Mac "Virus" – How to Remove It from Your Mac
THREAT REMOVAL Mac “Virus” – How to Remove It from Your Mac

This article has been made with the main idea in mind to explain what is the and how you can remove it completely from your Mac.

A new infection, attacking Mac users has been detected to hijack the in the Library of your Mac. The program is believed by researchers to be a hijacking Trojan horse which affects legitimate processes of the victims’ Macs, so that the malware remains persistent on them. In addition to this, the may have something to do with a false positive in relation to some antivirus programs that display detection. If you see the infection to be detected n your mac, we recommend that you read this article to be able to understand when the MRT is malware on your Mac and when it’s a false positive and how you can remove the if it is, in fact, malicious.

Threat Summary "Virus"
TypeMalware or a false-postive for Mac OS
Short DescriptionBelieved to come from the Malware Removal Tool (MRT), but could also be detected in relation with a virus on your Mac.
SymptomsDetections continue to reappear in relation to and the virus can replicate onto different legitimate Mac apps.
Distribution MethodEither a false positive or if malware, may be distributed via e-mail or files, pretending to be legitimate.
Detection Tool See If Your System Has Been Affected by "Virus"


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User ExperienceJoin Our Forum to Discuss "Virus". Detection – How Did I Get It

Users on reddit have complained of getting the detected as infection on their antivirus software. The reports were associated with the app, located in the follwing path:

→ /System/Library/CoreServices/

The reports were quickly answered as this is the Malware Removal Tool which is enabled by default on the users’ Macs. The tool is part of the embedded malware protection and likely detected by third-party antivirus programs as a virus itself, because of the escalated permissions it has over the apps. Avast support had the following to reply on their security forums:

“Re: False positive in Swift standard library? « Reply #7 on: Today at 10:26:55 PM » Hello,
sorry for your inconvenience, we are working on fix and it will be release asap.”

Other users report that the core of the conflict is within how Apple Swift library interacts with any third party antivirus programs, although no specific details were yet revealed.

What Does Do If Malicious

Even though most reports have outlined the detection as being a false positive, reappearing of the detection after users have reported it to most antivirus vendors may mean that it could be malicious. One of the strongest symptoms of the being malicious is for the file to have another location as the one we have shown above. If so, then you would need to consider understanding the risks of any virus-related attack that uses the name as a pretext to conduct it’s malicious activities.

In the events that the is malicious, be advised that you should be aware of the fact that it can perfrom the following malicious activities on your Mac:

  • Migrate to other processes and apps.
  • Obtain information from your Mac’s drive.
  • Cause your Mac to crash.
  • Erase important information from your Mac.
  • Gain live access to what you do on your Mac’s Desktop.
  • Take screenshots.
  • Track the keystrokes you type.
  • Steal your Apple ID and other account names and passwords.
  • Install other viruses on your Mac.
  • Run a cryptocurrency miner malware.

If you have seen one of those symptoms, then you should do a second check up on your Mac for any viruses that may be related or interfering with MRT so that they remain undetected.

Remove – Related Viruses from Your Mac

If you want to stop the false positive detection of the on your Mac it is rather easy – simply white list the folder of in your antivirus program. If you, however believe that your Mac has been infected by malware, we would recommend that you follow the removal instructions underneath this article to remove any apps that might cause you trouble. If you cannot identify the source of the problem, then experts always recommend to download and run a scan, using an advanced anti-malware program. Such tool will automatically detect and remove any malware that may be causing issues on your Mac.


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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