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UACINIT.dll infection


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7 replies to this topic

#1 glove51

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Posted 15 August 2009 - 12:40 AM

Earlier this week, I suddenly began getting fake antivirus pop-ups and messages on my computer ofr a fake AV product called AVCare.


My computer was having trouble booting, and several times I got the "blue screen of death" accompanied by messages about a breakpiint error. I was able to get it to boot eventually, but I could not get Malwarebytes Anti-Malware to run. I did finally get it to run by renaming the execute file. I got rid of some malware files, and the computer seemed to be OK, EXCEPT it would get hung up at various different points in the boot process. But, I did not get the "blue screen of death" again during this period. For two or three days it went like this. There were intermittent booting issues, but once booted the machine ran normally (or at least apparently normally). After 2 or 3 days, I began having probelms with redirects when doing searches on Yahoo or Google. Yesterday random audio came on from a "rogue" IE explorer tab that had opened. I could see it running in the task manager processes window, but it did not show up in the tray at the bottom of the screen; a notifiaction kept appearing on my desktop saying it was restored, and it almost appeared like there was a "ghost" arrow clicking on a "ghost" desktop item. The audio was a commercial or promo for Mini Cooper.

I have run a full scan on Malwarebytes two or three times since and get the same two malware problems each time. One is a file, with the vendor noted as Trojan.agent called uacinit.dll, located at C:\WINDOWS\system32. The other is a rootkit, with the vendor noted as Rootkit.Trace, at the registry location of HKEY_LOCAL_MACHINE\SOFTWARE\UAC. Here is the Malwarebytes log:

Malwarebytes' Anti-Malware 1.40
Database version: 2595
Windows 5.1.2600 Service Pack 3 (Safe Mode)

8/14/2009 10:34:28 PM
mbam-log-2009-08-14 (22-34-28).txt

Scan type: Full Scan (C:\|)
Objects scanned: 290793
Time elapsed: 1 hour(s), 23 minute(s), 32 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 1
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:
HKEY_LOCAL_MACHINE\SOFTWARE\UAC (Rootkit.Trace) -> Quarantined and deleted successfully.

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.



One more thing: each time I open IE, it asks if I want to go to my home page or restore my previous session because it shut down abnormally (which is not true). The one time I chose to restore the previous session, it opened about 20 windows befoe I finally maanged to shut it down.

Where should I go from here?

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#2 Blade

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Posted 15 August 2009 - 12:53 AM

Hello glove51 and :thumbsup: to BleepingComputer!

Yup. . . this one's been popping up all over the place over the last couple days. Let's see what we can do.

Please install RootRepeal
Note: Vista users ,, right click on desktop icon and select "Run as Administrator."
  • Go HERE, HERE, or HERE and download RootRepeal.zip to your Desktop.
Disconnect from the Internet or physically unplug your Internet cable connection.
Close all open programs, scheduling/updating tasks and background processes that might activate during the scan including the screensaver.
Temporarily disable your anti-virus and real-time anti-spyware protection.
After starting the scan, do not use the computer until the scan has completed.
When finished, re-enable your anti-virus/anti-malware (or reboot) and then you can reconnect to the Internet.
  • Extract RootRepeal.exe from the zip archive.
  • Open Posted Image on your desktop.
  • At the top of the window, click Settings, then Options.
  • Click the Ssdt & Shadow Ssdt Tab.
  • Make sure the box next to "Only display hooked functions." is checked.
  • Click the "X" in the top right corner of the Settings window to close it.
  • Click the Posted Image tab.
  • Click the Posted Image button.
  • Check all seven boxes: Posted Image
  • Push Ok
  • Check the box for your main system drive (Usually C:), and press Ok.
  • Allow RootRepeal to run a scan of your system. This may take some time.
  • Once the scan completes, push the Posted Image button. Save the log to your desktop, using a distinctive name, such as RootRepeal.txt. Include this report in your next reply, please.
~Blade


In your next reply, please include the following:
RootRepeal Log

Posted Image

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#3 glove51

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Posted 15 August 2009 - 07:40 AM

OK, I did what you said and ran RootRepeal. It strted up "better" this go 'round, so we areoff to a good start.

Here is the RootRepeal Log:

ROOTREPEAL © AD, 2007-2009
==================================================
Scan Start Time: 2009/08/15 01:17
Program Version: Version 1.3.5.0
Windows Version: Windows XP SP3
==================================================

Drivers
-------------------
Name: dump_atapi.sys
Image Path: C:\WINDOWS\System32\Drivers\dump_atapi.sys
Address: 0xF7ED2000 Size: 98304 File Visible: No Signed: -
Status: -

Name: dump_WMILIB.SYS
Image Path: C:\WINDOWS\System32\Drivers\dump_WMILIB.SYS
Address: 0xF8AA2000 Size: 8192 File Visible: No Signed: -
Status: -

Name: rootrepeal.sys
Image Path: C:\WINDOWS\system32\drivers\rootrepeal.sys
Address: 0xF71A8000 Size: 49152 File Visible: No Signed: -
Status: -

Hidden/Locked Files
-------------------
Path: C:\WINDOWS\SYSTEM32\UACekgctfxwpq.dat
Status: Invisible to the Windows API!

Path: C:\WINDOWS\SYSTEM32\uacinit.dll
Status: Invisible to the Windows API!

Path: C:\WINDOWS\SYSTEM32\UAClrcugobijb.dll
Status: Invisible to the Windows API!

Path: C:\WINDOWS\SYSTEM32\UACnmqsmvrhbo.dll
Status: Invisible to the Windows API!

Path: C:\WINDOWS\SYSTEM32\UACojkpcejdlv.dll
Status: Invisible to the Windows API!

