1. Immune (lisacintosh) Mac Os 11
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Macs don’t get viruses, right? Wrong, sadly. Your Mac may be safer from malware than the average Windows PC, thanks to its Unix core and Apple’s default security settings in the OS, but it’s not immune. All it takes is one thoughtless click on a link in an email or on a website, and your Mac could be infected.

The good news is that performing a Mac virus scan is very easy and if it finds anything, getting rid of the virus is very straightforward, too.

Sep 26, 2019 How macOS Protects Your Computer Your Mac has many built-in security features to keep it safe. The bedrock of macOS (formerly Mac OS X) is a rock-solid Unix foundation. This is the same operating system on which BSD and Linux were built, and it’s earned its reputation for reliability and security thanks to a robust permissions system.

How to check your Mac for a virus

There are a number of tell-tale signs that your Mac has a virus. If it’s not displaying any of those, there’s probably nothing to worry about. So, before you scan your Mac for a virus, here are a few things to check.

1. Historically, Mac fans have touted their platform as immune to the kinds of data attacks and other hostile intrusions that plague the Windows world. Apple itself even reassured its customers for years that Macs “don’t get viruses.” It even said so in a series of commercials that first aired in 2006.
2. Mac OS is considered the pioneer of GUI based operating systems, as it was launched when MS-DOS was the industry standard. Mac OS is a completely capable OS that provides functionality and services similar to Windows or Linux OS. Some of the code base and features of Lisa OS have been incorporated in Mac OS.

1. Is your Mac behaving erratically?

This could include applications crashing, web browsers loading pages you didn’t ask for, and unusually high traffic on your network.

2. Has it started running very slowly all of a sudden?

Some viruses run processes that hog CPU cycles and leave little capacity for the tasks you want to carry out.

3. Are you seeing adverts or pop-ups for things you would never normally see?

Adware viruses are designed specifically to show adverts in the hope that you’ll click on them.
4. Have you noticed software appear on your Mac that you didn’t deliberately install?

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Some viruses appear in the form of browser extensions, others run in the background, but some may appear as applications in your Applications folder. Before we'll explain how to scan Mac for malware, check these 5 tell-tale signs.

If any of the above are true, it’s possible that your Mac has a virus, but don’t panic, it may be relatively easy to remove.

How to run a malware scanner on Mac

So how to check for malware on Mac? There are several Mac virus scanners that allow you to scan your system. However, it’s very important that you don’t just google ‘free Mac antivirus software.’ Many sites that claim to offer free antivirus tools in fact host viruses themselves. So, you go to the site looking for a solution and end up making the problem worse. It’s important to use a reputable tool. We recommend using CleanMyMac X.

CleanMyMac X detects thousands of malware threats, including adware, spyware, worms, ransomware, cryptocurrency miners, and if it finds something suspicious, it offers immediate removal. Here’s how to scan your Mac for malware:

1. Download CleanMyMac X (free edition here) and launch the app.
2. Click on the Malware Removal tab.
3. Click Scan.
4. Click Remove.

Malware Monitor is another thing I love about CleanMyMac X. And this Mac malware scanner works in real-time. Whenever an adware attempts to enter some protected areas on your Mac, you’ll get instantly notified.

How to get rid of suspicious apps

If you find an application that you didn’t intend to install, you should get rid of it. But don’t just drag it from your Applications folder to the Trash, that won’t remove every trace of it from your Mac. Applications store files in a number of different places in your Mac’s Library folders. You could hunt them down and remove them manually, but it’s quicker and easier to use a dedicated uninstaller like CleanMyMac X. That way, you can be sure you will remove every trace of the application and no stray files will be left behind.

1. Download CleanMyMac for free here.
2. Launch it from your Applications folder.
3. In the Utilities section, click on Uninstaller.
4. Look through the list of applications until you see the one you want to get rid of.
5. Check the box next to it.
6. Press the Uninstall button.

How to prevent your Mac from getting a virus

Scanning Mac for malware is one thing. But prevention is always better than cure. So, if you want to make sure that every virus scan returns a clean bill of health, here’s what to do.

1. Never click a link in an email unless you’re 100% sure where the email has come from and where the link will take you. Reputable companies and banks won’t ask you to click a link to log into an account, for example.
2. Never download anything unless you’re certain what it is. That includes movie files, software updates, games, and anything else you’re not absolutely certain about.
3. Keep your Mac updated with the latest version of macOS. That doesn’t mean you have to be running the very latest OS, but if you’re running, say, Sierra, make sure you install the latest updates when they become available.

