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Infected with UAC Trojan

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#1 seanhalley


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Posted 13 August 2009 - 10:09 AM

Hi there,

This is my first post, hope you can help.

My PC is infected with the UAC trojan. I don't kow how it happened, either through a website or an email with an attachment that I opened, I don't know.

Initially the symptom was simply getting redireting to strange sites while using Internet Explorer, then afater restartig there would be hundreds of iexplore.exe processes running, to the extent that I couldn't actually use my PC. Eventually I got back in via Safe Mode, ran MalWarebytes AntiMalware and that seemed to have reduced the symptoms. Then I went through a stage when on start up I'd get a message from Spybot saying something was trying to replace the winlogon process. that message kept reappearing every second as I clicked "Deny" and "remember my decision". Now, Antimalware detects the uacinit.dll and the UAC registry key, and even though it informs me that it will remove the infection on restart, it keeps coming back.

Grateful if you could give any help.

Thanks i advance,

Attached Files

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#2 seanhalley

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Posted 14 August 2009 - 02:18 AM

Hi there,

I'd really appreciate a response as soon as possible please. As you've requested me not to ask help on other boards I'm absolutely helpless at the moment and cannot make any other corrective steps without your advice.

Looking at the Attach.txt, it doesn't look like it's showing any errors. So I'm attaching the MBAM log as wewll, hoping that may speed up your investigation.

Grateful if someone could get me some kind of reponse as soon as possible.

Thanks again

Hello Sean,

While we understand your frustration at having to wait, please note that Bleeping Computer deals with several hundred requests for assistance such as yours on a daily basis. As a result, our backlog is quite large, as are other comparable sites that help others with malware issues. Athough our HJT Team members work on hundreds of requests each day, they are all volunteers who work logs when they can and are able to do so. No one is paid by Bleeping Computer for their assistance to our members.

Further, our malware removal staff is comprised of team members with various levels of skill and expertise to deal with thousands of malware variants, some more complex than others. Although we try to take DDS/HJT logs in order (starting with the oldest), it is often the skill level of the particular helper and sometimes the operating system that dictates which logs get selected first. Some infections are more complicated than others and require a higher skill level to remove. Without that skill level attempted removal could result in disastrous results. In other instances, the helper may not be familiar with the operating system that you are using, since they use another. In either case, you wouldn't want someone to assist you who is not familiar with your issue and attempt to fix it, would you?

We ask that once you have posted your log and are waiting, please DO NOT "bump" your thread or make further replies until it has been responded to by a member of the HJT Team. The reason we ask this or do not respond to your requests is because that would remove you from the active queue that Techs and Staff have access to. The malware 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.

That is why I have made an edit to your last post, instead of a reply. Please do not multiple post here, as that only pushes you further down the queue and causes confusion to the staff.

Please be patient. It may take a while to get a response but your log will be reviewed and answered as soon as possible.

Thank you for understanding.


The weatherman

Attached Files

Edited by The weatherman, 14 August 2009 - 05:25 PM.

#3 fireman4it


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Posted 24 August 2009 - 04:56 PM

Hello and welcome to Bleeping Computer

We apologize for the delay in responding to your request for help. Here at Bleeping Computer we get overwhelmed at times, and we are trying our best to keep up. Please note that your topic was not intentionally overlooked. Our mission is to help everyone in need, but sometimes it takes just a little longer to get to every request for help. No one is ignored here.

If you have since resolved the original problem you were having, we would appreciate you letting us know. If not please perform the following steps below so we can have a look at the current condition of your machine.

If you have not done so, include a clear description of the problems you're having, along with any steps you may have performed so far.

Upon completing the steps below another staff member will review and take the steps necessary with you to get your machine back in working order clean and free of malware.

If you have already posted a DDS log, please do so again, as your situation may have changed.
Use the 'Add Reply' and add the new log to this thread.

Thanks and again sorry for the delay.

We need to see some information about what is happening in your machine. Please perform the following scan:
  • Download DDS by sUBs from one of the following links. Save it to your desktop.
  • Double click on the DDS icon, allow it to run.
  • A small box will open, with an explaination about the tool. No input is needed, the scan is running.
  • Notepad will open with the results.
  • Follow the instructions that pop up for posting the results.
  • Close the program window, and delete the program from your desktop.
Please note: You may have to disable any script protection running if the scan fails to run. After downloading the tool, disconnect from the internet and disable all antivirus protection. Run the scan, enable your A/V and reconnect to the internet.

Information on A/V control HERE

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The Virus, Trojan, Spyware, and Malware Removal forum is very busy. If I'm helping you and I've not posted back within 24 hrs., send a PM with your topic link. Thank you.



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#4 seanhalley

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Posted 25 August 2009 - 04:23 AM

Hi there, thanks for getting back to me.

In the end I downloaded and ran ComboFix and it got rid of the rootkit, so thank you.

Sorry guys, I couldn't wait that long for your response. 11 days is a long time when your computer isn't working and you need to use it every day to earn money to pay bills.

I appreciate you're busy, but I don't think it's responsible for you to advise in your terms of use that users should not seek help on other forums, if you're going to take 11 days to respond.

But thanks anyway, as I said, ComboFix worked.

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