How to Detect and Remove a Mac Virus
THREAT REMOVAL

How to Detect and Remove a MAC Virus

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SCAN YOUR MAC
with Combo Cleaner

Scan Your System for Malicious Files
Note! Your system might be affected by Mac Viruses and other threats
Threats such as Mac Viruses may be persistent. They tend to re-appear if not fully deleted. A malware removal tool like Combo Cleaner will help you to remove malicious programs, saving you the time and the struggle of tracking down numerous malicious files.
Combo Cleaner’s scanner is free but the paid version is needed to remove the malware threats. Read Combo Cleaner’s EULA and Privacy Policy.

This blog post has been made in order to best provide you with assistance on how you can detect viruses for your Mac and how you can make sure to get rid of any malware that may currently reside in it so that you can secure it.

Mac Viruses have seen a spike in 2018 and they have started to diversity in types as well, driving the need in the average user to be well-prepared in detecting them and spotting them. As a security blog which cares about protection, we have decided to provide you with free instructions on how you can be well prepared to detect and remove any Mac virus that may be currently residing on your Mac. Since the viruses are from different types, we recommend that you do a decent backup on your Mac before proceeding with any detection and removal.

What Could Be the Symptoms that Your Mac is Infected

Usually the symptoms of infection with malware vary, based on the type of virus that has infected your Mac. The general malware for Mac that has been detected so far is usually:

  • Rogue Antivirus programs.
  • Mac adware and hijacker viruses.
  • Trojan horses and other spyware.
  • Ransomware and screen-lockers for Mac.
  • Cryptocurrency miner viruses.

The viruses that have been detected usually spread via different methods, the most often used of which are the following:

  • Malicious e-mail attachments.
  • Malicious documents, containing Macros.
  • Malicious files, disguised as portable programs, installers, key generators or any other software uploaded on websites with low reputation.
  • Malicious web links that either lead to a direct JavaScript infection or a drive-by download infection.
  • Infection as a result of another infected device on the network (worms).

Based on these infection methods and the virus types, there are several very important symptoms that you must be aware of in order to understand if you should be concerned of malware being present on your Mac:

Symptom #1: Poor Performance

One of the main symptoms of a Mac having a virus is the performance issues that it experiences. Usually some Macs tend to slow down when a lot of programs are opened all at once or if their memory is full. But if your Mac is generally freed up of space and is still lagging this may be a sign of a type of malware that is utilizing the resources of your CPU, so identifying the source of the CPU usage is the key to removing the malware related to this.

Symptom #2: Toolbars or Add-ons on Your Browser that You Did Not Remember Adding

If you see a new browser extension or toolbar, be advised that it may have been added by a so-called PUP (potentially unwanted program) that may currently be residing on your Mac. Here is how to remove browser extensions and toolbars manually for different web browsers:

2. Remove Extensions and Toolbars from Your Browser

Note! Your computer system may be affected by Mac Viruses and other threats.
Scan Your MAC with Combo Cleaner
Combo Cleaner is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as Mac Viruses.
Keep in mind, that Combo Cleaner needs to purchased to remove the malware threats. Click on the corresponding links to check Combo Cleaner’s EULA and Privacy Policy.

Symptom #3: Ad-supported Search results, pop-ups and Redirects

This type of symptoms are usually characterized with having a very aggressive browser hijacker that takes over the spaces of your search engine by replacing them with sites that lead to some site you have not even seen before. These types of fake search engines are cleverly disguised to appear like the original search engines (Google, Bing, Yahoo search, Ask, etc.) and they often lead to harmful, scamming and even phishing websites.

Another symptom of having such a hijacker is the browser redirects on your Mac. These types of redirects often appear uncalled for and random while you are browsing your favorite site. They often lead to harmful pages as well and may even lead to tech support scam sites, the aim to deceive you that your Mac is infected:

Such sites often aim to get you to either download a suspicious program that is like a fake antivirus software or call a tech support number, which leads you directly to the scammers themselves.

