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removal of Backdoor.Win32.Agent.tlr

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Name: archduke chocula
Date: October 19, 2008 at 14:34:17 Pacific
OS: windows XP
CPU/Ram: -
Product: -
Comment:

does anyone know how to remove Backdoor.Win32.Agent.tlr. I have zonelabs and it is unable to delete, rename, or otherwisw treat it.



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Response Number 1
Name: jabuck
Date: October 19, 2008 at 15:24:35 Pacific
Reply:

Please download Malwarebytes' Anti-Malware from one of these sites:

MalwareBytes1

MalwareBytes2

1. Double Click mbam-setup.exe to install the application.
2. Make sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish.
3. If an update is found, it will download and install the latest version.
4. Once the program has loaded, select "Perform Quick Scan", then click Scan. The scan may take some time to finish,so please be patient.
5. When the scan is complete, click OK, then Show Results to view the results.
6. Make sure that everything found is checked, and click Remove Selected.
7. When disinfection is completed, a log will open in Notepad and you may be prompted to Restart. If MBAM encounters a file that is difficult to remove,you will be presented with 1 of 2 prompts,click OK to either and let MBAM proceed with the disinfection process,if asked to restart the computer,please do so immediately.
8. The log is automatically saved by MBAM and can be viewed by clicking the Logs tab in MBAM.
9. Copy&Paste the entire report in your next reply.


Please download and install the latest version of HijackThis v2.0.2:


Download the "HijackThis" Installer from this link:
Hijack This


1. Save " HJTInstall.exe" to your desktop.
2. Double click on HJTInstall.exe to run the program.
3. By default it will install to C:\Program Files\Trend Micro\HijackThis.
4. Accept the license agreement by clicking the "I Accept" button.
5.Click on the "Do a system scan and save a log file" button. It will scan and then ask you to save the log.
6. Click "Save log" to save the log file and then the log will open in Notepad.
7. Click on "Edit > Select All" then click on "Edit > Copy" to copy the entire contents of the log.
8. Paste the log in your next reply.
9. Do NOT have HijackThis fix anything yet! Most of what it finds will be harmless or even required.


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Response Number 2
Name: archduke chocula
Date: October 19, 2008 at 19:45:58 Pacific
Reply:

Malwarebytes' Anti-Malware 1.29
Database version: 1295
Windows 5.1.2600 Service Pack 3

10/19/2008 9:40:23 PM
mbam-log-2008-10-19 (21-40-23).txt

Scan type: Quick Scan
Objects scanned: 42228
Time elapsed: 10 minute(s), 1 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 1
Registry Keys Infected: 5
Registry Values Infected: 1
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 3

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
C:\WINDOWS\system32\ljJATJyY.dll (Trojan.Vundo) -> Delete on reboot.

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9e91ef7b-6846-45c3-a8ab-67cf7c900783} (Trojan.Vundo.H) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\ljjatjyy (Trojan.Vundo.H) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\CLSID\{9e91ef7b-6846-45c3-a8ab-67cf7c900783} (Trojan.Vundo.H) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\instbndlkeyldr (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\instkey (Trojan.Vundo) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks\{9e91ef7b-6846-45c3-a8ab-67cf7c900783} (Trojan.Vundo) -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\ljJATJyY.dll (Trojan.Vundo.H) -> Delete on reboot.
C:\Documents and Settings\Brian\Local Settings\Temp\prun.exe (Trojan.Downloader) -> Quarantined and deleted successfully.
C:\Documents and Settings\Brian\Local Settings\Temp\winasnet.exe (Trojan.Inject) -> Quarantined and deleted successfully.


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Response Number 3
Name: archduke chocula
Date: October 19, 2008 at 19:48:35 Pacific
Reply:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 9:47:10 PM, on 10/19/2008
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16735)
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\wltrysvc.exe
C:\WINDOWS\SOUNDMAN.exe
C:\WINDOWS\System32\bcmwltry.exe
C:\WINDOWS\system32\RUNDLL32.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\WINDOWS\system32\ctfmon.exe
C:\PROGRA~1\ZONELA~1\ZONEAL~1\MAILFR~1\mantispm.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Brian\Desktop\HiJackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?Lin...
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?Lin...
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?Lin...
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?Lin...
O4 - HKLM\..\Run: [Ptipbmf] rundll32.exe ptipbmf.dll,SetWriteCacheMode
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.exe
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: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: AutorunsDisabled
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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
O16 - DPF: {1E54D648-B804-468d-BC78-4AFFED8E262E} (System Requirements Lab) - http://www.nvidia.com/content/Drive...
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/win...
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microso...
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/g...
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
O23 - Service: WLTRYSVC - Unknown owner - C:\WINDOWS\System32\wltrysvc.exe

--
End of file - 3709 bytes


thats the second one

thanks
-Brian


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Response Number 4
Name: jabuck
Date: October 19, 2008 at 20:17:53 Pacific
Reply:

First, I don't see an antivirus program running, you must have one to continue or you will get reinfected almost immediately from the internet.

I use the free version of AVG antivirus, you can download it at this link:
AVG Free Antivirus

Update it once you get it installed.

Please download ComboFix to the desktop from one of the following links:

Link1

Link 2

Link 3

Combofix is a powerful tool so follow the instructions exactly or you could damage your computer.

Very Important! Temporarily disable your anti-virus, script blocking and any anti-malware real-time protection before performing a scan. They can interfere with Combofix and remove some of its embedded files which may cause "unpredictable results".
Click on This Link to see a list of programs that should be disabled. The list is not all inclusive. If yours is not listed and you don't know how to disable it, please ask.

In your case to run Combofix do the following:
1. Go offline turn off your AVG antivirus, and any antispyware that you may have.
2. Run Combofix and save its log.
3. Restart the computer to get the antivirus running again but leave the antispyware programs off until we get the computer cleaned.
4. Post the Combofix log.


Remember to re-enable the protection again afterwards before connecting to the Internet.

Double-click combofix.exe
Follow the prompts.
(Don't click on the window while the program is running or move the mouse, it will cause your system to hang.)
Please post the log it produces.


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Response Number 5
Name: archduke chocula
Date: October 20, 2008 at 18:23:48 Pacific
Reply:

I'm running zonelabs zonealarm

C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe

that's what originaly detected the infection, but it was unable to treat it.


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Response Number 6
Name: jabuck
Date: October 20, 2008 at 18:41:48 Pacific
Reply:

Ok, turn it off before you run Combofix.


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