Viruses and malware (malware) can invade users’ Mac computers in many different ways. Once infiltrated on the system, the virus can cause a host of annoying system errors and even steal users’ personal data.
Refer to the following article of Taimienphi.vn to learn the signs of Mac virus, malware as well as how to remove viruses, malware on the Mac offline.
1. Signs Mac is infected with virus and malware
Before starting to go into the steps to remove viruses, malware on Mac, we will learn some signs of Mac virus, malware:
– Mac is not working properly, as expected.
– The device starts to slow down without any cause.
– Pop-up ads display continuously on the desktop.
– Detect strange applications and software that you do not install.
2. How to remove viruses, malware on Mac
Here are some ways to remove viruses, malware (malware) on Mac:
Method 1: Delete the browser extension
One of the most common types of malware is distributed as a browser extension. Refer to the steps below to remove unwanted browser extensions and remove viruses and malware on your Mac.
On the Safari browser:
Step 1: Open the Safari browser.
Step 2: Click on the Safari menu on the menu bar, select Preferences.
Step 3: Click here Extensions tab, on the screen will display a list of the extensions installed on the Safari browser. Find suspicious extensions, click Uninstall to remove the extension.
Step 4: Follow the same steps to delete all suspicious extensions.
On Chrome browser:
Step 1: Open the Chrome browser on your Mac.
Step 2: Click the Chrome menu, select Preferences.
Step 3:Click the 3-dot icon in the top right corner of the browser window.
Step 4: Hover More Tools (other tools), select Extensions (extension) from the menu. Find suspicious extensions, then click Remove to delete the extension.
Step 1: Open the Firefox browser.
Step 2: Click here Tools on the menu bar.
Step 3: Choose Extensions (extension) in the left pane of the window.
Step 4: Check out the extensions and click Remove to delete suspicious extensions.
Method 2: Uninstall the application
Viruses, malware can disguise in many forms, different software, even camouflage in the form of security software.
If you accidentally download and install software or applications that are disguised by viruses or malware, you need to uninstall that application and software immediately. Follow the steps below:
Step 1: Access the directory Applications, find, then drag and drop the app into the Trash.
Step 2: Access the directory -/Thư viện, Find the directory Application support, here find the files related to the application, then drag and drop these files into the Trash (trash).
Step 3: Search in other directories within the directory -/Thư viện, especially the directory Launch Agents and Launch Daemons, and delete all files related to that application.
However, this step needs to be done with care, otherwise it will mistakenly delete files of valid applications, which can cause some system errors.
Step 4: Repeat steps 3 in the Library folder on Mac.
Other ways to uninstall apps on Mac:
Step 1: Download CleanMyMac X to your computer and install it.
Download CleanMyMac for Mac Download and install here.
Step 2: On the application window, click Uninstaller.
Step 3: Check the box next to the application name.
Step 4: Click here Uninstall.
CleanMyMac will erase all traces of the application, including the files that you missed when manually uninstalling the application.
Method 3: Use tools, anti-virus software, malware
Although the above methods work well, but in some cases we have to rely on applications, specialized software to scan and remove viruses, malware on the Mac.
On the market today there are many applications, anti-virus software for free, but not all antivirus software is effective. Even some of this software is the “residence” of viruses and malware. Taimienphi.vn recommends you to use CleanMyMac X to scan and remove virus root on Mac.
The software can identify thousands of malware threats, including adware, adware, ransomware, worms and even cryptocurrency mining tools. When it detects something suspicious, CleanMyMac will remove it immediately.
Follow the steps below to scan the system with CleanMyMac X:
Step 1: Download CleanMyMac X to your computer and install it, then launch the application.
Step 2: Click here Malware Removal tab.
Step 3: Click here Scan to start system scan.
Step 4:Click here Remove to remove viruses, malware.
Method 4: If the above methods are not available
If you have applied everything but were unable to remove viruses and malware on your Mac, the next solution is to restore the device from Time Machine backup.
The advantage of restoring from Time Machine backup is that we can easily boot into the recovery partition and choose the backup status before the Mac is infected with viruses and malware. The downside is that the settings, … that you make later, will be deleted.
If you want, you can manually copy the files from your Mac to another hard drive or cloud storage service before performing the restore, then copy them back. However, if one of these files is infected, the risk of viruses and malware being “present” on your Mac is very high.
Follow the steps below to restore from Time Machine backup:
Step 1: Make sure you are connected to the Time Machine backup drive.
Step 2: Restart your Mac, press and hold the key Command + R until the Apple logo is displayed. On the macOS Utilities window, select Restore from a Time Machine Backup, then click Tiếp tục.
Step 3: Select the latest backup before your Mac becomes infected with viruses or malware.
The Mac will now return to its previous state, operate properly and be stable.
In case you don’t have a Time Machine backup, the final solution is to reinstall macOS. Note this way will erase your settings, data.
If you have a backup of recent data, before your Mac became infected, you can use this data after your Mac reinstallation is complete. If not, Taimienphi.vn recommends backing up important files and data, but first use antivirus software and tools to scan and ensure the files are “safe”.
To perform a clean install of macOS, we need to create a USB Bootable drive, please refer to the article how to clean install macOS on Taimienphi.vn to know how to do it.
After you’ve created the USB Bootable drive, connect the USB drive to the Mac, then access System Preferences choose Startup Disk and select the USB drive you just plugged in on the Mac. Restart your Mac, press and hold the key Command + R And follow the steps below:
Step 1: On the macOS Utilities window, select Reinstall a new copy of macOS, then click Continue => Continue on the next window.
Step 2: Accept the terms and conditions, then select the internal hard drive on the Mac.
Step 3: Click here Install and wait for the Mac to reboot.
Step 4: At this point, the Mac will return to its original state.
Step 5: Proceed to set up Mac and copy files from backup, make sure they are not infected with viruses, malware.
The article above Taimienphi.vn has just taught you how to remove viruses, malware on Mac. If you have any questions or questions, you can leave your comments in the comments below. If you use Windows, download one of these antivirus software Professional to protect his equipment.