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how to get rid of malware on macComputer viruses hold a sweet spot between boring, everyday occurrences, dating back to the 70s, and dramatic, science fiction fueled monsters that will haunt us in our new information-driven world.
One may ask, “Do you need antivirus to protect your Mac?” The reality is, all computers, even Macs, are vulnerable to malware (short for malicious software). While Apple takes a lot of security precautions, how secure your Mac is depends on your knowledge of how to check for viruses and how to remove them.
Whether you want to know how to remove virus from MacBook Pro, MacBook Air, or iMac, learning to keep your information safe first is necessary and easy, with a few tips from the professionals.
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How to scan your Mac for a virus
Why checking your Mac for viruses is important? If a computer virus was the only thing to watch out for, this world would be a simpler place. Malware, adware, spyware, malicious files, worms, trojans, phishing software, you name it, you should check for it. The old way of thinking was that because there are more PCs than Macs in the world, the “virus people” would focus on them instead of Macs. But, we’re not in the 2000s anymore. In fact, in 2018, Apple moved to the fourth position in global laptop shipments. This means, Macs are no longer shiny white boxes that are meant for fun and entertainment.
Not only do we run our businesses off Apple devices and different versions of macOS but we also store family photographs, send out sensitive info — and, thanks to cloud computing, each device is synchronized. Unfortunately, this means your Mac could be a far juicier target than the PC sitting in some corner cubicle.
Know what a Mac virus is
Most of us are familiar with recognizing what a virus looks like thanks to its atrocious design and alarming vocabulary. However, not all viruses take the shock-and-scare approach to getting on your Mac. The latest adware could look like an Adobe Flash Player installer, but is, of course, fake. Not only does it trick you into thinking it's something as normal as Flash, but the installed adware then pretends to be a virus scanner. It shows you bogus problems and encourages you to fix them by giving over sensitive information.
Other forms of viruses could look like Microsoft Office files (e.g. Excel sheets, Word documents), Adobe Photoshop add-ons, as well as music and movie files that you get from BitTorrent or other file sharing programs. But the most common file format that a virus takes is a .dmg file, because it was created by Apple itself to help install good software on your computer. Your task in securing your Mac is to look out for .dmg files showing up when you’re trying to install something. If you’re ever trying to download something you know is supposed to be an image, music, movie, or document, but you get a .dmg file instead — that is as red as a red flag gets in terms of viruses. Do yourself a favor and delete that file immediately.
Keep Mac virus sources in mind
When it comes to having your Mac infected by a virus, we probably expect the attack to come from a stranger. Truth be told, a lot of viruses come from our friends, family, and colleagues, who unfortunately became the primary victim and are now unintentionally passing their viruses to you.
A popular malware virus of 2017 was embedded into a Word document — a Mac Word file, not a PC one. In 2018, Apple discovered flaws in their Intel processor chips that could lead to two kinds of very ambitious strains of Mac viruses too. It’s wild to think that even iPads and iPhones can contract malware.
How to check for malware
In an ideal world, scanning for viruses and the other methods for malware removal should be automatic and happen nearly continuously. In reality, you can consider yourself reasonably safe if you scan your Mac close to once a week. Fortunately, there are quite a few ways to make sure you are as protected as possible.
A good start to scan your Mac for viruses is to see whether you have applications installed that you don’t recognize:
Go to the Applications folder via Go > Applications in Finder or using the shortcut Shift + Command + A.
Scroll through the list and delete any unknown applications.
Then empty the trash.
How do you unblock an app on a mac. The second step you should do is check for browser hijackers and adware extensions:
Go to Safari > Preferences. See what the Homepage URL is currently set to and correct if needed.
Then proceed to the Extensions tab and uninstall any you don’t recognize, as they could spy on you, save your private data, and redirect you to their malicious websites.
How to run a Mac virus scanner and stop viruses from stealing your information
It’s a common misconception that viruses only happen to people who are gullible, ignorant, or technologically illiterate. The stigma is that hackers prey on people, when in reality, they prey on behavior.
Our basic assumption with Macs is that we expect Apple and our applications to have done all the security work for us. In truth, every user has to adjust their own behavior when using their Mac.
Do you use public WiFi? Consider getting a Virtual Private Network (VPN) to encrypt the connection between your laptop and the external network. Shimo is a great VPN manager app that will help you here. While using it, raw information (whether sensitive or not) can’t be fed to any malicious programs lurking on your Mac, and hackers on the same network won’t be able to decode anything you’re working on.
