com
    R1 - HKLM\Software\Microsoft\Internet Explorer,SearchURL = http://internetsearchservice.com
    R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://internetsearchservice.com
    R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://internetsearchservice.com/ie6.html
    R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://internetsearchservice.com
    R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
    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://internetsearchservice.com
    R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://internetsearchservice.com/ie6.html
    R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://internetsearchservice.com
    R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
    R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://internetsearchservice.com
    R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://internetsearchservice.com
    R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
    R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer provided by Dell
    R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
    R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
    O1 - Hosts: ::1 localhost
    O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
    O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - c:\Program Files\Java\jre1.6.0\bin\ssv.dll
    O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
    O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
    O2 - BHO: (no name) - {A49E097A-D6EF-4B2F-8B0F-1230E998587F} - C:\Program Files\Web Technologies\iebt.dll
    O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
    O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\2.0.301.7164\swg.dll
    O2 - BHO: Windows Live Toolbar Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
    O2 - BHO: Browser Address Error Redirector - {CA6319C0-31B7-401E-A518-A07C3DB8F777} - C:\Program Files\Dell\BAE\BAE.dll
    O2 - BHO: 441465 helper - {D311C486-7D5F-4D73-B791-EE56C47D3B2E} - C:\Windows\system32\441465\441465.dll
    O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
    O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
    O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
    O4 - HKLM\..\Run: [ECenter] C:\Dell\E-Center\EULALauncher.exe
    O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
    O4 - HKLM\..\Run: [OEM02Mon.exe] C:\Windows\OEM02Mon.exe
    O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe
    O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe
    O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
    O4 - HKLM\..\Run: [Windows Mobile Device Center] %windir%\WindowsMobile\wmdc.exe
    O4 - HKLM\..\Run: [SunJavaUpdateSched] "c:\Program Files\Java\jre1.6.0\bin\jusched.exe"
    O4 - HKLM\..\Run: [DELL Webcam Manager] "C:\Program Files\Dell\Dell Webcam Manager\DellWMgr.exe" /s
    O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start
    O4 - HKLM\..\Run: [RoxWatchTray] "C:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxWatchTray9.exe"
    O4 - HKLM\..\Run: [dscactivate] "C:\Program Files\Dell Support Center\gs_agent\custom\dsca.exe"
    O4 - HKLM\..\Run: [PCMService] "C:\Program Files\Dell\MediaDirect\PCMService.exe"
    O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
    O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
    O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
    O4 - HKLM\..\Run: [WinampAgent] "C:\Program Files\Winamp\winampa.exe"
    O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
    O4 - HKLM\..\Run: [SigmatelSysTrayApp] %ProgramFiles%\SigmaTel\C-Major Audio\WDM\sttray.exe
    O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
    O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\Windows Live\Messenger\MsnMsgr.Exe" /background
    O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
    O4 - HKCU\..\Run: [ares] "C:\Program Files\Ares\Ares.exe" -h
    O4 - HKCU\..\Run: [Orb] "C:\Program Files\Winamp Remote\bin\OrbTray.exe" /background
    O4 - HKCU\..\Run: [Steam] "C:\Program Files\Steam\Steam.exe" -silent
    O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
    O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
    O4 - HKCU\..\Run: [Uniblue RegistryBooster 2] c:\program files\uniblue\registrybooster 2\StartRegistryBooster.exe
    O4 - HKLM\..\Policies\Explorer\Run: [some] C:\Program Files\Web Technologies\wcs.exe
    O4 - HKLM\..\Policies\Explorer\Run: [start] C:\Program Files\Web Technologies\iebtm.exe
    O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'LOCAL SERVICE')
    O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'LOCAL SERVICE')
    O4 - HKUS\S-1-5-19\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'LOCAL SERVICE')
    O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'NETWORK SERVICE')
    O4 - HKUS\S-1-5-18\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'SYSTEM')
    O4 - HKUS\.DEFAULT\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'Default user')
    O4 - Startup: MagicDisc.lnk = C:\Program Files\MagicDisc\MagicDisc.exe
    O4 - Global Startup: Bluetooth.lnk = ?
    O4 - Global Startup: Digital Line Detect.lnk = C:\Program Files\Digital Line Detect\DLG.exe
    O4 - Global Startup: QuickSet.lnk = ?
    O4 - Global Startup: Sound Station.lnk = C:\Program Files\Sound Station\SNXUACP.exe
    O8 - Extra context menu item: &Windows Live Search - res://C:\Program Files\Windows Live Toolbar\msntb.dll/search.htm
    O8 - Extra context menu item: Add to Windows &Live Favorites - http://favorites.live.com/quickadd.aspx
    O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
    O8 - Extra context menu item: Send image to &Bluetooth Device... - c:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie_ctx.htm
    O8 - Extra context menu item: Send page to &Bluetooth Device... - c:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
    O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - c:\Program Files\Java\jre1.6.0\bin\npjpi160.dll
    O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - c:\Program Files\Java\jre1.6.0\bin\npjpi160.dll
    O9 - Extra button: @C:\Windows\WindowsMobile\INetRepl.dll,-222 - {2EAF5BB1-070F-11D3-9307-00C04FAE2D4F} - C:\Windows\WindowsMobile\INetRepl.dll
    O9 - Extra button: (no name) - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\Windows\WindowsMobile\INetRepl.dll
    O9 - Extra 'Tools' menuitem: @C:\Windows\WindowsMobile\INetRepl.dll,-223 - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\Windows\WindowsMobile\INetRepl.dll
    O9 - Extra button: (no name) - {9034A523-D068-4BE8-A284-9DF278BE776E} - http://www.iexplorergate.com/redirect.php (file missing)
    O9 - Extra 'Tools' menuitem: IE Anti-Spyware - {9034A523-D068-4BE8-A284-9DF278BE776E} - http://www.iexplorergate.com/redirect.php (file missing)
    O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
    O9 - Extra button: @btrez.dll,-4015 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - c:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
    O9 - Extra 'Tools' menuitem: @btrez.dll,-12650 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - c:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
    O13 - Gopher Prefix:
    O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/ge...sh/swflash.cab
    O20 - Winlogon Notify: avgwlntf - C:\Windows\SYSTEM32\avgwlntf.dll
    O23 - Service: Andrea ST Filters Service (AESTFilters) - Andrea Electronics Corporation - C:\Windows\system32\aestsrv.exe
    O23 - Service: Apple Mobile Device - Apple, Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
    O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
    O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
    O23 - Service: AVG7 Resident Shield Service (AvgCoreSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgrssvc.exe
    O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
    O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
    O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
    O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
    O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
    O23 - Service: RoxMediaDB9 - Sonic Solutions - C:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxMediaDB9.exe
    O23 - Service: Roxio Hard Drive Watcher 9 (RoxWatch9) - Sonic Solutions - C:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxWatch9.exe
    O23 - Service: SigmaTel Audio Service (STacSV) - IDT, Inc. - C:\Windows\system32\STacSV.exe
    O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files\Common Files\Steam\SteamService.exe
    O23 - Service: stllssvr - MicroVision Development, Inc. - C:\Program Files\Common Files\SureThing Shared\stllssvr.exe
    O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe

    --
    End of file - 12744 bytes

    Any instructions would be greatfully received, although please note I'm a bit dense when it comes to computers, so please dumb down your response as much possible!
    Thanksx

  2. #2
    Emeritus Blade81's Avatar
    Join Date
    Oct 2006
    Location
    Finland
    Posts
    25,300

    Default

    Hi


    Download ATF (Atribune Temp File) Cleanerę by Atribune to your desktop.

    Double-click ATF Cleaner.exe to open it

    Under Main choose:
    Windows Temp
    Current User Temp
    All Users Temp
    Cookies
    Temporary Internet Files
    Prefetch
    Java Cache

    *The other boxes are optional*
    Then click the Empty Selected button.

    If you use Firefox:
    Click Firefox at the top and choose: Select All
    Click the Empty Selected button.
    NOTE: If you would like to keep your saved passwords, please click NO at the prompt.

    If you use Opera:
    Click Opera at the top and choose: Select All
    Click the Empty Selected button.
    NOTE: If you would like to keep your saved passwords, please click NO at the prompt.

    Click Exit on the Main menu to close the program.


    Please download Malwarebytes' Anti-Malware to your desktop.

    • Double-click mbam-setup.exe and follow the prompts to install the program.
    • At the end, be sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish.
    • If an update is found, it will download and install the latest version.
    • Once the program has loaded, select Perform full scan, then click Scan.
    • When the scan is complete, click OK, then Show Results to view the results.
    • Be sure that everything is checked, and click Remove Selected.
    • When completed, a log will open in Notepad. Please save it to a convenient location. The log can also be found here: C:\Documents and Settings\Username\Application Data\Malwarebytes\Malwarebytes' Anti-Malware\Logs\log-date.txt
    • Please post contents of that file in your next reply.


    ____

    1. Download combofix from any of these links and save it to Desktop:
    Link 1
    Link 2
    Link 3

    **Note: It is important that it is saved directly to your desktop**

    2. Double click combofix.exe & follow the prompts.
    3. When finished, it shall produce a log for you (C:\ComboFix.txt). Post that log & a fresh hjt log in your next reply

    Note:
    Do not mouseclick combofix's window whilst it's running. That may cause it to stall

    Combofix should never take more that 20 minutes including the reboot if malware is detected.
    If it does, open Task Manager then Processes tab (press ctrl, alt and del at the same time) and end any processes of findstr, find, sed or swreg, then combofix should continue.
    If that happened we want to know, and also what process you had to end.

    If you have problems with Combofix usage, see here
    Microsoft Windows Insider MVP 2016-2018
    Microsoft MVP Consumer Security 2008-2015
    UNITE member since 2006

    If you have problems create a thread in the forum, please.

    Malware removal instructions are for the correspondent user's case only.

  3. #3
    Emeritus Blade81's Avatar
    Join Date
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    Finland
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    Default

    Due to inactivity, this thread will now be closed.

    Note:If it has been five days or more since your last post, and the helper assisting you posted a response to that post to which you did not reply, your topic will not be reopened. At that point, if you still require help, please start a new topic and include a fresh HijackThis log and a link to your previous thread.

    If it has been less than five days since your last response and you need the thread re-opened, please send me or MOD a private message (pm). A valid, working link to the closed topic is required.
    Microsoft Windows Insider MVP 2016-2018
    Microsoft MVP Consumer Security 2008-2015
    UNITE member since 2006

    If you have problems create a thread in the forum, please.

    Malware removal instructions are for the correspondent user's case only.

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