Path: C:\WINDOWS\SYSTEM32\UACpmgtexrddv.dll
Status: Invisible to the Windows API!

Path: C:\WINDOWS\SYSTEM32\UACqqmpayboyq.db
Status: Invisible to the Windows API!

Path: C:\WINDOWS\SYSTEM32\UACxxmcnodyut.dll
Status: Invisible to the Windows API!

Path: C:\WINDOWS\Temp\UAC4532.tmp
Status: Invisible to the Windows API!

Path: C:\WINDOWS\Temp\UAC602c.tmp
Status: Invisible to the Windows API!

Path: C:\WINDOWS\Temp\UACc61e.tmp
Status: Invisible to the Windows API!

Path: C:\WINDOWS\Temp\UACc9f7.tmp
Status: Invisible to the Windows API!

Path: c:\windows\temp\mcafee_p5feg9plphxmib4
Status: Allocation size mismatch (API: 4096, Raw: 0)

Path: c:\windows\temp\mcmsc_tnlwtnm8y7kklid
Status: Allocation size mismatch (API: 4096, Raw: 0)

Path: C:\Documents and Settings\Karli Glover\Cookies\karli glover@nbc[1].txt
Status: Visible to the Windows API, but not on disk.

Path: C:\WINDOWS\SYSTEM32\DRIVERS\UACyyxodulhhm.sys
Status: Invisible to the Windows API!

Path: C:\Documents and Settings\Billy Glover\Local Settings\Temp\UAC63ab.tmp
Status: Invisible to the Windows API!

Stealth Objects
-------------------
Object: Hidden Module [Name: UACxxmcnodyut.dll]
Process: svchost.exe (PID: 832) Address: 0x10000000 Size: 73728

Hidden Services
-------------------
Service Name: TDSSserv.sys
Image Path: C:\WINDOWS\system32\drivers\TDSSmqlt.sys

Service Name: UACd.sys
Image Path: C:\WINDOWS\system32\drivers\UACyyxodulhhm.sys

==EOF==

#4 boopme

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Posted 15 August 2009 - 10:26 AM

Now the next step...

Rerun Rootrepeal. After the scan completes, go to the files tab and find these files:

C:\WINDOWS\SYSTEM32\DRIVERS\UACyyxodulhhm.sys


Then use your mouse to highlight it in the Rootrepeal window.
Next right mouse click on it and select *wipe file* option only.
Then immediately reboot the computer.



Rerun MBAM like this:

Open MBAM in normal mode and click Update tab, select Check for Updates,when done
click Scanner tab,select Quick scan and scan.
After scan click Remove Selected, Post new scan log and Reboot into normal mode.

How is it running now?
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook

#5 glove51

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Posted 16 August 2009 - 12:07 PM

OK, I did as you instructed. I had some trouble getting mbam to open after runnin RootRepeal for the 2nd tiem, but I found the fiel in rootrepeal that you were talking about and wiped it. When I finally got mbam to run (I think on the third try), there were now 9 infected fiels which I successfully quarantined and re-booted.

The computer is now re-booting properly each time, and I am having no issues with re-directs on searches. However, it seems to be running a little slower than "normal" at start-up and some programs are slow to open.

AND -- The biggest thing is I CAN NOT get mbam to open, it keeps syaing it si not responding each time I try to open it/ So, I can; tpost my scan log here.

What now?

#6 Blade

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Posted 16 August 2009 - 04:40 PM

Alright. . . there may be a couple straggler infections left. Let's do this. Please note that the following may take some time to run.

Please download ATF Cleaner by Atribune & save it to your desktop.
  • 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 browser click Firefox 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.
  • If you use Opera browser click Opera 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.
Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".

***************************************************

Please download and scan with SUPERAntiSpyware Free
  • Double-click SUPERAntiSypware.exe and use the default settings for installation.
  • An icon will be created on your desktop. Double-click that icon to launch the program.
  • If it will not start, go to Start > All Prgrams > SUPERAntiSpyware and click on Alternate Start.
  • If asked to update the program definitions, click "Yes". If not, update the definitions before scanning by selecting "Check for Updates". (If you encounter any problems while downloading the updates, manually download them from here. Double-click on the hyperlink for Download Installer and save SASDEFINITIONS.EXE to your desktop. Then double-click on SASDEFINITIONS.EXE to install the definitions.)
  • In the Main Menu, click the Preferences... button.
  • Click the "General and Startup" tab, and under Start-up Options, make sure "Start SUPERAntiSpyware when Windows starts" box is unchecked.
  • Click the "Scanning Control" tab, and under Scanner Options, make sure the following are checked (uncheck all others):
    • 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 a scan just yet.
Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode". When logging in, do NOT log in under the account titled "Admin" or "Administrator"

Scan with SUPERAntiSpyware as follows:
  • Launch the program and back on the main screen, under "Scan for Harmful Software" click Scan your computer.
  • On the left, make sure you check C:\Fixed Drive.
  • On the right, under "Complete Scan", choose Perform Complete Scan and click "Next".
  • After the scan is complete, a Scan Summary box will appear with potentially harmful items that were detected. Click "OK".
  • Make sure everything has a checkmark next to it and click "Next".
  • A notification will appear that "Quarantine and Removal is Complete". Click "OK" and then click the "Finish" button to return to the main menu.
  • 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.
~Blade


In your next reply, please include the following:
SUPERAntiSpyware Log

Posted Image

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#7 glove51

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Posted 18 August 2009 - 09:50 PM

I am sorry I haven't replied yet. I had some family stuff come up. I will try to get it done in the next couple of days. The computer continues to run without any obvious issues.

Thanks for ALL your help to date.

#8 Blade

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Posted 18 August 2009 - 10:04 PM

Not a problem. I'll keep a lookout for the logs.

~Blade

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