To make sure to remove these, you should clear up your web browser out of absolutely any cache and also perform any removal of browser extensions as mentioned in the step above. Our video below for removing browser extensions and clearing cache on different web browsers can help you deal with these issues, even though it was made for the same browsers in Windows:

Symptom #4: A Hoax Antivirus for Mac

Sometimes, when mac users Google a random fix for the problems on their macs, they often end up downloading programs that only pretend to fix Mac Issues. We at SensorsTechForum have started only recently to gather more information concerning such programs and so far the main ones that are downloaded by victims according to our research are the following:

These types of fake optimizing programs and fake antivirus programs usually aim to get victims to pay their licensed versions in order for them to fix any issues that they have detected. The bad news here is that not only they run aggressive start-up scans that always tend to detect issues, but most of the issues detected by these fake programs are often issues that do not even exist and are completely made up.

OFFER

SCAN YOUR MAC
with Combo Cleaner

Scan Your System for Malicious Files
Note! Your system might be affected by Mac Viruses and other threats
Threats such as Mac Viruses may be persistent. They tend to re-appear if not fully deleted. A malware removal tool like Combo Cleaner will help you to remove malicious programs, saving you the time and the struggle of tracking down numerous malicious files.
Combo Cleaner’s scanner is free but the paid version is needed to remove the malware threats. Read Combo Cleaner’s EULA and Privacy Policy.

Symptom #5: Suspicious processes running as administrator.

This symptom is likely the most dangerous one, because having it on your Mac means that it may be affecred by absolutely anything, ranging from an adware program to a Trojan or a Spyware directly residing on your Mac. Usually these processes tend to be ran with administrative privileges and they are very invasive. The outcome of this in the worst case is the following:

  • Your files may be stolen from your Mac.
  • The malware may have access to your Apple ID and passwords.
  • Your social media and other accounts may be hijacked.
  • Some viruses can activate your Microphone and camera to monitor your activity.
  • Your Mac may become crippled by a rootkit or other destructive malware that may attack your drive.

In some cases, some Macs even become infected with screenlockers, asking the user to type in a password, like the Padlock virus we have seen loose earlier this year:

How to Remove Malware, Adware, Hijackers and PUPs from Your Mac and Fix It

Before beginning any sort of removal process, you should do one very important step – BACKUP YOUR FILES. If you have malware on your Mac, no one knows how long until it wrecks it completely and eliminates all your files in the process as well, so it’s best to stay safe.

Removal Step #1: Securing Your Mac Accounts

If you have had your Mac affected, follow the following steps towards securing your Mac.

1 – Disconnect from the web and try to stay offline when possible until the issue is resolved.
2 – Do not type any passwords on your Mac, because malware may be logging your keystrokes to obtain passwords.

Removal Step #2: Stopping the Virus and Removing It

If your Mac is infected and you have located the source of the infection, make sure to first stop it and then remove it by following the steps below:

1 – Open Activity Monitor and then locate the virus process. When you locate it, click on it’s name and then quit it by tapping CMD+Q.
2 – Remove the app from the Utilities folder of the Applications list. Over there, you can use the search box to type in the same app’s name. When you find it, the app may still be running so select it and then click the X icon on top left of it. Then select Force Quit.
3 – Uninstall the program, if it is added on your Applications by following the mini-steps in dark-gray below:

To remove Mac Viruses follow these steps:

1.Remove Mac Viruses from your Mac

Remove Mac Viruses from your Mac

Important! Most virus authors make sure to hide their code to mask it as a legitimate app, making manual removal difficult. This is why you should scan your Mac for any files that might reactivate infection or objects you have missed, using a reputable malware removal tool, as most experts recommend is the most effective way to automatically remove threats.
Scan Your MAC with Combo Cleaner
Combo Cleaner is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as Mac Viruses.
Keep in mind, that Combo Cleaner needs to purchased to remove the malware threats. Click on the corresponding links to check Combo Cleaner’s EULA and Privacy Policy.

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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