How To Remove Trojan Viruses On Mac 2024

Dealing with Trojan viruses on a Mac can be a concerning issue impacting system security and performance. Understanding how to effectively remove these threats is crucial for maintaining a safe and optimized Mac environment. This guide will provide comprehensive steps and strategies to help users identify, eliminate, and safeguard against Trojan viruses on their Mac systems, ensuring a secure computing experience.

What Are Trojan Viruses?

A Trojan virus, also known as a Trojan Horse, gets its name from the fact that it is the digital counterpart of Troy’s Wooden Horse. The wooden horse was then used to deceive Troy’s defenses into allowing enemy forces to enter the city walls. When a Trojan virus infects your Mac, it disguises itself as something genuine to deceive people into downloading the virus. Trojan horses frequently pose as software updates, such as those for Adobe Flash, or as antiviral programs.

How Do Trojan Viruses Infect Your Mac?

Trojans are possible to be familiar to you; they may appear as email attachments. Despite the letter’s seeking      legitimacy, its sole intent is to trick you into opening the attachment or clicking on a malicious link, which would instantly infect your Mac with a Trojan. Trojans’ main feature is that you don’t realize you’re installing them; although they behave and appear like genuine files, they can install further software and even track your activities without your knowledge.

When Should You Suspect A Trojan On Your Mac?

Trojan horse virus symptoms are similar to those of other virus kinds in many cases. Among them are:

  • Your Mac begins acting strangely and performing unexpected actions.
  • Your Mac appears to be experiencing CPU hogging when it starts operating very slowly.
  • Your internet becomes erratic and sluggish.
  • You observe modifications to system choices or browser settings.
  • Some files and apps that you used to be able to access are no longer accessible.

Remember, finding software on your Mac that you didn’t plan to download is a dead giveaway for a Trojan virus. That can be an extension for your web browser or a program in your Applications folder.

How To Get Rid Of Trojan Virus?

Method 1: Use The Cleanup My System App

You should run a thorough malware scan if you’ve noticed that your Mac is acting suspiciously. The most effective method is to utilize a specialized program such as Cleanup My System. With its ability to identify and eliminate thousands of threats, including worms, ransomware, spyware, and adware, it performs far better than standard Trojan virus removers. Here are the steps:

Step 1: Click the download  to download the Cleanup My System app.

Note: Install the software on your computer after reading the on-screen instructions and accepting the license agreement.

Step 2: Start Cleanup My System by double-clicking the shortcut created on the desktop.

Step 3: From the left panel, select the Cache Cleaner option. This module will locate log files, crash reports, and cache.

Step 4: Click the Start Scan button now. The Cleanup My System app will start searching your Mac for potentially unnecessary files.

Step 5: You can review the scan findings to see what was discovered in each sub-category once the scanning is finished. Next, select the files you want to remove, then click Clean Now.

Note: You can see how much space software crash reports, unneeded logs, and cache files take up by looking to the right of the Clean Now button.

Method 2: Delete Malicious Profiles

Certain Trojan viruses generate extra profiles and utilize them to modify system and browser configurations. Thus, the first thing to do is see if any new profiles have been added, and if so, delete any malicious ones. Here’s how to do it:

Step 1: Go into System Settings.

Step 2: Go to the Users & Groups page.

Step 3: Click the i next to any profiles you haven’t created and choose Delete Account. From the pop-up, choose Delete the home folder.

For each profile you wish to delete, follow the same procedures.


Method 3: Remove Malicious Applications

You can use Cleanup My System to facilitate a complete uninstallation of apps from your Mac. It is an easy process and requires a few mouse clicks. However, if you wish to remove the unknown apps manually then you need to follow these steps:

Step 1: To remove the malicious app, start by navigating to the Applications folder.

Step 2: Locate the app and drag it to the Trash, then proceed to empty the Trash.

Step 3: Next, eliminate any remaining files linked to the app. In Finder, click ‘Go’ in the menu bar and select ‘Go to Folder.’

Step 4: Paste the following paths individually into the window that appears and delete any associated files by sending them to the Trash:

~/Library/Application Support



~/Library/Internet Plug-Ins/


~/Library/Application Support/CrashReporter/



~/Library/Saved Application State/

/Library/Application Support


Step 5: Clean your Trash and reboot your Mac.



Method 4: Reset Browser Settings

Resetting browser settings can be an effective way to tackle Trojan viruses that affect web browsers. It involves reverting your browser to its default state, eliminating potentially harmful changes caused by the Trojan. However, it’s important to note that this action might delete saved passwords, cookies, and browsing history. Always consider backing up essential data before resetting browser settings to ensure you don’t lose important information.

Removing malicious browser extensions is crucial when dealing with Trojan viruses affecting web browsers. These extensions often compromise browser security and user privacy. By accessing the browser’s settings or extensions menu, users can locate and uninstall suspicious or unwanted extensions.



By following the comprehensive steps outlined in this guide, users can effectively identify, remove, and protect their Mac systems against Trojan viruses. Implementing these methods not only ensures the elimination of existing threats but also empowers users to adopt proactive measures, maintaining a secure and optimized environment for their Mac devices in the face of potential future infections.

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