Speaking of encryption, Macs using OS X Lion or later come with the option to encrypt their hard drives using FileVault 2. Although encryption won’t prevent viruses from entering your computer (for that, you’ll need a scanner), it would still be very helpful in stopping viruses from stealing your information. To turn on FileVault:
Go to System Preferences
Select Security & Privacy
Navigate to the FileVault tab
Choose Turn On FileVault
Keep your Mac secure and virus-free
Trademark signs of something being wrong with your Mac: slow processing memory, a bloated disk space, intense CPU usage, and network speed lag. Unfortunately, viruses don’t live in an easy-to-find location like your computer’s desktop. They can be embedded within an application, most notably, your favorite web browser, where it’s easier for them to view what you’re viewing and track what you’re typing. If you kept on seeing weird websites taking over your search bar, it's a sign that your browser has been hijacked. Other applications can get corrupted or infected too, especially if they have particularly weak security systems. Another example could be an email app you use or an open-source application that is behind on their patch upgrades. Check out how to get rid of malware on mac.
If you think one of your applications is infected, a typical knee-jerk reaction would be to delete the whole thing and redownload it. Often, this will do the trick, but there are simpler solutions available. Clearing the application's cache should always be your first step, and, if there are optional hidden files, consider removing them as well.
Scan your Mac for viruses with CMM X
Run an instant malware scan to identify and remove suspicious files from your Mac. There’s no tool that can do it better than CleanMyMac X.
To remove any application’s cache and get rid of Mac malware from the Library folder:
Use the shortcut Shift + Command + G to Go to Folder
Type ~/Library/Caches and choose Go
Delete any particular files inside the folder
If you are unsure about deleting cache files manually, use an app like CleanMyMac X:
Launch CleanMyMac
Go to System Junk and click Scan
When the scan is complete, choose Review Details
Select User Cache Files and pick the caches you’d like to delete
Click Clean
In addition, CleanMyMac now features a Malware Removal function, using which should become your weekly habit.
In CleanMyMac, choose the Malware Removal tab
Click Scan
Follow the instructions given. Hopefully it should say your Mac is clean most of the time.
Unfortunately, not all viruses are easy-to-understand files that just sit on your computer. Sometimes they are root certificates that intercept your passwords and messages, and send a copy to hackers. To effectively secure yourself from this, only download apps with valid developer certificates. Which ones are those? It’s hard to know but Apple built a feature that could help you here.
Go to System Preferences
Select Security & Privacy
In the Allow apps downloaded from: select App Store and identified developers
You are well on your way to being protected from malware now. But, the truth is, simply avoiding viruses is not enough. You need to be proactive — it’s time to get a virus scanner.
Check viruses like a pro
If you want complete Mac security, there is no better tool than CleanMyMac X, which can effortlessly scan for all the latest viruses, malware, spyware, and more. Just launch the app on the regular basis and click the Smart Scan option to inspect your Mac for any suspicious activity, besides other suggested features for optimization and cleaning out old files.
Remove viruses from Mac completely
Using a tool like CleanMyMac makes getting rid of viruses, of all shapes and formats, very easy. After the scan, it tells you what it’s found and gives you the option to remove it completely right then and there. Additionally, it will give you all kinds of other great options on how to optimize your Mac’s performance.
As mentioned above, hackers who want to steal your information don’t target you specifically, they target your behavior. So, with this in mind, change your behavior when it comes to using your Mac in potentially unsafe ways. Recognize that viruses come and go, all the time, and across many different file formats. If you get a virus, you’re not ruined.
Arm your computer with encryption tools (like FileVault and a VPN), so that your information can’t be stolen. Practice a healthy dose of skepticism when downloading files. But, most importantly, get professional apps that bring you the most results, like CleanMyMac or Shimo — all of which are available on Setapp for your to try free. So get a scan now and see what it says.
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If you've ever used Windows extensively before, you remember how important it is to find and install a good antivirus to protect your data. Without one, your whole system is exposed to malicious scripts, keyloggers, worms, ransomware, adware, etc.
It's generally considered that Macs avoid this problem, since macOS is sandboxed - no script can make change to your root files without you giving it explicit permission in the form of your admin password. That's why it's crucial not to enter your admin password when requested by any process unless you know with absolute certainty where it comes from and what it's going to do.
But are Macs as protected as we think? And is there no good reason to get a Mac antivirus? Let's explore the path to finding the best virus protection for Mac and see how you can perform a Mac virus scan right now.
Why Do You Need Antivirus On Mac?
Macs have long been able to protect their key system files from intrusion by viruses directly using Gatekeeper. Recently, this protection became even more profound with mandatory app certification by Apple itself, which means that if the app hasn't been approved by Apple, it won't even launch on your Mac.
However, Mac malware has also made giant leaps forward, constantly evolving away from typical viruses to even more malicious adware, scareware, ransomware that steals your passwords or even iPhone backups, and much more.
