How To Check For Virus On Mac? [Ultimate Guide]

If your Mac device fails to function and there is a remarkable change in its workability, then there is a possibility that the device is infected by virus or malware. Mac viruses may come in several forms. Thus, it becomes highly difficult to identify the actual cause.

However, if you suspect that the device is infected by some viruses or malware, then you can run a virus scan on your device. Otherwise, this guide can help you on how to check for virus on Mac

This article can help you by providing a details idea on how to recognize the symptoms of a virus infection on the Mac. So, let’s begin. 

2 Signs: The macOS Infected with a Virus

If you download any software from any unprotected sources, then there is a chance that your Mac device will be infected by a virus. 

Is your Mac device infected by a virus? Let’s have a look at the signs discussed below: 

Pop-ups and Unexpected Ads: 

Adware is a big problem for macOS. If you are viewing too many random ads, then it may happen that you have installed some adware that you shouldn’t. 

At this juncture, you may also face ads even when you are not browsing the internet. 

The Device is Slow-down without Any Reason: 

If the macOS is infected by virus or malware, then it may happen that it uses all the system resources. 

The Mac device may constantly get slow and its performance may degrade, even if there are no programs running in the background.

How to Verify the Presence of Virus on Mac? 

There are a few in-built antimalware programs that come along with macOS through which you can check for viruses or malware on your Mac device. 

XProtect, Gatekeeper, Sandboxing etc are some in-built anti-malware tools that come along with Mac. These tools have the ability to scan the system automatically. But, you can’t do it manually just check whether the tools are enabled or not. 

Hence, if you see that the above tools are enabled and still they are unable to scan the Mac device for the virus, then you can also use other anti-malware tools from the internet. 

There are so many security applications available on the internet. They have the ability to scan the macOS for viruses or malware. You can download it from the internet and install that by following the on-screen prompts. Afterward, open that tool and check for virus or malware on your Mac device.  


In this guide, we have discussed some essential points. This can help you to detect the presence of a virus or malware on the Mac device. If you have any doubts feel free to share that through the comment box.

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Nathaniel Villa
Nathaniel Villa
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