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Esentpr.dll Problem


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16 replies to this topic

#1 shulamit74

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Posted 11 August 2008 - 11:21 AM

hello,
I am using XP pro sp2.
I have been trying to remove the file esentpr.dll from my computer for a long time now(I believe it's part of a malware ).I'd tried all sorts of methods to get rid of it, but for some reason it insists on staying.Every time I try to delete it, a message comes up and informs me that I Cannot delete esentpr: Accsess is denied".Its located in C:\\WINDOWS\system32\esentpr.dll. Please help me.

Thanks, Anne

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#2 quietman7

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Posted 11 August 2008 - 11:32 AM

Go to jotti's virusscan or virustotal.com. In the "File to upload & scan" box, browse to the location of the suspicious file and submit (upload) it for scanning/analysis.
-- Post back with the results of the file analysis.

Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
MBAM will automatically start and you will be asked to update the program before performing a scan.
  • If an update is found, the program will automatically update itself.
  • Press the OK button to close that box and continue.
  • If you encounter any problems while downloading the updates, manually download them from here and just double-click on mbam-rules.exe to install.
On the Scanner tab:
  • Make sure the "Perform Quick Scan" option is selected.
  • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
Back at the main Scanner screen:
  • Click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad.
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you may be asked to reboot your computer so it can proceed with the disinfection process. Reagardless if prompted to restart the computer or not, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.
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#3 shulamit74

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Posted 11 August 2008 - 02:34 PM

First thank you for replying. :thumbsup:

File analysis:
Scan taken on 11 Aug 2008 19:04:07 (GMT)
A-Squared Found nothing
AntiVir Found TR/Trash.Gen
ArcaVir Found nothing
Avast Found nothing
AVG Antivirus Found nothing
BitDefender Found nothing
ClamAV Found nothing
CPsecure Found nothing
Dr.Web Found nothing
F-Prot Antivirus Found nothing
F-Secure Anti-Virus Found nothing
Fortinet Found nothing
Ikarus Found nothing
Kaspersky Anti-Virus Found nothing
NOD32 Found nothing
Norman Virus Control Found nothing
Panda Antivirus Found nothing
Sophos Antivirus Found nothing
VirusBuster Found nothing
VBA32 Found nothing

When I tried installing Malwarebytes Anti-Malware an error messege box appeared:
Unable to register the DLL/OCX: RegSvr32 failed with exit code 0x5.
Click Retry to try again, Ignore to proceed anyway (not recommended), or Abort to cancel installation.
So I didnt install it, what should I do?

#4 quietman7

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Posted 11 August 2008 - 08:40 PM

Can you uninstall the product, reboot the system, and reinstall the latest version. This should get rid of the error.

Error on installation v1.24
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#5 shulamit74

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Posted 12 August 2008 - 06:13 AM

I've tried several times, but the error keeps coming back...
What do I do?

#6 quietman7

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Posted 12 August 2008 - 08:01 AM

Post in the discussion thread that you have the same error so the developers can investigate further.

Then while waiting for a reply do this:

Please download ATF Cleaner by Atribune & save it to your desktop. alternate download link DO NOT use yet.
Please download and install SUPERAntiSpyware Free
  • Double-click SUPERAntiSypware.exe and use the default settings for installation.
  • An icon will be created on your desktop. Double-click that icon to launch the program.
  • If asked to update the program definitions, click "Yes". If not, update the definitions before scanning by selecting "Check for Updates". (If you encounter any problems while downloading the updates, manually download them from here and unzip into the program's folder.)
  • Under the "Configuration and Preferences", click the Preferences... button.
  • Click the "General and Startup" tab, and under Start-up Options, make sure "Start SUPERAntiSpyware when Windows starts" box is unchecked.
  • Click the "Scanning Control" tab, and under Scanner Options, make sure the following are checked (leave all others unchecked):
    • Close browsers before scanning.
    • Scan for tracking cookies.
    • Terminate memory threats before quarantining.
  • Click the "Close" button to leave the control center screen and exit the program.
  • Do not run a scan just yet.
Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".

Double-click ATF-Cleaner.exe to run the program.
  • Under Main "Select Files to Delete" choose: Select All.
  • Click the Empty Selected button.
  • If you use Firefox browser click Firefox at the top and choose: Select All
  • Click the Empty Selected button.
    If you would like to keep your saved passwords, please click No at the prompt.
  • If you use Opera browser click Opera at the top and choose: Select All
  • Click the Empty Selected button.
    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.
Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".

