OSX.Coinminer - How to Detect and Remove from Your Macbook
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OSX.Coinminer Trojan – How to Detect and Remove from Your Macbook

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Monero CryptoCurrency Miner imageThis article has been created in order to help you by explaining what is the OSX.Coinminer and how to remove it computer completely.

A new cryptocurrency miner for Apple computers has been discovered by Symantec researchers. The miner malware aims to overuse the CPU and GPU resources on your MacBook and generate cryptocurrency money to the cyber-criminals who are behind this malware. The OSX.Coinminer threat may also perform other unwanted activities on your MacBook, such as obtain different information from it, like logins, passwords, files, etc. If you suspect that your computer has fallen victim to the OSX.Coinminer, we advise you to read the following article in order to learn how to remove this malware from your computer and protect it against future crypto miner infections, like OSX.Coinminer.

Threat Summary

NameOSX.Coinminer
TypeCryptocurrency Miner Malware for Mac
Short DescriptionAims to use the resources on the Apple devices running OSX in order to mine for cryptocurrencies, like BitCoin or Monero.
SymptomsThe infected computer may experience performance slow-downs, system freezes and may even crash at times.
Distribution MethodSpam Emails, Email Attachments, Executable files
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OSX.Coinminer – How Does It Infect

The primary method of infection, which may be used by OSX.Coinminer is likely done via e-mail spam messages, that may carry malicious e-mail attachments or malicious web links within them. Since OSX has the so-called Sandbox protection of Apps, the infection file may actually be a legitimate document which triggers malicious macros only after the user has allowed it to run. Such documents may be Microsoft Word documents which trigger the infection when the user clicks on “Enable Content” in order to see what is in the document. After doing so, the following chain of activities may be activated:

In addition to this, the OSX.Coinminer may also trigger an infection via websites that have been infected and contain it’s malicious JavaScript code which when you visit the website, triggers a drive-by download and the infection process is initiated.

Also, another scenario which has been reported to be associated with OSX.Coinminer has been reported to be conducted via bundling the application with legitimate setups for software or games.

OSX.Coinminer – More Information and Activity

When the OSX.Coinminer has infected your OSX machine, the malware may begin to execute the malicious cryptocurrency mining code alongside the legitimate app. This way, OSX.Coinminer makes you to believe that you have the legitimate application running, while in the background it runs hashing operation which is basically calculating complex mathematical tasks to generate cryptocurrency money. This activity may result in your computer having to slow down, freeze at times and have you wondering why does this happen. The main danger besides the decrease in performance is that if the miner runs for longer periods of time on your device, it may damage it’s components due to overutilization.

In addition to this, since OSX.Coinminer is malicious, the malware may perform various unwanted activities that have nothing to do with the mining operation it does on your OSX device. Such activities may include:

  • Steal system information, such as IP address, ISP, System Language and Location.
  • Steal important information, like you name, address, financial data and passwords for accounts.

After this has been done, the malware may also run automatically the coin miner procedure each time you start your Mac. The way the mining operation is by connecting your computer to third-party mining pools, which contain a lot of different infected computers linked to the wallet of the cyber-criminal so the more computers he infects, the more money they make.

Remove OSX.Coinminer from Your Computer

In order to detect and remove this cryptocurrency miner Trojan from your computer system, we recommend that you focus on downloading an advanced anti-malware software from it. The OSX.Coinminer is the type of malware which aims to remain unnoticed so experts would strongly suggest to use an advanced malware detection and removal tool for OSX machines in order to make sure that this program is fully gone from your computer and it stays protected against future infections 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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