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Can't Delete Dlcore.dll


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#1 anandban

anandban

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Posted 12 December 2007 - 03:11 PM

Hi,

I keep getting a pop up from my McAfee On-Access virus scan showing that I have a trojan ldcore.dll in the folder C:\WINDOWS\system32. I tried deleting the ldcore.dll file from the safe mode but wasn't able to. Can anyone tell me how to get rid of this file. I have put the hijackthis log below.

Thanks,
Anand



Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 2:43:32 PM, on 12/12/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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\ACS.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Apoint2K\Apoint.exe
C:\Program Files\TOSHIBA\TouchPad\TPTray.exe
C:\Program Files\TOSHIBA\Touch and Launch\PadExe.exe
C:\Program Files\TOSHIBA\E-KEY\CeEKey.exe
C:\Program Files\TOSHIBA\Power Management\CePMTray.exe
C:\toshiba\ivp\ism\ivpsvmgr.exe
C:\Program Files\Network Associates\VirusScan\SHSTAT.EXE
C:\Program Files\Network Associates\Common Framework\UpdaterUI.exe
C:\Program Files\Common Files\Network Associates\TalkBack\tbmon.exe
C:\Program Files\ltmoh\Ltmoh.exe
C:\Program Files\Apoint2K\Apntex.exe
C:\Program Files\MarkAny\ContentSAFER\MAAgent.exe
C:\Program Files\Java\jre1.5.0_03\bin\jusched.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\System32\DRIVERS\CDANTSRV.EXE
C:\WINDOWS\system32\RAMASST.exe
C:\Program Files\Toshiba\Power Management\CeEPwrSvc.exe
C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
C:\Program Files\Cisco Systems\VPN Client\cvpnd.exe
C:\WINDOWS\System32\DVDRAMSV.exe
C:\Program Files\Network Associates\Common Framework\FrameworkService.exe
C:\Program Files\Network Associates\VirusScan\mcshield.exe
C:\Program Files\Network Associates\VirusScan\vstskmgr.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Spruce\X_Spruce.exe
C:\WINDOWS\System32\svchost.exe
c:\TOSHIBA\Ivp\Swupdate\swupdtmr.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\PROGRA~1\WINZIP\winzip32.exe
C:\PROGRA~1\WINZIP\winzip32.exe
C:\Documents and Settings\Anand Banerjee\Local Settings\Temp\wzec06\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.toshiba.com/search
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://toshibadirect.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
R3 - URLSearchHook: (no name) - {965A592F-8EFA-4250-8630-7960230792F1} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar.dll (file missing)
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [Apoint] C:\Program Files\Apoint2K\Apoint.exe
O4 - HKLM\..\Run: [TPNF] C:\Program Files\TOSHIBA\TouchPad\TPTray.exe
O4 - HKLM\..\Run: [PadTouch] C:\Program Files\TOSHIBA\Touch and Launch\PadExe.exe
O4 - HKLM\..\Run: [CeEKEY] C:\Program Files\TOSHIBA\E-KEY\CeEKey.exe
O4 - HKLM\..\Run: [CeEPOWER] C:\Program Files\TOSHIBA\Power Management\CePMTray.exe
O4 - HKLM\..\Run: [IVPServiceMgr] C:\toshiba\ivp\ism\ivpsvmgr.exe
O4 - HKLM\..\Run: [winupdtl] C:\WINDOWS\System32\winupdtl.exe
O4 - HKLM\..\Run: [Rxagik] C:\WINDOWS\Meruoq.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [EPSON Stylus Photo R300 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S4I2F1.EXE /P30 "EPSON Stylus Photo R300 Series" /O6 "USB001" /M "Stylus Photo R300"
O4 - HKLM\..\Run: [ShStatEXE] "C:\Program Files\Network Associates\VirusScan\SHSTAT.EXE" /STANDALONE
O4 - HKLM\..\Run: [McAfeeUpdaterUI] "C:\Program Files\Network Associates\Common Framework\UpdaterUI.exe" /StartedFromRunKey
O4 - HKLM\..\Run: [Network Associates Error Reporting Service] "C:\Program Files\Common Files\Network Associates\TalkBack\tbmon.exe"
O4 - HKLM\..\Run: [LtMoh] C:\Program Files\ltmoh\Ltmoh.exe
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Program Files\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Program Files\Logitech\Video\LogiTray.exe