Scanning your Mac for threats is very easy. To check Mac for malware, you can download the free version of CleanMyMac X which is an Apple notarized app. With its help, you get rid of any applications you didn’t intend to download and scan your whole system for malware very quick and easy. Give it a go.

There has been a long-standing rumour that Macs are immune to viruses and now, someone has proven Macs can be infected. The word is out in CNET’s article: “Apple users beware: First live ransomware targeting Macs found ‘in the wild”. What does this mean for Apple users? Has something changed within the Mac OS X and do they need to do anything different?

The rumours

To answer these questions, let’s start by exploring the rumour that Macs are immune. This rumour has been around for a long time. I believe it was five years ago when my father told me that a salesperson at a large retailer told him this ‘fact’. At that time, I knew it wasn’t exactly true and I did a little digging as into why and now I am re-exploring the same issue. Five years ago, How-To Geek published an article on why Macs may not be immune to viruses. In this article they site three possible reasons why the Mac OS X is less-prone to viruses:

1. Market share – In 2011, Windows users greatly outnumbered Mac users as illustrated in this very interesting chart from How-to Geek.

2. Time and effort – Being there were more PCs on the market in 2011, more was known about them and less research was needed by an attacker. “Security by minority” according to How-To Geek.

3. Short list of viruses – in this article, they state in 2008, there were less than 200 pieces of malware targeting Apple. I will note that their source for this information is no longer available, so take this number with a grain of salt.

Let’s skip ahead to more recent findings on the topic. According to an article by Venture Beat in September of 2015, the operating system market share for personal computers still belongs to Windows. In other words, the term “security by minority” still holds true.

According to an article by Digital Trends in May of 2015, another reason for Macs being targeted by malware is the profitability. This goes hand-in-hand with time and effort from above. There is still more known about Windows and it is easier to write malware to target Windows.

Ransomware attack

As we have seen from recent news, number three above may not hold true for long. The list of viruses targeting Macs is starting to grow. One such virus is a type called ransomware. If you are unfamiliar with what ransomware does, it infects your computer and locks all of your files. It will then send you to a screen stating that if you want to access your computer again, you will need to pay a certain amount of money to do so. They also typically give you a quick deadline (before they erase your files) to respond by in order to increase the pressure to pay. It is hard to trace as they will use currency like bitcoins to collect the ransom. If infected, there is not much you can do. There are sites now combating the ransomware virus which publish a list of codes which have been given to unlock files that are held hostage. If one of the published ones works, you are in luck, if not, you might have to pay or forgo your files.

Why Macs and why now?

It was always a question of “when” and not “if” when it came to Macs becoming a target by viruses. Tech professionals have been saying for years that they knew it was possible, but it was a matter of when someone of a questionable nature was going to invest their time and resources to execute it. Basically, someone took on the challenge of creating a ransomware that will work on the Mac OS X and succeeded. Nothing has changed within the OS and it is nothing that Apple did. So what does this mean going forward?

Safety tips

If you own a Mac and are concerned, there are some tips (adapted from Dan Kusnetzky at Virtualization Review) to help keep your data safe.

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Awareness

Understand that you are vulnerable. You are already part of the way to making your Mac safe by reading this article. You have now read that there is a possibility that your Mac could become infected with a virus and you need to act upon this awareness.

Anti-virus software

Own it and keep it updated. It’s not 100 per cent protection, but it will keep a lot of the pesky viruses at bay.

Proceed with caution

Watch the sites you visit and files you open. Sites that offer freeware or free games have a potential to have something nasty hanging onto that programme. Only visit sites you know to be safe and do not download anything that you don’t know is 100 per cent safe. I know this is sometimes difficult as you are surfing to gain knowledge on something and are following a never-ending list of links or are on social media and something piques your interest. Social media is kind of nice as you can check comments to make sure others have had success accessing the site without issue. As for files you have emailed to you, make sure it is legit. If there are any extensions or strange characters in the name of the file, do not open.

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Is Apple any less-safe than they were before? Not really. They have always been at risk, it’s just that someone has recently targeted them. Apple is still low as far as the number of viruses out there written for Mac OS X. The big issue is that if you think you are invincible, someone will challenge you on it.

SBS

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If you would like to know more on how to protect your systems from ransomware and other viruses and hacks, please give me a call on 0161 827 1600 or visit us at www.sbs-networks.co.uk.