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Explorer.exe or winlogon.exe corrupted or infected


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#1 Trexman

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Posted 17 March 2011 - 08:32 PM

Hello.


I have a problem that started all the sudden since February: the desktop icons and the 'START' bar are missing; only the backround appears. I have tried many times to fix it but no use. I can't bring the 'Task manager' [CTRL + SHIFT + DEL or CTRL + SHIFT + ESC] and the mouse cursor is visible and it can be moved without problem. When I start Windows normally, there isn't a message telling me that 'explorer.exe' or 'winlogon.exe' has an error.

In 'Safe Mode', the icons and the 'START' bar are visible and I can operate without problems. Everytime I start in 'Safe mode', it asks me if I want to use 'System restore'. Curious enough, the second time I've turn it on in 'Safe mode', a message poped out telling me that system restoration has failed and there were no changes made.

I've tried using Malwarebytes and SUPERantispyware to fix the problem. No use: there were programs infected but it didn't fixed anything.


Then, I've copied a healthy 'explorer.exe', deleted the old one and replaced it. Did it fixed the problem when I turn on Windows normally? No...


Some time later, after searching an answer, I heard that another threat would be 'winlogon.exe'. So far, I was unable to bring any help.
So, now, I need your help.




*Additional information*

1- I would want to restart Windows as a final and desperate solution. This got me unexpected, unprepared and I'd lose important data.

2- I have tried to 'Repair' using the original CD but it appears that there wasn't a 'Repair' option as it should be.


Here's an example of what options it gave me: http://farm1.static.flickr.com/46/124152337_d75f22de5c_o.jpg
As you can see, there isn't a 'Repair' option.
No, that isn't my, uhm, monitor. That is just an example of what options it gave me, without 'Repair'.






If you need additional information to help me fix this problem, I'd try to give you info as much as I can.
Please, help me! :(

Edited by hamluis, 18 March 2011 - 07:24 AM.
Moved from XP forum to Am I Infected.


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#2 quietman7

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Posted 18 March 2011 - 08:28 AM

You have a serious malware infection. 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 log for further investigation.

Please read the "Preparation Guide".
  • If you cannot complete a step, then skip it and continue with the next.
  • In Step 7 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 Virus, Trojan, Spyware, and Malware Removal Logs forum, NOT here, for assistance by the Malware Response 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 Malware Response 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, please reply back here with a link to the new topic.

Note: If you cannot create any logs, then still start a new topic, explain that you followed the Prep Guide but were unable to create the required logs. It would also be helpful if you include a description of what happened when you tried to create your logs.
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#3 Trexman

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Posted 20 March 2011 - 02:24 PM

I can't save the GMER log.

:(



My resolution is 640x489 pixels (in Safe Mode; I can't make it higher).

Edited by Trexman, 20 March 2011 - 02:24 PM.


#4 quietman7

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Posted 20 March 2011 - 03:47 PM

Then just post the logs you already have and explain why you could not include the GMER log.
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#5 Trexman

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Posted 20 March 2011 - 04:55 PM

Already done the topic.

Link: http://www.bleepingcomputer.com/forums/topic386082.html

#6 Budapest

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Posted 20 March 2011 - 07:34 PM

Now that your log is properly posted, 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 Malware Removal Team member, nor should you continue to ask for help elsewhere. Doing so can result in system changes which may not show it 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 Malware Removal Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the Malware Removal 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 make another reply until it has been responded to by a member of the Malware Removal 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 MR Team member is already assisting you and not open the thread to respond.

To avoid confusion, I am closing this topic.
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