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Help- I think I have malware/trojan


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Hi Experts,

My kid was playing on my computer and tried downloading a paw patrol movie from utorrent without my knowledge. It contained an mpg file with a supposed XvidCodecSetup batch file. They of course ran the batch file. Screen shot attached (mpeg2folder.jpg). The batch file contains the following script/commands (batchcommand.txt), and a screenshot of when the batch file is run (bat run.jpg).

I was suspicious therefore searched and found this site: https://umbrella.cisco.com/blog/cyber-attackers-use-seo-to-spread-malware-through-torrent-files , which is exactly the case here.

It created a file in above screen shot (75095_VTS.dat), which I run on VirusTotal and it finds threats (virustotal.jpg). I got Malwarebytes and ran the scan multiple times, including other programs like HitmanPro, Housecall, and Adwcleaner. Adwcleaner picked up some things but is now clean. Most scans come back as clean now, but I am still randomly getting blocked outbound sites without even being on a browser (detecthistory.jpg), and I'm suspicious I still have trojan/malware.

I've attached a Malwarebytes scan, FRST and additional.

Please help!

virustotal.jpg

bat run.jpg

detecthistory.jpg

mpeg2folder.jpg

MWB scan.txt Addition.txt FRST.txt batchcommand.txt

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  • Root Admin

Hello @achaemenes

Please run the following fix for me.

 

 

Please download the attached fixlist.txt file and save it to the Desktop or location where you ran FRST from.
NOTE. It's important that both files, FRST or FRST64, and fixlist.txt are in the same location or the fix will not work.

Please make sure you disable any real-time antivirus or security software before running this script. Once completed, make sure you re-enable it.

NOTICE: This script was written specifically for this user, for use on this particular machine. Running this on another machine may cause damage to your operating system that cannot be undone.

Run FRST or FRST64 and press the Fix button just once and wait.
If the tool needs a restart please make sure you let the system restart normally and let the tool complete its run after restart.
The tool will make a log on the Desktop (Fixlog.txt) or wherever you ran FRST from. Please attach or post it to your next reply.

Note: If the tool warned you about an outdated version please download and run the updated version.

NOTE-1:  This fix will run a scan to check that all Microsoft operating system files are valid and not corrupt and attempt to correct any invalid files. It will also run a disk check on the restart to ensure disk integrity. Depending on the speed of your computer this fix may take 30 minutes or more.

NOTE-2: As part of this fix all temporary files will be removed. If you have any open web pages that have not been bookmarked please make sure you bookmark them now as all open applications will be automatically closed. Also, make sure you know the passwords for all websites as cookies will also be removed. The use of an external password manager is highly recommended instead of using your browser to store passwords.

NOTE-3: As part of this it will also reset the network to default settings including the firewall. If you have custom firewall rules you need to save please export or save them first before running this fix.

The following directories are emptied:

  • Windows Temp
  • Users Temp folders
  • Edge, IE, FF, Chrome, and Opera caches, HTML5 storages, Cookies and History
  • Recently opened files cache
  • Flash Player cache
  • Java cache
  • Steam HTML cache
  • Explorer thumbnail and icon cache
  • BITS transfer queue (qmgr*.dat files)
  • Recycle Bin

Important: items are permanently deleted. They are not moved to quarantine. If you have any questions or concerns please ask before running this fix.

The system will be rebooted after the fix has run.

fixlist.txt

Thanks

 

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Hi AdvancedSetup

Thank you very much for your fixlist. I'm quite new so apologies for the naivety.

1. I noticed the fixlist contains items including bomgar and lifelabs. I use this computer as a "server" for an electronic medical record system for work - bomgar is used for remote IT support and lifelabs pulls in items required for my work. Will these items be affected? I cannot do without them and I am sure they are not malware...

2. Sorry for the daft question, but how do I run this fixlist? I am happy to be directed to a link...

Many Thanks

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  • Root Admin

Hello @achaemenes

Okay, I have removed those entries from the FIXLIST and have uploaded a new version. The file from 2012 is now 9 years old and why I targeted it for removal. The bomgar is used for remote control but is normally removed once the support service has been completed.

Please save the new attached FIXLIST.txt file to this folder:  C:\Users\pasho\Downloads\

Then run the Farbar FRST program again from here C:\Users\pasho\Downloads\FRST64.exe and click on the FIX button.

fixlist.txt

As long as the FIXLIST.TXT file is in that same folder it will run the fix.

When done please post back the FIXLOG.TXT file.

Thank you

 

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  • Root Admin

From the logs. SFC was able to find and repair some issues.

Windows Resource Protection found corrupt files and successfully repaired them.

Let me have you run the following, please.

 

The Microsoft Safety Scanner is a free Microsoft stand-alone virus scanner that can be used to scan for & remove malware or potentially unwanted software from a system.

The download links & the how-to-run-the tool are at this link at Microsoft

https://docs.microsoft.com/en-us/windows/security/threat-protection/intelligence/safety-scanner-download

Please let me know the results of this scan.

The log is named MSERT.log 

the log will be at  %SYSTEMROOT%\debug\msert.log   which in most cases is

C:\Windows\debug\msert.log

Please attach that log with your next reply.

 

 

 

After that scan then download and run the following tool. It will scan for outdated software and update it for you automatically

Patch My PC Home Updater
https://patchmypc.com/home-updater

 

I'd uninstall the uTorrent software unless you really need it.

Let me know how things go @achaemenes

Thanks

 

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Hi AdvancedSetup,

I ran a full scan on Microsoft Safety Scanner and msert.log attached. It had found a few "infected" files, and from the log it removed DefenderTamperingRestore.

