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Rookit Help!


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7 replies to this topic

#1 MoMo27

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Posted 24 October 2008 - 08:33 PM

Hi! I caught a virus/trojan on my computer and this rapid antivirus message kept popping up, telling me I need to download it. I thought it was from my computer since it looked like one of my systems, but later found out it was a fake. I already had downloaded it. So, I found this site to while I was looking up antivirus software and downloaded super antispyware and drweb cureit. I ran it in safe mode and ran it about 3-4 times and finally found nothing, but then I downloaded Maleware's antimaleware and scan that. I was able to delete most of the stuff it found, but it always found a rootkit. It said I need to reboot to delete it, but it would always come back when I scan it. I also downloaded Spybot and RootkitRevealer, but it didnt help.

Edited by MoMo27, 24 October 2008 - 08:50 PM.


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#2 garmanma

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Posted 24 October 2008 - 09:28 PM

You need to ost in the Am I Infected? forum. I will move you there.
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#3 boopme

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Posted 24 October 2008 - 09:33 PM

Please post the Infected malware bytes log so we can see exactly what it found and proceed from there,thanks.
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#4 quietman7

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Posted 25 October 2008 - 08:32 AM

To retrieve the MBAM scan log information, launch MBAB.
Click the Logs Tab at the top.
mbam-log-2008-10-12(13-35-16).txt should show in the list. <- your dates will be different from this exampe
Click on the log name to highlight it.
Go to the bottom and click on Open.
The log should automatically open in notepad as a text file.
Go to Edit and choose Select all.
Go back to Edit and choose Copy or right-click on the highlighted text and choose copy from there.
Come back to this thread, click Add Reply, then right-click and choose Paste.
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#5 MoMo27

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Posted 25 October 2008 - 09:51 AM

Here's my scan last scan log!


Malwarebytes' Anti-Malware 1.30
Database version: 1311
Windows 5.1.2600 Service Pack 2

10/23/2008 8:10:40 PM
mbam-log-2008-10-23 (20-10-40).txt

Scan type: Quick Scan
Objects scanned: 56889
Time elapsed: 9 minute(s), 8 second(s)

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

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

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:\WINDOWS\system32\drivers\mrxdavv.sys (Rootkit.Agent.H) -> Delete on reboot.

#6 quietman7

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Posted 25 October 2008 - 11:08 AM

IMPORTANT NOTE: Rootkits and backdoor Trojans are very dangerous because they use advanced techniques (backdoors) as a means of accessing a computer system that bypasses security mechanisms and steal sensitive information which they send back to the hacker. Many rootkits can hook into the Windows 32-bit kernel, and patch several APIs to hide new registry keys and files they install. Remote attackers use backdoor Trojans and rootkits as part of an exploit to gain unauthorized access to a computer and take control of it without your knowledge.

If your computer was used for online banking, has credit card information or other sensitive data on it, you should immediately disconnect from the Internet until your system is cleaned. All passwords should be changed immediately to include those used for banking, email, eBay, paypal and online forums. You should consider them to be compromised. You should change each password by using a different computer and not the infected one. If not, an attacker may get the new passwords and transaction information. If using a router, you need to reset it with a strong logon/password so the malware cannot gain control before connect again. Banking and credit card institutions should be notified of the possible security breach. Because your computer was compromised please read How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?

Although the rootkit has been identified and may be removed, your PC has likely been compromised and there is no way to be sure the computer can ever be trusted again. It is dangerous and incorrect to assume that because this malware has been removed the computer is now secure. In some instances an infection may have caused so much damage to your system that it cannot be completely cleaned or repaired. The malware may leave so many remnants behind that security tools cannot find them. Many experts in the security community believe that once infected with this type of malware, the best course of action is to wipe the drive clean, reformat and reinstall the OS. Please read:

• "When should I re-format? How should I reinstall?"
• "Help: I Got Hacked. Now What Do I Do?"
• "Where to draw the line? When to recommend a format and reinstall?"

Should you decide not to follow that advice, we will do our best to help clean the computer of any infections but we cannot guarantee it to be trustworthy or that the removal will be successful. MBAM has not been able to effectively deal with this particular rootkit infection. If you wish to proceed, disinfection will 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 hijackthis log.

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 9 there are instructions for downloading the HijackThis Installer and creating a log. This is an automatic setup version which will install the program in the proper location.

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 HJT log in the thread titled "Haven't Had A Reply In Five Days?".

Edited by garmanma, 25 October 2008 - 05:39 PM.
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#7 MoMo27

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Posted 25 October 2008 - 04:28 PM

So the rootkit I have is one of the dangerous kind? Can it effect my other files too? And if I burn files onto a CD, will it effect those files?

#8 quietman7

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Posted 25 October 2008 - 10:25 PM

r00tkit Analysis: What Is A Rootkit
What is a Rootkit
Rootkits and how to combat them

If you decide to reformat, you can back up all your important documents, data files and photos. The safest practice is not to backup any autorun.ini or .exe files because they may be infected. Some types of malware may disguise itself by adding and hiding its extension to the existing extension of files so be sure you take a close look at the full name. After reformatting, as a precaution, make sure you scan these files with your anti-virus prior to copying them back to your hard drive.

Edited by quietman7, 25 October 2008 - 10:26 PM.

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