O4 - HKLM\..\Run: [MAAgent] C:\Program Files\MarkAny\ContentSAFER\MAAgent.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_03\bin\jusched.exe
O4 - HKLM\..\Run: [{E7-79-93-32-ZN}] C:\Documents and Settings\Anand Banerjee\Local Settings\Temp\T0CHD001_c.exe CHD001
O4 - HKLM\..\Run: [08fe799d] rundll32.exe "C:\WINDOWS\system32\fdxjfdei.dll",b
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [EPSON Stylus Photo R300 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S4I2F1.EXE /P30 "EPSON Stylus Photo R300 Series" /M "Stylus Photo R300" /EF "HKCU"
O4 - HKCU\..\Run: [updateMgr] "C:\Program Files\Adobe\Acrobat 7.0\Reader\AdobeUpdateManager.exe" AcRdB7_0_8 -reboot 1
O4 - Startup: PowerReg SchedulerV2.exe
O4 - Startup: Spruce - Auto Update.lnk = C:\Program Files\Spruce\Spruce.exe
O4 - Startup: TA_Start.lnk = C:\Documents and Settings\Anand Banerjee\Local Settings\Temp\T0CHD001_c.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
O4 - Global Startup: RAMASST.lnk = C:\WINDOWS\system32\RAMASST.exe
O4 - Global Startup: VPN Client.lnk = ?
O8 - Extra context menu item: &Google Search - res://C:\Program Files\Google\googletoolbar.dll/cmsearch.html
O8 - Extra context menu item: Backward &Links - res://C:\Program Files\Google\googletoolbar.dll/cmbacklinks.html
O8 - Extra context menu item: Cac&hed Snapshot of Page - res://C:\Program Files\Google\googletoolbar.dll/cmcache.html
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Si&milar Pages - res://C:\Program Files\Google\googletoolbar.dll/cmsimilar.html
O8 - Extra context menu item: Translate into English - res://C:\Program Files\Google\googletoolbar.dll/cmtrans.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_03\bin\npjpi142_03.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_03\bin\npjpi142_03.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.dll
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
O14 - IERESET.INF: START_PAGE_URL=http://www.toshiba.com
O16 - DPF: {340CCF52-D65F-4A11-80B3-13DC23697B59} (BugsInstall Control) - http://player.bugs.co.kr/install/BugsInstall.cab
O16 - DPF: {5D9446DB-E849-4B95-9872-D0C21343ABF0} (MAWizard Class) - http://www.csafer.net/ActiveX/MASetupWizard.cab
O16 - DPF: {858033B9-13BC-4DFE-B62A-78E1FAA0DFD7} (MABugsDownload Control) - http://www.csafer.net/activex/mabugsdownload.cab
O16 - DPF: {9BED3AC7-E6D4-43E7-B8A1-1FA502F639E1} (XTools Control) - http://player.bugs.co.kr/install/XTools.cab
O16 - DPF: {BCEF5CDE-BAD4-4532-A30B-9D16D502DE69} (BugsInstallEx Control) - http://install.bugs.co.kr/install/BugsInstallerEx.cab
O20 - AppInit_DLLs: c:\windows\system32\ldcore.dll
O23 - Service: Atheros Configuration Service (ACS) - Unknown owner - C:\WINDOWS\System32\ACS.exe
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: C-DillaSrv - C-Dilla Ltd - C:\WINDOWS\System32\DRIVERS\CDANTSRV.EXE
O23 - Service: CeEPwrSvc - COMPAL ELECTRONIC INC. - C:\Program Files\Toshiba\Power Management\CeEPwrSvc.exe
O23 - Service: ConfigFree Service (CFSvcs) - TOSHIBA CORPORATION - C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: Cisco Systems, Inc. VPN Service (CVPND) - Cisco Systems, Inc. - C:\Program Files\Cisco Systems\VPN Client\cvpnd.exe
O23 - Service: DVD-RAM_Service - Matsubleepa Electric Industrial Co., Ltd. - C:\WINDOWS\System32\DVDRAMSV.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: McAfee Framework Service (McAfeeFramework) - Network Associates, Inc. - C:\Program Files\Network Associates\Common Framework\FrameworkService.exe
O23 - Service: Network Associates McShield (McShield) - Network Associates, Inc. - C:\Program Files\Network Associates\VirusScan\mcshield.exe
O23 - Service: Network Associates Task Manager (McTaskManager) - Network Associates, Inc. - C:\Program Files\Network Associates\VirusScan\vstskmgr.exe
O23 - Service: ViRobot ISMS Client Service (SiteClientService) - Unknown owner - C:\Program Files\Hauri\SiteClient\clisvc.exe (file missing)
O23 - Service: Swupdtmr - Unknown owner - c:\TOSHIBA\Ivp\Swupdate\swupdtmr.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe

--
End of file - 9324 bytes

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#2 RichieUK

RichieUK

    Malware Assassin


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Posted 13 December 2007 - 09:00 AM

Welcome to the BleepingComputer HijackThis Logs and Analysis forum anandban
My name is Richie and i'll be helping you to fix your problems.

Please move HijackThis.exe to a permanent folder on the hard drive such as C:\HJT
Create a new folder and place your HijackThis.exe inside that folder so that the backups of log changes it creates are saved in the same folder and can be used to reverse the line entry deletion if found to be necessary.
If HijackThis is used from a temp folder it is in danger of being accidentally deleted by Disk Cleanup or similar tools.

How to create a new folder named HJT
1. Click Start/My Computer,in the 'My Computer' window,open the window in which you want to create the new folder,click on Local Disk C:
2. From the 'File' menu choose 'New'.
3. From the 'New' menu choose 'Folder'.
4. Type the folder name: HJT
5. Then press Enter.

If you need help,follow the info in the link below:
http://russelltexas.com/malware/createhjtfolder.htm


Your version of Sun Java is out of date.
Older versions have vulnerabilities that malware can use to infect your system.
Please follow these steps to remove older versions of Sun Java,and then update.
1. Download the latest version of Java Runtime Environment (JRE)
2. Scroll down to where it says 'Java Runtime Environment (JRE) 6 update 3'.
3. Click the "Download" button to the right.
4. Check the box that says: "Accept License Agreement".
5. The page will refresh.
6. Click on the link to download 'Windows Offline Installation, Multi-language' and save to your desktop.
7. Close any programs you may have running - especially your web browser.
8. Go to Start > Control Panel double-click on Add/Remove programs and remove all older versions of Java.
9. Check any item with Java Runtime Environment (JRE or J2SE) in the name.
10. Click the Change/Remove button.
11. Repeat as many times as necessary to remove each Java version.
12. Reboot your computer once all Java components are removed.
13. Then from your desktop double-click on jre-6u3-windows-i586-p.exe to install the newest version.


If you have previously downloaded ComboFix,please delete that version now.
Warning
You should NOT use Combofix unless you have been instructed to do so by a Malware Removal Expert.
It is intended by its creator to be used under the guidance and supervision of an expert,not for private use.
Using this tool incorrectly could render your system/pc inoperable.

Now download Combofix and save to your desktop:
Note
It is important that it is saved directly to your desktop

Close any open browsers.
Disconnect from the Internet.
Double click on combofix.exe and follow the prompts.
When it's finished it will produce a log.
Post the entire contents of C:\ComboFix.txt into your next reply.
Note
Do not mouseclick combofix's window while it's running.
That may cause the program to freeze/hang.

Do NOT post the ComboFix-quarantined-files.txt unless I ask.
Note
In case your Antivirus or any other realtime scanner is displaying an alert after you downloaded Combofix or while you use Combofix,please disable your scanner and redownload Combofix again.
Some scanners may see some combofix related components as suspicious and block or delete them while there's nothing wrong with them.

Now go to:
C:\HJT\HijackThis.exe
Right click on Hijackthis.exe and select 'Rename', rename it to abc.bat
Double click on abc.bat(which is still Hijackthis.exe),post that log into your next reply please.
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