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cannot remove Trojandownloader:win32/unruy.H


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9 replies to this topic

#1 Randyjoe

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Posted 23 September 2010 - 01:04 PM

I'm as green as grass about this kind of thing, so please bare with me.

My Dell E4300 laptop running Window XP SP3 has been infected with the trojan unruy.H. I've tried Malwarebytes, MS Essentials, TDSSKiller, and SuperantiSpyware. Most of these detect the virus, and try to remove it, but it just reattaches to another .exe file and remains. It also redirects any search engine I try to use, except the one through my home page.

The IT company we contract with suggested to download Combofix and he'd work with me this afternoon using it, but I cannot find a link here to download it to a clean computer. Any and all suggestions are greatly appreciated!

Thank you,
Randyjoe

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#2 boopme

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Posted 23 September 2010 - 01:52 PM

Hello and welcome ,let's try this first.

EDIT: I movev this from XP to the Am I Infected forum.

ESET
  • Hold down Control and click on the following link to open ESET OnlineScan in a new window.
    ESET OnlineScan
  • Click the ESET Online Scanner button.
  • For alternate browsers only: (Microsoft Internet Explorer users can skip these steps)
    • Click on Export to text file... to download the ESET Smart Installer. Save it to your desktop.
    • Double click on the Eset Smart Installer icon on your desktop.
  • Check the "YES, I accept the Terms of Use"
  • Click the Start button.
  • Accept any security warnings from your browser.
  • Check Scan archives
  • Push the Start button.
  • ESET will then download updates for itself, install itself, and begin scanning your computer. Please be patient as this can take some time.
  • When the scan completes, push "List of found threats"
  • Push "Export to text file", and save the file to your desktop using a unique name, such as ESETScan. Include the contents of this report in your next reply.
  • Push the "<<Back" button.
  • Push Finish
In your next reply, please include the following:
  • Eset Scan Log


NOTE: In some instances if no malware is found there will be no log produced.


Rerun MBAM (MalwareBytes) like this:

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

Edited by boopme, 23 September 2010 - 01:53 PM.

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

#3 Randyjoe

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Posted 23 September 2010 - 02:00 PM

Thank you for your reply and for helping me in the right forum! As I mentioned, I'm a real novice about this kind of stuff.

I'm on a different laptop now and will try your suggestions once I get the infected one up and going. I had a problem getting onto Bleepingcomputer before on it, but I'll try through my home page.

I'll reply back to you once I've tried your suggestions. Again, thank you!

Randyjoe

#4 Randyjoe

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Posted 23 September 2010 - 06:20 PM

I followed your instructions and the logs you requested are below. I'd like to report we cleaned up the problem, but unfortunately that's not the case. Hopefully you will see something in the logs to offer another suggestion. Thank you.

(sorry, but I don't see how to add an attachment, so I've cut and pasted the logs)

The ESET log is:

C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\4LAR89UZ\script[1] Win32/Adware.Antivirus2010 application cleaned by deleting - quarantined
C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\GT678LAB\dialog_attack[1] Win32/Adware.Antivirus2010 application cleaned by deleting - quarantined
C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\KDMVWD6F\INSTALL[1] Win32/Adware.Antivirus2010 application cleaned by deleting - quarantined
C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\XGQ0SBLD\default[1] Win32/Adware.Antivirus2010 application cleaned by deleting - quarantined

The MBAM log is:

9/23/2010 5:22:49 PM
mbam-log-2010-09-23 (17-22-49).txt

Scan type: Quick scan
Objects scanned: 195322
Time elapsed: 10 minute(s), 11 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:\Documents and Settings\xxxxx\Local Settings\Temp\skahgfhasd.bat (Malware.Trace) -> Quarantined and deleted successfully.
Note: I xxxxx out my name in the infected file line directly above.

#5 boopme

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Posted 23 September 2010 - 07:30 PM

That's oK, I know you are new here.

Did you update and run the latest version of MBAM ?

Let's run an online scan....

ESET
  • Hold down Control and click on the following link to open ESET OnlineScan in a new window.
    ESET OnlineScan
  • Click the ESET Online Scanner button.
  • For alternate browsers only: (Microsoft Internet Explorer users can skip these steps)
    • Click on Export to text file... to download the ESET Smart Installer. Save it to your desktop.
    • Double click on the Eset Smart Installer icon on your desktop.
  • Check the "YES, I accept the Terms of Use"
  • Click the Start button.
  • Accept any security warnings from your browser.
  • Check Scan archives
  • Push the Start button.
  • ESET will then download updates for itself, install itself, and begin scanning your computer. Please be patient as this can take some time.
  • When the scan completes, push "List of found threats"
  • Push "Export to text file", and save the file to your desktop using a unique name, such as ESETScan. Include the contents of this report in your next reply.
  • Push the "<<Back" button.
  • Push Finish
In your next reply, please include the following:
  • Eset Scan Log


NOTE: In some instances if no malware is found there will be no log produced.
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

#6 Randyjoe

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Posted 23 September 2010 - 08:11 PM

Yes, I updated MBAM and the logs you requested are above your last reply. Hope I'm doing this right! I posted the logs at 7:20 PM. Thank you.
Randyjoe

#7 boopme

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Posted 23 September 2010 - 08:38 PM

Hi Randy,yes you are correct I mean to post DrWeb. This can be very long.



