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Used Malwarebytes now getting popup error


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8 replies to this topic

#1 mejutty

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Posted 16 April 2009 - 10:43 AM

Hi I have a pc runnig xp that was infected. Ran malwarebytes and here is the log

Malwarebytes' Anti-Malware 1.36
Database version: 1979
Windows 5.1.2600 Service Pack 3

16/04/2009 10:18:01 PM
mbam-log-2009-04-16 (22-18-01).txt

Scan type: Quick Scan
Objects scanned: 78682
Time elapsed: 3 minute(s), 5 second(s)

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

Memory Processes Infected:
(No malicious items detected)

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

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\Documents and Settings\Kaz\Local Settings\Temp\tmp57F.tmp.exe (Trojan.Agent.W) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\msgctfls.dll (Trojan.Vundo) -> Delete on reboot.

Now on reboot I get these popups when you try and do anything that is after you click through 30 just to get to the desktop.

Unable To Locate Component : This application has failed to start because msgctfls.dll was not found. Re-installing the application may fix this problem.

Now I scanned the registry first and there is no mention of this file so I am now stuck as to where to look. Futher scans show no more infections but the popups just keep coming

Any help is greatly appreciated.

BC AdBot (Login to Remove)

 


#2 quietman7

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Posted 16 April 2009 - 11:06 AM

Your Malwarebytes Anti-Malware log indicates you are using an outdated database version. Please update it through the program's interface (preferable method) or manually download the definition updates and just double-click on mbam-rules.exe to install. Then perform a new Quick Scan in normal mode and check all items found for removal. Don't forgot to reboot afterwards. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. When done, click the Logs tab and copy/paste the contents of the new report in your next reply.

Your database shows 1979. Last I checked it was 1989.

Mbam-rules.exe is not updated daily. Another way to get the most current database definitions if you're having problems updating, is to install MBAM on a clean computer, launch the program, update through MBAM's interface, copy the definitions (rules.ref) to a USB stick or CD and transfer that file to the infected machine. Copy rules.ref to the location indicated for your operating system. If you cannot see the folder, then you may have to Reconfigure Windows to show it.
  • XP: C:\Documents and Settings\All Users\Application Data\Malwarebytes\Malwarebytes' Anti-Malware
  • Vista: C:\Documents and Settings\Users\All Users\Malwarebytes\Malwarebytes' Anti-Malware

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#3 mejutty

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Posted 16 April 2009 - 06:52 PM

Updated, now using 1992. Ran quick scan and found nothing.

#4 quietman7

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Posted 17 April 2009 - 07:42 AM

How is your computer running now? Are there any more reports/signs of infection?
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#5 mejutty

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Posted 17 April 2009 - 09:52 AM

Still same as first post still get these popups when you try and do anything that is after you click through 30 just to get to the desktop.

Unable To Locate Component : This application has failed to start because msgctfls.dll was not found. Re-installing the application may fix this problem.

The file it complains about is the file that malwarebytes originaly removed.

#6 quietman7

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Posted 17 April 2009 - 10:03 PM

Please download and scan with Dr.Web CureIt - alternate download link.
Follow these instructions for performing a scan in "safe mode".
If you cannot boot into safe mode, then perform your scan in normal mode. Be aware, this scan could take a long time to complete.
-- Post the log in your next reply.
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#7 mejutty

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Posted 19 April 2009 - 08:04 AM

Here is the DrWeb scan

mirc.exe;C:\Justin Old Computer\Program Files\mIRC;Program.mIRC.623;Deleted.;
vncviewer.exe;C:\Justin Old Computer\Program Files\RealVNC\VNC4;Program.RemoteAdmin.51;Deleted.;
Process.exe;C:\Justin Old Computer\WINDOWS\system32;Tool.Prockill;Deleted.;

still same issue.

Before the PC even gets to the login prompt I get 3 errors

Application popup: winlogon.exe - Unable To Locate Component : This application has failed to start because msgctfls.dll was not found. Re-installing the application may fix this problem.

The next 2 are the same except for winlogon replaced with lsas.exe and services.exe.

Once you click to login everything that loads gives the error. Any way to find out whats making the call to the mcgctfls.dll. Have loaded the registry hive on another computer no sing of the dll.

A rebuild is looking on the cards.

#8 quietman7

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Posted 19 April 2009 - 01:33 PM

Some infections are difficult to remove completely because of their morphing characteristics which allows the malware to regenerate itself. Sometimes there is hidden piece of malware which has not been detected by your security tools that protects malicious files and registry keys (which have been detected) so they cannot be permanently deleted. Disinfection will probably require the use of more powerful tools than we recommend in this forum. Before that can be done you will need you to create and post a DDS/HijackThis log for further investigation.

Please read the pinned topic titled "Preparation Guide For Use Before Posting A Hijackthis Log". If you cannot complete a step, then skip it and continue with the next. In Step 6 there are instructions for downloading and running DDS which will create a Pseudo HJT Report as part of its log.

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.
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#9 Orange Blossom

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Posted 20 April 2009 - 12:46 AM

Hello mejutty,

Now that you have a log posted here: http://www.bleepingcomputer.com/forums/t/220801/used-malwarebytes-for-vundo-now-getting-popup/ you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a HJT Team member, nor should you continue to ask for help elsewhere. Doing so can result in system changes which may not show in the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the HJT Team should be the only members that you take advice from, until they have verified your log as clean. It may take a while to get a response but your log will be reviewed and answered as soon as possible.

To avoid confusion, I am closing this topic. Good luck with your log.

Orange Blossom :thumbsup:
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