I also ran PatchMyPC and there were no apps that were out of date (all green).

I immediately removed utorrent upon finding it on my PC after kid downloaded it!

Any further steps? What is your assessment of this case?

msert.log

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I should also mention.. I am still getting notifications after all of this - about sites being blocked. See screenshot. As you can see it happens pretty frequently. And all of the time the file it lists is c:\Windows\explorer.exe. The sites are all different though. All outbound too.

notifications.thumb.jpg.5c1ebc3d83c071e36cf5fdf3d88ff05a.jpg

 

 

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  • Root Admin

Let's go ahead and try another 3rd party antivirus scanner and see what it finds

 

Let me have you run a different scanner to double-check.

I would suggest a free scan with the ESET Online Scanner

Go to https://download.eset.com/com/eset/tools/online_scanner/latest/esetonlinescanner.exe

  • It will start a download of "esetonlinescanner.exe"
  • Save the file to your system, such as the Downloads folder, or else to the Desktop.
  • Go to the saved file, and double click it to get it started. 
  • When presented with the initial ESET options, click on "Computer Scan".
  • Next, when prompted by Windows, allow it to start by clicking Yes 
  • When prompted for scan type, Click on Full scan 
  • Look at & tick  ( select )   the radio selection "Enable ESET to detect and quarantine potentially unwanted applications"   and click on the Start scan button.
  • Have patience.  The entire process may take an hour or more. There is an initial update download.
  • There is a progress window display.
  • You should ignore all prompts to get the ESET antivirus software program.   ( e.g. their standard program).   You do not need to buy or get or install anything else.
  • When the scan is completed, if something was found, it will show a screen with the number of detected items.  If so, click the button marked “View detected results”.
  • Click The blue “Save scan log” to save the log.
  • If something was removed and you know it is a false finding, you may click on the blue ”Restore cleaned files”  ( in blue, at the bottom).
  • Press Continue when all done.  You should click to off the offer for “periodic scanning”.

 

Note: If you do need to do a File Restore from ESET please follow the directions below

[KB2915] Restore files quarantined by the ESET Online Scanner version 3

https://support.eset.com/en/kb2915-restore-files-quarantined-by-the-eset-online-scanner

 

Thanks @achaemenes

 

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  • Root Admin

It looks like Malwarebytes is faulting. Let me have you do a clean removal and reinstall and let's see if that helps or not.

 

Can you please do the following?

  • Download the Malwarebytes Support Tool
  • In your Downloads folder, open the mb-support-x.x.x.xxx.exe file
  • In the User Account Control pop-up window, click Yes to continue the installation
  • Run the MBST Support Tool
  • In the left navigation pane of the Malwarebytes Support Tool, click Advanced
  • In the Advanced Options, click the CLEAN button and follow the onscreen instructions to reinstall Malwarebytes
  • NOTE: Please have patience as it can take a while to remove and reinstall. The computer will restart to complete

After the restart please do the following

  • Run the MBST Support Tool
  • In the left navigation pane of the Malwarebytes Support Tool, click Advanced
  • In the Advanced Options, click Gather Logs. A status diagram displays the tool is Getting logs from your machine
  • A zip file named mbst-grab-results.zip will be saved to your desktop, please upload that file on your next reply

Thank you

 

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Hi,

I followed everything in that link, including manually deleting in the last step except bookmarks. Note that there was no Reset Sync option, but instead I think it is now called Clear Data. I did reboot my system and in past 30 min have received 1 outbound threat. I'll continue to monitor. Does this mean that I do not have a malware issue? Was this all caused by a Chrome issue?

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  • Root Admin

No, let me get some new logs please

 

To begin, please do the following so that we may take a closer look at your installation for troubleshooting:

NOTE: The tools and the information obtained are safe and not harmful to your privacy or your computer, please allow the programs to run if blocked by your system.

  • Download the Malwarebytes Support Tool
  • In your Downloads folder, open the mb-support-x.x.x.xxx.exe file
  • In the User Account Control pop-up window, click Yes to continue the installation
  • Run the MBST Support Tool
  • In the left navigation pane of the Malwarebytes Support Tool, click Advanced
  • In the Advanced Options, click Gather Logs. A status diagram displays the tool is Getting logs from your machine
  • A zip file named mbst-grab-results.zip will be saved to your desktop, please upload that file on your next reply

Thank you

 

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  • Root Admin
Click on  START - RUN and type in SIGVERIF and click OK
 
This is a Microsoft File Signature Verification program that will check the status of some files for us.

image.png

  • Click on the  START button and let it run. 
  • It will popup a box when it's done to show the status, you can close that box.
  • Close the  File Signature Verification application.
  • On Windows 7 / 10 find and attach the file C:\Users\Public\Public Documents\SIGVERIF.TXT to your next reply.
  • DO NOT post the log directly into your reply, attach the file please.
 
 

Next,

 

Create an Autoruns Log:

  • Please download Sysinternals Autoruns from here.
  • Save Autoruns.exe to your desktop and double-click it to run it.
  • Once it starts, please press the Esc key on your keyboard.
  • Now that scanning is stopped, click on the Options button at the top of the program and select Verify Code Signatures and Check VirusTotal.com and Submit Unknown Images
  • Once that's done press the F5 key on your keyboard, this will start the scan again, this time let it finish.
  • When it's finished, please click on the File button at the top of the program and select Save and save the Autoruns.arn file to your desktop and close Autoruns.
  • Right-click on the Autoruns.arn file on your desktop and hover your mouse over Send To and select Compressed (zipped) Folder
  • Attach the Autoruns.zip folder you just created to your next reply

 

image.png

 

Thanks

 

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