Before we start fixing anything you should print out these instructions or copy them to a NotePad file so they will be accessible. Some steps will require you to disconnect from the Internet or use Safe Mode and you will not have access to this page.

Please download Dr.Web CureIt and save it to your desktop. DO NOT perform a scan yet.
alternate download link
Note: The file will be randomly named (i.e. 5mkuvc4z.exe).

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".

Scan with Dr.Web CureIt as follows:
  • Double-click on the randomly named file to open the program and click Start. (There is no need to update if you just downloaded the most current version
  • Read the anti-virus check by DrWeb scanner prompt and click Ok where asked to Start scan now? Allow the setup.exe to load if asked by any of your security programs.
  • The Express scan will automatically begin.
    (This is a short scan of files currently running in memory, boot sectors, and targeted folders).
  • If prompted to dowload the Full version Free Trial, ignore and click the X to close the window.
  • If an infected object is found, you will be prompted to move anything that cannot be cured. Click Yes to All. (This will move any detected files to the C:\Documents and Settings\userprofile\DoctorWeb\Quarantine folder if they can't be cured)
  • After the Express Scan is finished, put a check next to Complete scan to scan all local disks and removable media.
  • In the top menu, click Settings > Change settings, and uncheck "Heuristic analysis" under the "Scanning" tab, then click Apply, Ok.
  • Back at the main window, click the green arrow "Start Scanning" button on the right under the Dr.Web logo.
  • Please be patient as this scan could take a long time to complete.
  • When the scan has finished, a message will be displayed at the bottom indicating if any viruses were found.
  • Click Select All, then choose Cure > Move incurable.
  • In the top menu, click file and choose save report list.
  • Save the DrWeb.csv report to your desktop.
  • Exit Dr.Web Cureit when done.
  • Important! Reboot your computer because it could be possible that files in use will be moved/deleted during reboot.
  • After reboot, post the contents of the log from Dr.Web in your next reply. (You can use Notepad to open the DrWeb.cvs report)

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

#8 Randyjoe

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Posted 23 September 2010 - 09:34 PM

Thanks for getting back with the new suggestion. I'll have to wait until tomorrow to try this and will let you know the results.

Before I received your reply, I re-ran Superantispyware. Where I was getting a detection on MS Essentials every 1.5 mins, they seem to now be eliminated (or maybe just not being detected now). So that's an improvement, but I'm not confident the virus is gone because IE is running slower than usual, and it redirected once on me.

Thanks again for the excellent help, and I'll post the results of your last suggestion tomorrow.

Randyjoe

#9 Randyjoe

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Posted 24 September 2010 - 12:54 PM

Hello Boopme:

Thank you for your patience! Been covered up with work so can't devote full time to finding this problem. I did find the reason I'm not getting anymore detections with MS Essentials is after running SuperAntispyware the trojan deleted MSE! It also remove Superantispyware from my desktop.

It's also seems to have taken over IE too. I downloaded Dr. Webcureit through another laptop then transfered it to the infected laptop with a USB stick.

I started up in Safe Mode, and followed your instructions. The program told me my license has expired and wasn't loading up as you explained. I kept xx out of the update windows, purchase windows, etc and I believe I was finally able to get the express scan to work, but it said it didn't find anything. (honestly I'm not confident it truly ran).

Another thing new is if I try to open IE it tries to update Adobe 7.0 which I cancel out of as quickly as possible, but then IE hangs up on a redirected page. Where can we go from here? Thank you.
Randyjoe

#10 boopme

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Posted 24 September 2010 - 04:00 PM

Lets try this way.

Reboot into Safe Mode with Networking
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 with Networking using the arrow keys.
Then press enter on your keyboard to boot into Safe Mode
.


>>>> Download this file and doubleclick on it to run it. Allow the information to be merged with the registry.

RKill....

Download and Run RKill
  • Please download RKill by Grinler from one of the 4 links below and save it to your desktop.

    Link 1
    Link 2
    Link 3
    Link 4

  • Before we begin, you should disable your anti-malware softwares you have installed so they do not interfere RKill running as some anti-malware softwares detect RKill as malicious. Please refer to this page if you are not sure how.
  • Double-click on Rkill on your desktop to run it. (If you are using Windows Vista, please right-click on it and select Run As Administrator)
  • A black screen will appear and then disappear. Please do not worry, that is normal. This means that the tool has been successfully executed.
  • If nothing happens or if the tool does not run, please let me know in your next reply
Do not reboot your computer after running rkill as the malware programs will start again. Or if rebooting is required run it again.


If you continue having problems running rkill.com, you can download iExplore.exe or eXplorer.exe, which are renamed copies of rkill.com, and try them instead.



Next run Superantisypware (SAS):

Download and scan with SUPERAntiSpyware Free for Home Users
  • Double-click SUPERAntiSpyware.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 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 Scanning Control tab.
  • 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.
  • 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.
  • Click "Next" to start the scan. Please be patient while it scans your computer.
  • 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".
  • 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.
If you have a problem downloading, installing or getting SAS to run, try downloading and using the SUPERAntiSpyware Portable Scanner instead. Save the randomly named file (i.e. SAS_1710895.COM) to a usb drive or CD and transfer to the infected computer. Then double-click on it to launch and scan. The file is randomly named to help keep malware from blocking the scanner.


Now try DRWeb .....
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




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