The first signs that your Mac is infected with Malware is when it works more or less slowly or there are abnormal advertisements displayed on the web browser but do not need to worry too much, below Taimienphi.vn will guide lead you some ways to remove on Mac.
Although breaking into and breaking the security layer of Mac is not easy, but does not mean impossible. If unfortunately the user must install Malware (malware) without their knowledge, which means threats are lurking on user devices.
Instructions on how to remove Malware on Mac
How to remove Malware on Mac
Once the malware attacks and illegally invades the Mac, it will start displaying a series of ads on browsers like Safari, Firefox and Chrome, adding a bunch of pointless files to the Library folder. The device starts to slow down.
The person who takes control does nothing more than slow down the Mac, run programs that do not have Admin rights, … Here are some ways to remove Malware on Mac
Method 1: Update the system software
This is the first step to troubleshooting Mac problems. This may be due to the fact that the user has not installed security updates or software updates that result in an attacker being able to collect user data.
Step 1: Click on the icon Apple menu at the top of the screen.
Step 2: Choose App Store to open the Mac App Store.
Step 3: Click here Updates tab in the top corner of the Mac App Store window.
Step 4: Install all relevant updates (you will have to enter your Apple ID and Mac password).
If the device is running macOS Sierra, you can skip this step by activating Automatic Install in System Preferences, will automatically download the latest updates available on the background.
Step 1: Open Mac App Store, click App Store in the top left corner of the menu.
Step 2: Click here Preferences.
Step 3: Section Automatically check for updates, tick the following options:
– Download newly available updates in the background
– Install app updates
– Install macOS updates
– Install system data files and security updates
Method 2: Check and fix hard drive errors
If a software update is not available, try the next solution, which is to check your hard drive. With Apple’s Internet Recovery partition, the hard drive error repair process becomes simpler than ever.
Step 1: Restart the Mac.
Step 2: During the reboot process, press and hold the key combination Command + R.
Step 3: After booting is complete, you will see Internet Recovery Partition on the screen. Here you choose Disk Utility.
Step 4: Click here Tiếp tục.
Step 5: On Disk Utility, click the button First Aid.
Step 6: Click here Run to execute.
Your Mac will run a hard drive test to determine if anything is wrong. If so, it will automatically correct those errors. You can also Repair hard drive with fsck on macOS Pretty convenient and fast.
Method 3: Reset NVRAM / PRAM and SMC
If you apply the two methods above, update the application and repair the hard drive but fail, sometimes the cache removal solution will help the Mac run smoother. To reset NVRAM (or PRAM on an older Mac), restart the Mac, then press and hold the key combination Command + Option + P + R at least 20 seconds.
After the NVRAM has been reset, you will be prompted to configure some system settings (such as sound and time zone) stored in that cache. The process of resetting the SMC is a bit more complicated, Apple recommends that users only apply this solution to solve problems and problems after applying all solutions but without success.
If you are using a laptop:
Step 1: Turn off the Mac and plug in the power cord.
Step 2: Restart your Mac by pressing the button simultaneously power button with keystrokes Shift + Control + Option.
Step 3: Release the keys, then press power button to restart your computer.
If using a computer:
Step 1: Turn off the Mac.
Step 2: Unplug the power cord and wait about 20 seconds.
Step 3: Plug in the Mac power cord again and wait about 5 – 10 seconds.
Step 4: Restart the Mac by pressing power button.
Partition the drive (or delete)
After applying all the solutions but without success, it is likely that the hard drive has become corrupted. The final solution is to make the drive partition or delete that partition.
- To partition a drive, require that your drive has enough free space, at least 30GB. If you don’t have enough free space, you can back up your failed drive to a USB drive.
Steps to create a partition on Mac:
Step 1: Open Finder on the dock.
Step 2: Choose Applications.
Step 3: Scroll down to find and open the folder Utilities.
Step 4: Double click to open Disk Utility.
Step 5: Select your hard drive on the Disk Utility window. It is usually the first drive listed, and is often named Fusion or Macintosh HD.
Step 6: Click here Partition tab.
Step 7: Click the sign button (+).
Step 8: Resize partitions as you wish by dragging the sliders. Empty space used is highlighted in blue.
Step 9: Name the new partition.
Step 10: Click here Apply.
Disk Utility will check the drive and make changes, which may take a few minutes. Once done, close the Disk Utility window and return to the main Internet Recovery menu.
Step 1: Click here Reinstall macOS.
Step 2: Click here Tiếp tục.
Step 3: Click here Agree to agree to Apple’s terms.
Step 4: Choose hard drive New Mac do the drive you want to install macOS.
Step 5: Click here Install.
Step 6: Mac will download a copy of the new operating system on the App Store and install. The process is fast or slow depending on the Internet connection speed on the Mac, it may take about 1 hour or longer if the network connection is slow.
Step 7: The Mac will automatically reboot into the new partition after the software is downloaded, then continue to install the operating system.
After completing the process of setting up the new hard drive, the next step is to move your files. The old hard drive partition will appear next to the current active partition, just like an external drive so you can get any file from there.
Step 1: Open the window Finder.
Step 2: In the section Devices In the sidebar, find the drive Macintosh HD old.
Step 3: Copy any files you want from your old hard drive to your new computer.
- If you want to copy apps, the best advice is to get them from the Mac App Store or other app websites. After downloading the app, just follow the instructions to install it.
It is recommended to store the old hard drive partitions for at least a few months, then you can delete these old partitions to use new partitions and free up space on your device.
Above Taimienphi.vn just showed you how to remove malware on Mac. By installing safe and reliable antivirus software, and downloading and installing application software only from trusted sites, Protect your computer from Malware Please. Good luck !