RubyMiner Malware – How to Detect and Remove It from Your Computer

RubyMiner Malware – How to Detect and Remove It from Your Computer

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This article has been created in order to explain what is the RubyMiner malware threat and how to remove it from your computer.

New cryptocurrency miner, known as RubyMiner has been detected by malware researchers. The virus aims to mine for cryptocurrencies by using the resources of your computer in order to obtain tokens. This may result in your computer to become non-responsive at times, slow down in terms of performance and in addition to this if the virus remains for longer periods of time on your computer, it may break your components due to overheating. If you believe that your computer has been infected by RubyMiner malware, recommendations are to focus on removing it preferably by reading the following article.

Threat Summary

TypeCryptoCurrency Miner
Short DescriptionRuns a process in the background of your computer which begins to mine for anonymous cryptocurrencies.
SymptomsSlow performance of your computer plus different types of system freezes and insufficient processing memory errors.
Distribution MethodVia fake executables or malicious web links spreading infection files.
Detection Tool See If Your System Has Been Affected by RubyMiner


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss RubyMiner.

How Did RubyMiner Infect My PC?

There are more than one method by whch RubyMiner may propagate on your computer system. The virus often uses malicous files that are masked as legitimate and it may introduce them to you either passively or actively. The passive methods are if the malware uploads the malicious files on a suspicious website as the files you may be looking for to download. Such files are often:

  • Fake game patches.
  • Fake cracks.
  • Torrent files that are actually executable files.
  • Fake setups of software or games.
  • Fake license activation software.

In addition to this, the cyber-criminals who are behind RubyMiner malware may also infect your computer via other methods that are more active, like sending spam messages containing short URL’s that may lead your computer to an unsafe website, causing the infection via a drive-by download or a malicious script. In addition to this, the virus may also be sent to you in the form of a fake document which only pretends to be legitimate. Such files and documents are usually accompanied by deceitful messages, like the example malicious spam e-mail below shows:

RubyMiner – Capability and Activities

When an infection with RubyMiner has taken place on your computer, the malware begins to drop it’s files on your computer. The main folders on which the files of RubyMiner may be dropped are believed to be the following:

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

Once RubyMiner has set it’s files to be dropped on your PC, the virus may activate them and begin performing various malicious activities on your computer. Since it is malware, RubyMiner may extract the following information from your computer system:

  • Your network information.
  • Your saved passwords and logins.
  • Log your keystrokes.
  • Update itself.
  • Copy itself multiple times to make the removal of files more difficult.
  • Download other malware on your computer.

The main activity of RubyMiner however is to run a miner on your computer which begins to utilize over 90% of both your GPU and CPU (Video Card and Central Processor). These activities may result in the malware being able to generate cryptocurrency tokens and add them to the cryptocurrency wallet of the cyber-criminal who is behind the infection with RubyMiner. This usually happens by connecting your computer to a mining pool (see image below) of many computers, which easifies the mining process. The more computers, the cyber-criminal has infected and linked to his wallet, the faster he will generate cryptocurrency tokens at your PC’s expence. In addition to this, since the malware aims to stay for longer periods of time on your computer system, the virus may begin to break down your components, if it stays for longer periods of time. This is because the mining process uses a lot of the CPU and GPU’s arithmetica-logial calculating power and this results in a lot of side heat temperature to be generated in the process.

How to Detect and Remove RubyMiner from Your Computer

In order to detect this virus it is important to first check it as a process on your Task Manager and end it, because the process associated with RubyMiner needs to be closed before the malware is removed. The other scenario is if the malware runs via a malicious JavaScript, which means that your web browser security has been comptomised and you need to reinstall it. For maximum effectiveness during the removal, we advise besides doing the mentioned so far actions to also follow the removal instructions down below. Be advised that while manual removal Is reccomended for tech savvy users, security experts always outline the best method to remove malware, like RubyMiner from your computer automatically by using an advanced anti-malware software. Such may ensure that the virus stays removed from your PC in the future as well.


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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