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CoinMiner Trojan: How to Completely Remove?

Today I found my CPU being used more than usual. I checked on that and noticed one of the svchost.exe processes running continuously at around 20% CPU. As this seemed a little suspicious, I downloaded Malwarebytes and ran a scan. It found a pack of Trojan.Downloader and Trojan.MalPack files are located in subfolders of my C:\Users\Appdata\Local\Temp folder.

I put them in quarantine. Unfortunately, Malwarebytes still reports the reoccurrence and blocking of a file called C:\ProgramData\ndfbaljqaqzm\dckuybanmlgp.exe. I did some research and this seems to be a CoinMiner so I suspect I did not get rid of the whole problem. The file is continuously recreated and quarantined.Reddit User

Malwarebytes Detect CoinMiner Trojan

Malwarebytes Detect CoinMiner Trojan

When persistent malware like Trojans and CoinMiners evade removal from standard tools like Malwarebytes, it might be time to employ a more robust solution. Gridinsoft Anti-Malware offers a powerful alternative, designed to eliminate these stubborn infections. Follow this guide to clean your system effectively using Gridinsoft Anti-Malware.

Initial Steps for Detection and Removal

  1. Install Gridinsoft Anti-Malware: Download and install Gridinsoft Anti-Malware from the official website. Ensure you have the latest version to take advantage of the most recent updates and malware definitions.
  2. Run a Full Scan: Launch Gridinsoft Anti-Malware and perform a full system scan to detect any hidden malware or remnants of infections. The comprehensive scanning algorithm will help pinpoint even the most elusive threats.

Remove CoinMiner with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove CoinMiner as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file. Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

3. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for CoinMiner Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

4. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The CoinMiner was Found

5. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The CoinMiner has been removed

6. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Stopping Recurrent Malware

  1. Identify and Delete Malicious Processes: Monitor your system’s resource usage via Task Manager to identify any suspicious processes that consume a high percentage of CPU. Right-click on the process and select ‘Open file location’. Delete the files if they are in unusual or temporary directories like Temp or ProgramData.
  2. Disable Startup Entries: Use the System Configuration tool (msconfig) or Task Manager to disable startup items that are linked to the malicious software.
  3. Clean Temporary Files: Clear out your Temp folder using the Disk Cleanup tool or manually delete the contents to remove any executables or payloads left by the malware.
  4. Delete Registry Entries: Malware often creates registry entries to ensure persistence. Use the Registry Editor (regedit) with caution to locate and delete any suspicious entries. Look for entries under ‘RUNsections within ‘HKEY_CURRENT_USERand ‘HKEY_LOCAL_MACHINE’.

Prevent Future Infections

  1. Enhance Browser Security: Install ad blockers and script blockers to prevent malicious scripts from executing while browsing.
  2. Update Regularly: Keep your operating system, browsers, and all installed software updated to protect against vulnerabilities used by malware.
  3. Practice Safe Browsing: Be cautious with email attachments and downloads from untrusted sources. Avoid clicking on suspicious links.

By diligently following these steps, you can effectively remove persistent malware such as Trojans and CoinMiners from your PC and take preventive measures to safeguard against future infections. For complex cases, consider consulting with a professional cybersecurity expert.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
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Using Gridinsoft Anti-Malware to remove persistent Trojans and CoinMiners ensures your PC is thoroughly cleaned and protected against future infections. Staying proactive with regular scans and updates is crucial for maintaining a secure system.

About the author

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I'm Brendan Smith, a passionate journalist, researcher, and web content developer. With a keen interest in computer technology and security, I specialize in delivering high-quality content that educates and empowers readers to navigate the digital landscape.

Focused on computer technology and security, I am committed to sharing my knowledge and insights to help individuals and organizations protect themselves in the digital age. My expertise in cybersecurity principles, data privacy, and best practices enables me to provide practical tips and advice that readers can implement to enhance their online security.

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