Scan with SUPERAntiSpyware as follows:
  • Launch the program and back on the main screen, under "Scan for Harmful Software" click Scan your computer.
  • On the left, make sure you check C:\Fixed Drive.
  • On the right, under "Complete Scan", choose Perform Complete Scan and click "Next".
  • After the scan is complete, a Scan Summary box will appear with potentially harmful items that were detected. Click "OK".
  • Make sure everything has a checkmark next to it and click "Next".
  • A notification will appear that "Quarantine and Removal is Complete". Click "OK" and then click the "Finish" button to return to the main menu.
  • If asked if you want to reboot, click "Yes" and reboot normally.
  • To retrieve the removal information after reboot, launch SUPERAntispyware again.
    • Click Preferences, then click the Statistics/Logs tab.
    • Under Scanner Logs, double-click SUPERAntiSpyware Scan Log.
    • If there are several logs, click the current dated log and press View log. A text file will open in your default text editor.
    • Please copy and paste the Scan Log results in your next reply.
  • Click Close to exit the program.

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#7 shulamit74

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Posted 12 August 2008 - 01:52 PM

Im still waiting for the reply about the Malwarebytes' Anti-Malware error on the other thread, but heres the Scan Log results:

SUPERAntiSpyware Scan Log
http://www.superantispyware.com

Generated 08/12/2008 at 09:22 PM

Application Version : 4.15.1000

Core Rules Database Version : 3534
Trace Rules Database Version: 1523

Scan type : Complete Scan
Total Scan Time : 01:11:34

Memory items scanned : 195
Memory threats detected : 0
Registry items scanned : 5251
Registry threats detected : 68
File items scanned : 39341
File threats detected : 1

Neopets Toolbar
HKLM\Software\Classes\CLSID\{CD292324-974F-4224-D074-CACA427AA030}
HKCR\CLSID\{CD292324-974F-4224-D074-CACA427AA030}
HKCR\CLSID\{CD292324-974F-4224-D074-CACA427AA030}
HKCR\CLSID\{CD292324-974F-4224-D074-CACA427AA030}\InprocServer32
HKCR\CLSID\{CD292324-974F-4224-D074-CACA427AA030}\InprocServer32#ThreadingModel
HKCR\CLSID\{CD292324-974F-4224-D074-CACA427AA030}\ProgID
C:\PROGRA~1\NEOPETS\TOOLBAR\TOOLBAR.DLL
HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{CD292324-974F-4224-D074-CACA427AA030}
HKLM\Software\Microsoft\Internet Explorer\Toolbar#{CD292324-974F-4224-D074-CACA427AA030}
HKCR\Toolbar.Neopets
HKCR\Toolbar.Neopets\Clsid
HKU\S-1-5-21-1292428093-1284227242-839522115-1003\Software\Microsoft\Internet Explorer\Toolbar\ShellBrowser#{CD292324-974F-4224-D074-CACA427AA030}
HKU\S-1-5-21-1292428093-1284227242-839522115-1003\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser#{CD292324-974F-4224-D074-CACA427AA030}

Registry Cleaner Trial
HKCR\Install.Install
HKCR\Install.Install\CLSID
HKCR\Install.Install\CurVer
HKCR\Install.Install.1
HKCR\Install.Install.1\CLSID

Trojan.Media-Codec
HKCR\650ef38e.axb8
HKCR\650ef38e.axb8\CLSID
HKCR\650ef38f.ds45
HKCR\650ef38f.ds45\CLSID
HKCR\6fa10094.vcsd
HKCR\6fa10094.vcsd\CLSID
HKCR\767960fa.ccas
HKCR\767960fa.ccas\CLSID
HKCR\767960fb.2345
HKCR\767960fb.2345\CLSID
HKCR\7fe62cc2.bctp
HKCR\7fe62cc2.bctp\CLSID
HKCR\877faba2.2dfh
HKCR\877faba2.2dfh\CLSID
HKCR\8dcb614a.afbs
HKCR\8dcb614a.afbs\CLSID
HKCR\94ad4b18.3hpo
HKCR\94ad4b18.3hpo\CLSID
HKCR\c5621605.dhcp
HKCR\c5621605.dhcp\CLSID
HKCR\Svshost1.dhcp
HKCR\Svshost1.dhcp\CLSID
HKCR\Svshost10.3hpo
HKCR\Svshost10.3hpo\CLSID
HKCR\Svshost11.cs35
HKCR\Svshost11.cs35\CLSID
HKCR\Svshost12.varh
HKCR\Svshost12.varh\CLSID
HKCR\Svshost13.fpol
HKCR\Svshost13.fpol\CLSID
HKCR\Svshost14.knbs
HKCR\Svshost14.knbs\CLSID
HKCR\Svshost15.kbns
HKCR\Svshost15.kbns\CLSID
HKCR\Svshost2.axb8
HKCR\Svshost2.axb8\CLSID
HKCR\Svshost3.ds45
HKCR\Svshost3.ds45\CLSID
HKCR\Svshost4.vcsd
HKCR\Svshost4.vcsd\CLSID
HKCR\Svshost5.ccas
HKCR\Svshost5.ccas\CLSID
HKCR\Svshost6.2345
HKCR\Svshost6.2345\CLSID
HKCR\Svshost7.bctp
HKCR\Svshost7.bctp\CLSID
HKCR\Svshost8.2dfh
HKCR\Svshost8.2dfh\CLSID
HKCR\Svshost9.afbs
HKCR\Svshost9.afbs\CLSID

