Butler Miner Coin Miner Trojan - How to Remove It
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Butler Miner Coin Miner Trojan – How to Remove It

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This article has been created with the purpose to explain what is the Butler Miner Trojan horse and how to remove this malware from your computer plus how to stop it from mining cryptocurrencies on your PC.

The Butler Miner Trojan is the type of malware whose primary purpose is to overuse the CPU and GPU resources of your PC once it has infected it. This may ultimately result in the miner making your computer sluggish, freezing at times and even may damage it’s critical system components. In addition to this, the Butler miner is a Trojan horse, meaning that this threat can perform series of unwanted activities on your computer, starting with stealing your important information or installing other viruses on your computer. This is why it is important that you focus on removing this cryptocurrency miner completely from your computer, preferably by using the information in this article.

Threat Summary

NameButler Miner Coin Miner Trojan
TypeTrojan Horse/Miner
Short DescriptionInfects your computer silently after which connects to a remote host and begins to use your CPU or GPU power to mine for cryptocurrencies.
SymptomsThe Butler Miner trojan may run a program into the explorer.exe process which results in the immediate activity of this miner forcing it to take power from your CPU and slow down your computer.
Distribution MethodPosing as a fake installer or via other malware. Malspam is also a potential scenario.
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Butler Miner Trojan – Distribution Methods

In order to be widespread, the Butler Miner Trojan’s primary purpose is to get you to be fooled to download a file, you believe is legitimate. Such files are often masked as legitimate types of files and can be sent to you in the form of seemingly important documents via e-mail, accompanied with convincing statements, for example:

In addition to this, the malicious files of the Butler Miner malware may also be spread as a result of various different types of fake setups of programs that can be uploaded online and waiting for you to be misled into downloading them. Such software is usually uploaded on shady software download sites and even via hacked accounts of uploaders on torrent tracker websites.It usually tends to imitate the following types of programs:

  • Setups of software.
  • Programs.
  • Key generator.
  • A driver installer.
  • Game crack or patch, key generators or other software license activators.

Butler Miner Trojan – More Information

Once the Butler Miner Trojan is installed on your computer, the malware may begin to perform various different activities on your PC, including to drop it’s malicious files in the often targeted system folders of Windows:

  • %AppData%
  • %Roaming%
  • %Temp%
  • %Local%
  • %LocalLow%

The Trojan may also create multiple different Windows registry entries in the Windows Registry Editor sub-keys in order for the Trojan to run automatically on System boot:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

Furthermore, the malware may also target other Windows Registry sub-keys with the one and only purpose to change settings of your computer.

The main goal of the Butler Miner Trojan, however is to connect your computer to a mining pool for what may be the Monero cryptocurrency, since this virus uses XMRig which it injects as a script. XMRig is a cryptocurrency miner and the Butler Miner Trojan injects it in the legitimate process explorer.exe of Windows. A cryptocurrency mining pool is a place where different miners combine their mining power to mine for blocks. When enough blocks are mined, the reward is given to the miners divided based on how much mining power they put in. The hackers who are behind the Butler Miner Trojan likely use the software to increase their mining power by linking their one miner wallet to many computers, hence generating more Monero tokens at the expense of your computer’s CPU and GPU resources. This may result in several negative outcomes for you, including breaking the components of your PC due to overusing them, especially if the malware stays on your computer for longer periods of time.

In addition to this, Butler Miner is a Trojan horse as well, meaning that it has all of the capabilities as a Trojan horse has, and this does include:

  • Taking screenshots.
  • Stealing Passwords you have saved on your web browser.
  • Logging the keystrokes you type.
  • Downloading and installing other malware on your computer.
  • Information about your important files.

The main symptom of seeing the Butler Miner is not only your computer slowing down, but also more than a half of your CPU’s power may be utilized from the process explorer.exe. And another symptom is that your PC may automatically start the following software:

In addition to this, the miner malware may also run a window, that is called mgdisk without any consent or knowledge of the user.

How to Remove the Butler Miner Trojan from Your Computer

In order to remove this miner software from your PC we recommend that you follow the removal instructions underneath this article. They have been divided in manual and automatic removal methods and if you lack the experience in removing the Butler Miner Trojan manually we reccomend that you do it automatically, preferably by using an anti-malware software to scan for and remove all of the malicious files and objects created by the Butler Miner malware on your PC. Furthermore, such software will secure your PC against future infections as well and this is why most experts often recommend using this type of software.

Note! Your computer system may be affected by Butler Miner Coin Miner Trojan and other threats.
Scan Your PC with SpyHunter
SpyHunter is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as Butler Miner Coin Miner Trojan.
Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter’s malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter’s EULA, Privacy Policy and Threat Assessment Criteria.

To remove Butler Miner Coin Miner Trojan follow these steps:

1. Boot Your PC In Safe Mode to isolate and remove Butler Miner Coin Miner Trojan files and objects
2. Find files created by Butler Miner Coin Miner Trojan on your PC

Use SpyHunter to scan for malware and unwanted programs

3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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