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uacinit.dll Help Please :)


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#1 BravoMedic

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Posted 25 May 2009 - 10:04 AM

It seems I am infected with something I cannot get to go away.... The file uacinit.dll keeps popping up and wont die.

I have AVG 8.5, Malwarebytes, Spybot, and HJT at my disposal. How shall I proceed?

Edited by The weatherman, 25 May 2009 - 10:11 AM.
Moved from HJT to a more appropriate forum. TW


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#2 snowdrop

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Posted 25 May 2009 - 01:45 PM

Could you please follow these instructions by Rigel ( Mod)to run Malwarebytes and get the resultant report on forum for someone to check for you ?

http://www.bleepingcomputer.com/forums/ind...t&p=1275265

#3 BravoMedic

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Posted 25 May 2009 - 01:58 PM

Here is the report from mbam:

Malwarebytes' Anti-Malware 1.36
Database version: 2178
Windows 5.1.2600 Service Pack 3

5/25/2009 2:57:22 PM
mbam-log-2009-05-25 (14-57-22).txt

Scan type: Quick Scan
Objects scanned: 90453
Time elapsed: 3 minute(s), 59 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\uacinit.dll (Trojan.Agent) -> Delete on reboot.

#4 BravoMedic

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Posted 25 May 2009 - 06:18 PM

As you can see the file is still present and will not go away, but at least I can run malwarebytes now, I had to attempt a system restore (which failed) then boot to last known good configuration and reboot in safe mode to run my first mbam scan, I still get random crashes and even a stop error when i try to run one of my most used programs. Please help me!

#5 boopme

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Posted 25 May 2009 - 11:36 PM

Please run Run ATF and SAS:
From your regular user account..
Download Attribune's ATF Cleaner and then SUPERAntiSpyware , Free Home Version. Save both to desktop ..
DO NOT run yet.
Open SUPER from icon and install and Update it
Under Scanner Options make sure the following are checked (leave all others unchecked):
Close browsers before scanning.
Scan for tracking cookies.
Terminate memory threats before quarantining
.
Click the "Close" button to leave the control center screen and exit the program. DO NOT run yet.

Now reboot into Safe Mode: How to enter safe mode(XP)
Using the F8 Method
Restart your computer.
When the machine first starts again it will generally list some equipment that is installed in your machine, amount of memory, hard drives installed etc. At this point you should gently tap the F8 key repeatedly until you are presented with a Windows XP Advanced Options menu.
Select the option for Safe Mode using the arrow keys.
Then press enter on your keyboard to boot into Safe Mode
.

Double-click ATF-Cleaner.exe to run the program.
Under Main "Select Files to Delete" choose: Select All.
Click the Empty Selected button.

If you use Firefox or Opera browser click that browser at the top and choose: Select All
Click the Empty Selected button.
If you would like to keep your saved passwords, please click No at the prompt.
Click Exit on the Main menu to close the program
.

NOW Scan with SUPER
Open from the desktop icon or the program Files list
On the left, make sure you check C:\Fixed Drive.
Perform a Complete scan. After scan,Verify they are all checked.
Click OK on the summary screen to quarantine all found items.
If asked if you want to reboot, click "Yes" and reboot normally.

To retrieve the removal information after reboot, launch SUPERAntispyware again.
Click Preferences, then click the Statistics/Logs tab.
Under Scanner Logs, double-click SUPERAntiSpyware Scan Log.
If there are several logs, click the current dated log and press View log.
A text file will open in your default text editor.
Please copy and paste the Scan Log results in your next reply.
Click Close to exit the program.
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#6 BravoMedic

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Posted 26 May 2009 - 08:11 AM

Followed above instructions, here is the log...

SUPERAntiSpyware Scan Log
http://www.superantispyware.com

Generated 05/26/2009 at 08:58 AM

Application Version : 4.26.1002

Core Rules Database Version : 3909
Trace Rules Database Version: 1853

Scan type : Complete Scan
Total Scan Time : 01:01:19

Memory items scanned : 221
Memory threats detected : 0
Registry items scanned : 6253
Registry threats detected : 0
File items scanned : 101397
File threats detected : 0

after seeing this I got curious and ran mbam again, with identical results to the log i posted above. According to mbam, the file is still there. Please advise, and thanks for the help.