Malware.SpyShredder
HKU\S-1-5-21-1292428093-1284227242-839522115-1003\Software\Microsoft\Windows\CurrentVersion\Run#SpyShredder [ C:\Program Files\SpyShredder\SpyShredder.exe ]

#8 shulamit74

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Posted 16 August 2008 - 07:54 AM

I finally managed to run the program.
Although it seems like esentpr.dll has been deleted, its actually still in my computer...

Malwarebytes' Anti-Malware log:

Malwarebytes' Anti-Malware 1.24
Database version: 1056
Windows 5.1.2600 Service Pack 2

15:31:38 16/08/2008
mbam-log-8-16-2008 (15-31-38).txt

Scan type: Quick Scan
Objects scanned: 46423
Time elapsed: 11 minute(s), 58 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 2
Registry Values Infected: 5
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{98de06a3-713d-4708-86b0-24a287964aa1} (Trojan.BHO) -> Delete on reboot.
HKEY_CLASSES_ROOT\CLSID\{98de06a3-713d-4708-86b0-24a287964aa1} (Trojan.BHO) -> Delete on reboot.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Settings\bf (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Settings\bk (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Settings\iu (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Settings\mu (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\tfnslopk (Trojan.FakeAlert) -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\esentpr.dll (Trojan.BHO) -> Delete on reboot.

#9 quietman7

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Posted 16 August 2008 - 08:00 AM

Your MBAM log indicates some files will be deleted on reboot. If MBAM encounters a file that is difficult to remove, you need to restart the computer so the malware can be fully removed. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. If you have not rebooted, make sure you do this. When done, rescan again with MBAM and check all items found for removal. Then click the Logs tab and copy/paste the contents of the new report in your next reply. If you did reboot, then rescan again anyway and post a new log.

If the file keeps returning try using MBAM's built-in FileAssassin feature for removing stubborn malware files.
  • Go to the "More Tools" tab and click on the "Run Tool" button
  • Browse to the location of the file(s) to remove using the drop down box next to "Look in:" at the top.
  • When you find the file(s), click "Open".
  • You will be prompted with a message warning: This file will be permanently deleted. Are you sure you want to continue?. Click Yes.
  • If removal did not require a reboot, you will receive a message indicating the file was deleted successfully, however, I recommend you reboot anyway.

Caution: Be careful what you delete. FileAssassin is a powerful program, designed to move highly persistent files. Using it incorrectly could lead to disastrous problems with your operating system.


Edited by quietman7, 16 August 2008 - 08:01 AM.

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#10 shulamit74

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Posted 16 August 2008 - 10:54 AM

I have rebooted normally the first time
I've scaned and rebooted again, heres the new log:

Malwarebytes' Anti-Malware 1.24
Database version: 1056
Windows 5.1.2600 Service Pack 2

17:34:38 16/08/2008
mbam-log-8-16-2008 (17-34-38).txt

Scan type: Quick Scan
Objects scanned: 46614
Time elapsed: 10 minute(s), 52 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 2
Registry Values Infected: 5
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{98de06a3-713d-4708-86b0-24a287964aa1} (Trojan.BHO) -> Delete on reboot.
HKEY_CLASSES_ROOT\CLSID\{98de06a3-713d-4708-86b0-24a287964aa1} (Trojan.BHO) -> Delete on reboot.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Settings\bf (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Settings\bk (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Settings\iu (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Settings\mu (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\tfnslopk (Trojan.FakeAlert) -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\esentpr.dll (Trojan.BHO) -> Delete on reboot.

I also tried useing FileAssassin. It did require me to reboot my computer, and so I did.
But this annoying Trojan just won't go quietly...yes its still there, mocking me, laughing at my unsuccessful attempts to get rid of it... :thumbsup:

#11 quietman7

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Posted 16 August 2008 - 11:11 AM

Lets try something else.

