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HELP! - Trojan.Vundo.H & Possible MBR rootkit Infection


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#1 richmond0039

richmond0039

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Posted 09 April 2009 - 10:09 AM

I am at my wit's end trying to get my PC cleaned. I first noticed a problem when a saw DOS window open ed with C:\Windows\system32\zotalobe.exe. Of course I could not find this file. After looking around the forums here I ran DDS and found what looked like some problems. I ran Malbytes malware program which found a number of infections (30+) for Trojan.Vundo and Trojan.Vundo.H. I let it clean these and reran DDS. There were still a number of suspicious looking files in its Find3M section. None of these files are shown when I do a search. I started looking at rootkit detection software and have run GMER, Rootkit Revealer, Blacklight, and IceSword. I do not know how to interpret the GMER output but it has one line item about a copy of the MBR. Blacklight found nothing. IceSword let me look at the Windows\system32 directory and I found the files listed in DDS. All of them had a ".TMP" appended to the end of their filenames.

I am really concerned about how to fix these problems. I am considering running recovery console to enter a fixmbr command and see if I can delete all the hidden files that DDS finds while I am in recovery console. Will this really fix things? I am also considering just blowing away the hard drive, reformatting and reinstalling Windows XP Professional SP3. My concern here is that I might carry over any existing infections when I back up all my data directories and save them to an external hard drive. My existing anti-virus software is TrendMicro Internet Security 2008.

Can anybody help me out here? Thanks.

P.S. I posted an early DDS log over on the forum for posting HijackThis logs before I ran any of the other malware and rootkit detection software. I have not gotten any response yet.

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#2 Orange Blossom

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Posted 09 April 2009 - 09:04 PM

Hello richmond0039,

I see that you have an HJT log posted here: http://www.bleepingcomputer.com/forums/t/216743/infected-w-vundo-need-help-in-removing/

We do not allow more than one topic for the same computer and the same issue as this causes confusion, and in this case may make the disinfection process more difficult.

This leaves you with a choice:

1) Have this thread reopened and the HiJack This log topic deleted

OR


2) Keep this thread closed and wait for assistance in the HiJack This log forum. Please note that that forum is VERY busy.

Please send a Private Message indicating your choice.

Assuming you wish assistance in the HiJack This forum, 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.

Please be patient. It may take a while to get a response because the HJT Team members are EXTREMELY 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 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.

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

Orange Blossom :thumbsup:
Help us help you. If HelpBot replies, you MUST follow step 1 in its reply so we know you need help.

Orange Blossom

An ounce of prevention is worth a pound of cure

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