#7 quietman7

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Posted 26 May 2009 - 09:02 AM

IMPORTANT NOTE: uacinit.dll is related to a nasty variant of the TDSSSERV rootkit component. Rootkits, backdoor Trojans, Botnets, and IRCBots are very dangerous because they compromise system integrity by making changes that allow it to by used by the attacker for malicious purposes. Rootkits are used by Trojans to conceal its presence (hide from view) in order to prevent detection of an attacker's software and make removal more difficult. Many rootkits can hook into the Windows 32-bit kernel, and patch several APIs to hide new registry keys and files they install. They can disable your anti-virus and security tools to prevent detection and removal. Remote attackers use backdoors as a means of accessing and taking control of a computer that bypasses security mechanisms. This type of exploit allows them to steal sensitive information like passwords, personal and financial data which is send back to the hacker. To learn more about these types of infections, you can refer to:If your computer was used for online banking, has credit card information or other sensitive data on it, you should 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 and change each password using a clean computer, 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:Although the infection 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 the computer is secure even if the malware appears to have been removed. In some instances an infection may have caused so much damage to your system that it cannot be completely cleaned or repaired so you can never be sure that you have completely removed a rootkit. The malware may leave so many remnants behind that security tools cannot find them. Tools that claim to be able to remove rootkits cannot guarantee that all traces of it will be removed. 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: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. Some infections are difficult to remove completely because of their morphing characteristics which allows the malware to regenerate itself. Sometimes there is another hidden piece of malware which has not been detected by your security tools that protects malicious files and registry keys (which have been detected) so they cannot be permanently deleted. 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/HijackThis log for further investigation. Let me know how you wish to proceed.
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#8 BravoMedic

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Posted 26 May 2009 - 10:20 AM

Thank you all very much for the information, it looks like I am going to wipe the drive and reinstall the OS, I'm just glad I have all my data backed up :thumbsup:

#9 quietman7

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Posted 26 May 2009 - 11:12 AM

That's the decision I would have made if this were my system.

Reformatting a hard disk deletes all data. You can back up all your important documents, personal data files, photos to a CD or DVD drive, not a flash drive or external hard drive as they may become compromised in the process. The safest practice is not to backup any executable files (*.exe), screensavers (*.scr), autorun (.ini) or script files (.php, .asp, and .html) files because they may be infected by malware. Avoid backing up compressed files (.zip, .cab, .rar) that have executable files inside them as some types of malware can penetrate and infect .exe files within compressed files too. Other types of malware may even disguise itself by adding and hiding its extension to the existing extension of file(s) so be sure you look closely at the full file name. After reformatting, scan the backed up data with your anti-virus prior to to copying it back to your hard drive.

If you're not sure how to reformat or need help with reformatting, please review:These links include step-by-step instructions with screenshots:Don't forget you will have to go to Microsoft Update and apply all Windows security patches after reformatting.
Also see How to keep your Windows XP activation after clean install.

Note: If you're using an IBM, Sony, HP, Compaq or Dell machine, you may not have an original XP CD Disk. By policy Microsoft no longer allows OEM manufactures to include the original Windows XP CD-ROM on computers sold with Windows preinstalled. Instead, most computers manufactured and sold by OEM vendors come with a vendor-specific Recovery Disk or Recovery Partition for performing a clean "factory restore" that will reformat your hard drive, remove all data and restore the computer to the state it was in when you first purchased it. See Technology Advisory Recovery Media.

If you need additional assistance with reformatting or have questions about multiple hard drives, you can start a new topic in the Windows XP Home and Professional forum. If you don't get a reply, please send me a PM and I will get someone to take a look.
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#10 BravoMedic

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Posted 26 May 2009 - 06:16 PM

Thanks Quietman :thumbsup: Luckily I have my HDD ghosted with a factory image, and a 1 TB backup external so I didnt lose a thing, just took all of the afternoon reinstalling everything, thanks for the help and advice, all scans after the reformat came back clean.

#11 quietman7

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Posted 26 May 2009 - 06:44 PM

You're welcome.

Tips to protect yourself against malware and reduce the potential for re-infection:Keep Windows and Internet Explorer current with all critical updates from Microsoft which will patch many of the security holes through which attackers can gain access to your computer. If you're not sure how to do this, see Microsoft Update helps keep your computer current.

Avoid gaming sites, porn sites, pirated software, cracking tools, keygens, and peer-to-peer (P2P) file sharing programs. They are a security risk which can make your computer susceptible to a smörgåsbord of malware infections, remote attacks, exposure of personal information, and identity theft. Malicious worms, backdoor Trojans IRCBots, and rootkits spread across P2P file sharing networks, gaming, porn and underground sites. Users visiting such pages may see innocuous-looking banner ads containing code which can trigger pop-up ads and malicious Flash ads that install viruses, Trojans, and spyware. Ads are a target for hackers because they offer a stealthy way to distribute malware to a wide range of Internet users. The best way to reduce the risk of infection is to avoid these types of web sites and not use any P2P applications.Keeping Autorun enabled on USB (pen, thumb, jump) and other removable drives has become a significant security risk due to the increasing number of malware variants that can infect them and transfer the infection to your computer. To learn more about this risk, please read:Many security experts recommend you disable Autorun asap as a method of prevention. Microsoft recommends doing the same.

...Disabling Autorun functionality can help protect customers from attack vectors that involve the execution of arbitrary code by Autorun when inserting a CD-ROM device, USB device, network shares, or other media containing a file system with an Autorun.inf file...

Microsoft Security Advisory (967940): Update for Windows Autorun
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