Please download IceSword and save to your desktop.
alternate site 1
alternate site 2
  • Create a new folder on your hard drive called IceSword (C:\IceSword) and extract (unzip) the file there. (click here if your not sure how to do this.)
  • Open the folder and double-click on IceSword.exe to launch it.
    If you want to create a shortcut, right-click on IceSword.exe, choose Send to > Desktop (create shortcut) and you can run the program directly from the Desktop using the shortcut icon.
  • When the program opens, click the upside down black arrow near the bottom of the menu on the left under "Functions" and click on the BHO icon.
  • Look for the BHO/Class ID you want to remove.
    (The CLSID or Class ID is long 128 bit number composed of a combination of letters, numbers and slashes - in your case it looks like its 98de06a3-713d-4708-86b0-24a287964aa1)
  • Right-click (highlight) the CLSID entry to remove and choose Delete.
  • Return to the left menu and click on "File" at the bottom.
  • This will display a Windows Explorer type interface.
  • Navigate to the esentpr.dll file associated with the CLSID you noted earlier.
  • Right-click (highlight) that file and choose force Delete.
  • A message will appear "Are you sure? You'd better reboot after deleting." Click Yes.
  • Exit IceSword when done and reboot your computer.
The rescan again with MBAM as you have previously done and post a new log.
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#12 shulamit74

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Posted 16 August 2008 - 07:08 PM

Checkmate! :flowers: the Trojan is officially out of my life! Thank you so much for your help, you saved my computer.You are a truely kind dude :thumbsup:

Heres the new scan log:

Malwarebytes' Anti-Malware 1.24
Database version: 1056
Windows 5.1.2600 Service Pack 2

03:05:16 17/08/2008
mbam-log-8-17-2008 (03-05-16).txt

Scan type: Quick Scan
Objects scanned: 47035
Time elapsed: 10 minute(s), 38 second(s)

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

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\tfnslopk (Trojan.FakeAlert) -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)

#13 quietman7

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Posted 17 August 2008 - 07:30 AM

You're welcome.

If there are no more problems or signs of infection, you should Create a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been saved in System Restore. Since this is a protected directory your tools cannot access to delete these files, they sometimes can reinfect your system if you accidentally use an old restore point. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Start > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name, then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to use System Restore.
  • Then use Disk Cleanup to remove all but the most recently created Restore Point.
  • Go to Start > Run and type: Cleanmgr
  • Click "Ok"
  • Disk Cleanup will scan your files for several minutes, then open.
  • Click the "More Options" Tab.
  • Click the "Clean up" button under System Restore.
  • Click Ok. You will be prompted with "Are you sure you want to delete all but the most recent restore point?"
  • Click Yes, then click Ok.
  • Click Yes again when prompted with "Are you sure you want to perform these actions?"
  • Disk Cleanup will remove the files and close automatically.

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#14 shulamit74

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Posted 17 August 2008 - 02:14 PM

OK, just one problem. Malwarebytes' Anti-Malware last scan has found a Torjan here: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\tfnslopk. For some reason it was not able to delete it, so I tried using IceSword but it couldn't remove it either... any suggestions?

#15 quietman7

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Posted 17 August 2008 - 03:57 PM

MBAM should have easily been able to remove that entry unless something is still on your system protecting it. Sometimes another piece of malware which has not been detected protects other files (which have been detected) so they cannot be permanently deleted. Others are difficult to remove completely because of their morphing characteristics which allows the malware to regenerate itself.

I think you may have been dealing with more than the previous stubborn .dll file we removed and recommend further investigation. Before that can be done you will need you to create and post a hijackthis log.

Please read the pinned topic titled "Preparation Guide For Use Before Posting A Hijackthis Log". In Step 9 there are instructions for downloading the HijackThis Installer and creating a log. This is an automatic setup version which will install the program in the proper location.

When you have done that, post your log in the HijackThis Logs and Malware Removal forum, NOT here, for assistance by the HJT Team Experts. A member of the Team will walk you through, step by step, on how to clean your computer. If you post your log back in this thread, the response from the HJT Team will be delayed because your post will have to be moved. This means it will fall in line behind any others posted that same day.

Start a new topic, give it a relevant title and post your log along with a brief description of your problem, a summary of any anti-malware tools you have used and a summary of any steps that you have performed on your own. An expert will analyze your log and reply with instructions advising you what to fix. After doing this, we would appreciate if you post a link to your log back here so we know that your getting help from the HJT Team.

Please be patient. It may take a while to get a response because the HJT Team members are very busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT "bump" your post or make another reply until it has been responded to by a member of the HJT Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another HJT Team member is already assisting you and not open the thread to respond.

If after 5 days you still have received no response, then post a link to your HJT log in the thread titled "Haven't Had A Reply In Five Days?".
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