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I located the Trojan yelloader on my system and can't delete it


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Good morning,

can someone please help I've run malwarebytes custom scans with rootfinder I've also ran the malware anti rootkit software. Mwb is able to find the malware and everytime it finishes the scan and quarantine it always leaves behind a folder called wmcagent in my C:/users/user/appdata/local the wmcagent also has multiple processes in my task manager that I can not end. Whenever I try to delete the wmcagent manually even in safe mode I receive a access denied I have tried deleting it with a unlocker I have also tried to take ownership manually by adding a take ownership through regedit with all my attempts failing. I've Uninstalled suspicious applications such as,

QuickAccess 

YTLoader 1.48

Chameleon task manager

Anonymizer gadget 

And I am trying to avoid doing a reimaging due to not having access to a seperate clean pc. Can you guys please help!

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  • Staff

***This is an automated reply***

Hi,

Thanks for posting in the Malware Removal for Windows Help forum. Being infected is not fun and can be very frustrating to resolve, but don't worry because we have a team of experts here help you!!

Note: Please be patient. When the site is busy it can take up to 48 hours before a malware removal helper can assist you. If no one has replied to your new topic after 48 hours please contact a Moderator or Administrator to let them know.

 

First, if you haven't done so, please run a Threat Scan with the latest version of Malwarebytes. This may resolve your malware infection issue without the need for additional support. Click "Reveal Hidden Contents" below for details:

Spoiler

Malwarebytes can detect and remove most malware with no further actions required for free.

If you do not have Malwarebytes, please download it here and install. Be sure to post back the log as shown below.

  1. Open Malwarebytes for Windows
  2. To the left, click Scan > Scan Types.
    image.png
  3. Select Threat Scan. Threat Scan is the most thorough and recommended scan method available.
    image.png
  4. Click Start Scan

Next, if you're still experiencing issues after running Malwarebytes, then technical logs will be required to assist you. Click "Reveal Hidden Contents" below and follow the instructions to run the Farbar Recovery Scan Tool:

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Don't use any temporary file cleaners unless requested - this can cause data loss and make a recovery difficult.

Please download the Farbar Recovery Scan Tool here and save it to your desktop. Note: You need to run the version compatible with your system. You can check here if you're not sure if your computer is 32-bit or 64-bit

  1. Double-click to run it. When the tool opens click Yes to the disclaimer.
  2. Press the Scan button.
    _frst_scan.jpg.d10e66dc03e35ede4fdcba12b
  3. It will make a log (FRST.txt) in the same directory the tool is run. Please copy and paste it to your reply.
  4. The first time the tool is run, it also makes another log (Addition.txt). If you've run it before it may not and you may need to select it manually.

Finally, attach the Malwarebytes Threat Scan, FRST.txt and Additional.txt logs to your reply. Before submitting your reply, be sure to enable "Notify me of replies" like so: notify me.jpeg

Click "Reveal Hidden Contents" below for details on how to add attachments to your post.
Note: If you are unable to attach files, please copy and past the contents of the requested files in your Reply instead. 

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To save attachments, please click the link as shown below. You can click and drag the files to this bar or you can click the choose files, then browse to where your files are located, select them and click the Open button.

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Please Note the Following:

  • One of our expert helpers will give you one-on-one assistance when one becomes available.
  • Refrain from making any further changes to your computer (such as Install/Uninstall programs, using special fix tools, delete files, edit the registry, etc...) unless advised by a malware removal helper. Doing so can result in system changes which may hinder the attempts by a helper to clean your machine.
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Troubleshooting Tips

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Hello, Welcome to Malwarebytes.
I'm nasdaq and will be helping you.

If you can please print this topic it will make it easier for you to follow the instructions and complete all of the necessary steps in the order listed.
===

Download the version of this tool for your operating system.
Farbar Recovery Scan Tool (64 bit)
Farbar Recovery Scan Tool (32 bit)
and save it to a folder on your computer's Desktop.
Double-click to run it. When the tool opens click Yes to disclaimer.
Press Scan button.
It will make a log (FRST.txt) in the same directory the tool is run. Please copy and paste it to your reply.
The first time the tool is run, it makes also another log (Addition.txt). Please attach it to your reply.

How to attach a file to your reply:
In the Reply section in the bottom of the topic Click the "more reply Options" button.
attachlogs.png

Attach the file.
Select the "Choose a File" navigate to the location of the File.
Click the file you wish to Attach.
Click Attach this file.
Click the Add reply button.
===

Please post the logs  for my review.

Wait for further instructions.

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Nasdaq good afternoon, First I would like to say thank you so much for the swift response and sorry for my delayed one. Below I have attached the information from the FRST.txt file and I have also attached the Addition file, I look forward to working with you in hopefully finding my solution! I know you requested for me to paste the information but I was having difficulty posting the FRST file because the post is calling it spam so I had to also attach it.

Addition.txt

FRST.txt

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Hi,

I have identified a bad SmartService infection.

You will need access to a spare PC and a USB flash drive that has not been in contact with the sick PC...

I need to know first if you can enable the Recovery Environment...

Open FRST on the compromised computer:

copy/paste the following inside the text area of FRST. Once done, click on the Fix button. A file called fixlog.txt should appear on your desktop. Attach it in your next reply.

Start::
CMD: bcdedit.exe /set {bootmgr} displaybootmenu yes
CMD: bcdedit.exe /set {default} recoveryenabled yes
End::

frst%2520b.jpg&key=98f8e4fa906452a8ed544

On completion, a message will come up saying that the fix has been completed and it'll open a log in Notepad
Copy and paste its content in your next reply.

Wait for further instructions.
<<<>>>

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