Since bypassing Gatekeeper is not impossible, it’s good to have an extra layer of protection working for you just in case. But where do you start? Which Mac antivirus reviews can you trust? What’s the best free antivirus for Mac? Or do you have to pay for high-quality antivirus software for Mac?
Happy to report that we’ve done all the heavy lifting by comparing the best Mac antiviruses out there. Here are a few top options for you to choose from.
Best virus protection for Mac: Sophos
Sophos has been well-known as one of the leading security software companies for decades. While most of their products target corporate security for organizations with more than 100 people, they’ve recently revamped their Sophos Home antivirus for Mac lineup.
Sophos Home has free and premium plans that include real-time scanner, remote management, parental controls, protection on the web, and more. The premium yearly subscription adds ransomware and privacy protection for complete industrial-grade security wherever you go.
Best free Mac antivirus: Avast
If you’re looking for the best free antivirus for Mac, Avast presents a really tempting option. The company itself is a known player in the security software, machine learning, and AI space. In fact, it boasts the second largest market share among all antiviruses worldwide, blocking 66 million threats every day.
Free Mac Malware Removal
Avast for Mac is a free download and works on three fronts: as anti-malware security, a web and email shield, and a WiFi security scan. The web shield is an especially useful feature that helps you avoid unsafe downloads, get rid of dangerous email attachments, and prevent intrusive web tracking. A WiFi security scan, on the other hand, is a great way to ensure no one is snooping on your data at any time.
Best malware removal for Mac: Kaspersky
Kaspersky has been one of the most popular antivirus solutions for the past 20 years, ever since it has cemented its reputation as the most advanced virus detector and the only one that could beat the CIH virus at the time of its release.
Kaspersky Internet Security scans and removes all the latest cyber threats, filters phishing emails, prevents ransomware, defends your WiFi network, hides your credit card details, and deletes all the traces of your computer activity. In addition, Kaspersky includes extensive parental controls, with content filtering, time limits, and personal data monitoring for your kids.
Best use of system resources: Bitdefender
Bitdefender might not be a household name like Kaspersky or Sophos, but its antivirus speaks for itself with near-perfect lab test results and ultra-low impact on system performance.
Besides all the regular antivirus on Mac features, Bitdefender includes ransomware rollbacks — so you’re never held hostage for your data — a browser extension, adware blocking, and a VPN. The app interface itself is easy to use, but thanks to Autopilot and Bitdefender Shield, you don’t even really have to — Bitdefender does all the protection for you.
Best virus scanner for Mac: CleanMyMac X
It might seem that having active Mac virus scanning turned on is a good thing. After all, you want to make sure that no malware gets through the cracks. And that’s true. However, any virus scanner for Mac also represents a massive drain on your battery life and processing power. So if you don’t tend to install lots of third-party apps and visit malware-infected websites, performing Mac virus scans manually might be a better solution.
CleanMyMac X is the world’s leading optimization utility, providing a complete toolkit for you to care for your Mac. The app not only scans your hard drives for any known malware but also has specific features to maintain your privacy, delete old files, update your software, uninstall any program completely, speed up your system, and much more.
Protect your privacy with a VPN
When you finally pick your best Mac antivirus, you might think that your identity is now 100% protected, but that’s not the case. While no viruses will be able to attack you, your fingerprints can still be tracked online and used to collect data about you to sell to advertisers, etc. To prevent this from happening, you also need to use a VPN (virtual private network) that will direct your traffic through a third-party server and obscure your identity.
Shimo is one of the most flexible VPN clients out there. It works with OpenVPN, Cisco SSL, SSH, Nortel IPSec, and many others, and allows for multiple connections and protocols to be used simultaneously. You can also tweak Shimo to be triggered by specific network configuration and geographic location. What’s more, you’re protected with AES 256-bit encryption for all your browsing.
Secure your logins in a password manager
The last piece of your personal security puzzle is making sure all your credentials to various websites and apps are unique and stored in a safe place. That’s why you need a robust password manager.
Secrets is an intuitive but powerful password organizer that provides you with easy password generation, stores any personal details, and automatically fills out logins through its browser extensions. You can even take Secrets with you on the go since it seamlessly syncs with your mobile devices using iCloud.
As you can see, there’s lots to choose from when you’re looking for antivirus software for Mac. If you ask us, our recommendation for the best malware removal for Mac would be a straightforward CleanMyMac X scanner. But don’t forget to augment your best antivirus for Mac with a powerful VPN client like Shimo and a reliable password manager like Secrets.
Best Apple Mac Virus Software
Best of all, CleanMyMac X, Shimo, and Secrets are available to you absolutely free for seven days through a trial of Setapp, a platform with more than 190 outstanding Mac apps. Just browse the Setapp collection and try anything at no cost today to see what kind of apps you might be missing out on.
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