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possible trojan downloader, id from win one live


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#1 joe_pops

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Posted 05 March 2009 - 11:26 PM

Hi, I have read through the forums and am finding this very informative. I hope someone can help me with my potential problem.
I am running windows XP home edition, version 5.1 build 2600, SP3.
I encountered the problem first with Internet Explorer, version 7.0.5730.11
I alternately used Firefox version 2.0.0.14.

I encountered the problem 3 days ago when I was unable to log into certain websites. I attempted to go to windowsupdate and was prevented from accessing any downloads. Also, I noticed that if I typed in windows.com, I was redirected to the yahoo search page for windows.com. Another symptom was that I was unable to run disk defragmenter.

I use avg, but it never alerted to anything that might be wrong. I downloaded (from a safe computer) avast and windows malicious software tool onto a disk and employed avast on the infected computer. It found several items and it took care of them, I thought.
Now, I am able to get to the windows website and I have run the protector free app from windows one live. It found: "trojan downloader: win32/obitel c:\documents and settings\joe_pops\local settings\temp\in1.tmp" and took care of it (supposedly). I have since run the protector 3 separate times and got the same info each time, which leads me to believe that there is something that keeps replacing the trojan downloader.

I read that this malware allows pop ups to bypass any PU stopper, so I believe that no information has been compromised.

Is there any way that I can get rid of this malware and be sure that it is gone? Also, am I correct that there is a low probability that any information was compromised?

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#2 joe_pops

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Posted 07 March 2009 - 12:32 AM

OK, update: I downloaded and ran malwarebyte's anti malware app. It found several items the first time and consistently finds the following 2 items for each run after the first. I have run it 6 times total now.

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit (Trojan.Agent) -> Data: c:\windows\system32\userinit.exe -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit (Trojan.Agent) -> Data: system32\userinit.exe -> Quarantined and deleted successfully.

Does this help to attempt to solve my problem?

#3 garmanma

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Posted 07 March 2009 - 09:28 PM

Userinit
so I believe that no information has been compromised.


Do not be so sure
-----------------------------------

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.

If after 5 days you still have received no response, then post a link to your log in the thread titled "Post in this thread when you haven't received an answer in five days.".
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