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1. Comprehensive fansite about Avast Antivirus 2018 – the World's most popular antivirus. Useful tips & tricks, latest news, free downloads, license keys, activation codes, support, comparison reviews, and much more.
2. Select a path to a file or a folder to exclude it and click Choose to confirm. View previous scan reports. Open Avast Security and select Reports from the left panel. Click the arrow next to one of the following options to expand the section: Virus Scan Reports: displays results of Full System Scan, Removable Volumes Scan or Custom Scan.

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Hi, First you have to understand avast is just only an antivirus program and not a file scanner or a password encryption tool. The antivirus programs will first make use of the index of a file.

Macs may be a far less tempting target for malware and viruses, but they’re not immune from attack. Even if you don’t care about adware or being used as a means to infect users on other platforms, it’s still possible to fall victim to ransomware, password theft, or stolen iPhone backups.

Accordingly, good antivirus software will protect your Mac on all of these fronts. It’ll catch malware that’s still spreading or in circulation; block ransomware; protect older systems with out-of-date software from security vulnerabilities; prevent your Mac from acting as a carrier for malware aimed at other operating systems; and keep infected files off of any virtual machines you’re running.

Antivirus for Mac cheat sheet

Our quick-hit recommendations:

• Best paid antivirus for Mac:Sophos Home Premium for Mac[sophos.com]
• Best free antivirus for Mac:Avast Free Mac Security[avast.com]

Many antivirus suites provide a decent level of protection, but a few rise above all others by providing the very best in performance. Our top contenders dominate by posting perfect (or virtually near perfect) scores from security research labs, passing our own malware detection tests with flying colors, offering well-designed interfaces, and even throwing in extra features like a firewall or password manager.

Updated 08/15/19: Added our review of Avira Free Antivirus, a worthy free option that’s easy to use and effective.

Looking for Windows antivirus recommendations? You can read about the best antivirus suites for PC on our sister site, PCWorld.

Best overall antivirus software

Sophos Home Premium has the most extensive and up-to-date approach to fighting malware at an unbeatable price.

Sophos Home Premium has it all: Effective malware protection, ransomware monitoring, protection against potentially-unwanted-apps, and additional features that often require separately licensed software. Its cloud-based configuration and generous licensing (up to 10 Macs and PCs) also make it easy to shield friends and family from threats, no matter where they live. (Full details available in our review.)

Best free antivirus software

Though Sophos does offer a good free version of its software, Avast Free Mac Security edges it out as the best free antivirus software for macOS. In security lab tests, Avast detected 99.9 percent of macOS malware, and 100 percent of Windows malware. However, if you want more advanced protection (like ransomware detection), you’ll need to upgrade to paid software.

What to look for in antivirus software

By our reckoning, antivirus software should be able to neutralize a threat before it can begin wreaking havoc. That means preventing the download, installation, or execution of malicious software.

Since you can encounter threats by visiting compromised or malicious websites, receiving virus-laden attachments, or accessing USB drives with malware, good AV software should scan on a continuous basis unless you configure it otherwise. And ideally, files identified as malicious should be quarantined into a special storage area managed by the AV software, with the option to automatically delete files known to be malware or repair normal documents that also carry devious payloads.

Great AV suites also will monitor the filesystem for certain kinds of changes. Ransomware—which is malware that will rapidly encrypt user files like documents and mailboxes and then delete the originals—has become a huge moneymaker on other platforms. As a prime opportunity for attackers, it’s the greatest danger Mac users likely face as a category.

Detecting this pattern and halting it before any files are unavailable should be possible without an anti-malware system knowing the specific innards of a ransomware virus. Sophos, our top pick, includes this feature in the Home Premium version of its 2018 update. Other vendors, like Avast and Trend Micro Antivirus, offer an alternative feature that allows you to whitelist programs allowed to manipulate files in specific directories. So if this particular type of attack becomes rapidly popular, you’ll be protected.

Good antivirus software should also use minimal computational resources. That’s especially the case these days—AV monitoring hasn’t become much more complicated than when it first became available, and faster, multi-core CPUs can easily handle the demands of running AV software in the background without disturbing your active work.

Beyond these primary features, an easy-to-navigate interface and extra features are worth factoring into your decision. Some AV software are full-fledged suites that offer additional options like backup service for essential files, a password manager, parental controls, anti-tracking and privacy modes or options, a more advanced firewall, and the blocking of Potentially Unwanted Applications (PUAs).

How we test

Each software package is evaluated creating a clean installation of macOS Mojave, cloning it for each AV product, and then booting separately into each one to install a different package. This was to ensure that previous app installations didn’t interfere with new ones—sometimes AV software treats other AV software as an infection.

In addition to visiting malicious websites, downloading known malicious software, and even running said malware, we also reference the most recent reports from two labs that regularly cover macOS malware: AV Comparatives and AV-TEST. These laboratories test AV software against sets of known malware as well as products that are grouped as potentially unwanted applications (like adware).

The latter doesn’t damage or expose your computer or its files but may consume power and CPU cycles. Because the testing effectively looks at a combination of virus databases and behavior, they remain good gauges even after many months. When an antivirus software package lacks a rating from a known security research lab, we do more extensive testing with real malware.

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Finally, while we gave props for a lot of different features and behaviors, we marked products down if they lacked any or all of the following:

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• A nearly perfect score on macOS malware detection
• Ransomware monitoring
• Native browser plug-in or system-level Web proxy
• A high score on Windows malware detection

Privacy concerns

Using an anti-virus product, especially any that includes tools to also improve your online privacy, may lull you into believing you’re safe from personal and private information leaking out. That’s not quite the case. While there’s no reason to panic, you should consider a few reasonable issues.

First, an antivirus product may upload the complete text of files flagged to the cloud, where it can be analyzed by separate tools hosted there. This practice is normal and sensible: Some malware can detect when a running process may examine it, and will then engage in subterfuge. Antivirus software makers also can access their massive databases to examine files with characteristics that trigger their algorithms—certain elements that match known malware. As a result, security researchers discover new viruses, worms, Trojans horses, and the like.

However, helping the greater good means you’ll have to be comfortable with trusting a third-party with your file contents. Where appropriate, we noted privacy policy issues in individual reviews.

Second, this software may also rely partly or entirely on cloud-based checks of URLs, malware, and the like. Accordingly, an AV package might upload every URL you visit, metadata about files, signatures of files, information about your computer’s hardware, a list of running or installed applications, and more. Companies vary on their disclosure of such policies, and may not let you opt out of this kind of sharing. We note issues in each review as available.

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Third, anti-virus software makers also get a sense of what behavior is happening on your computer that’s being monitored or blocked, and may use that information for their own purposes. In some cases, you can opt out of this information gathering.

All of our antivirus for Mac reviews

If you have specific requirements or just wish to see other options, below is a list of all the antivirus software we’ve reviewed. We’ll keep evaluating new and refreshed software on a regular basis, so be sure to come back to see what else we’ve put through the ringer.

Today's best Avast Free Mac Security deals

Avast Free Mac Security doesn't break a lot of new ground. As is the case with most free software, it does an OK job and — like popular free-to-play games — aims to pull money from your pockets after it's installed.

The one major perk of Avast Free Mac Security is that it can identify attacks in your email inbox, a feature that we'd like to see in all Mac antivirus services. At the end of the day, though, Avast's Mac malware protection rate isn't quite as good as its competitors', which is the most important part of antivirus software.

Avast Free Mac Security costs and what's covered

Avast Free Mac Security is free. It supports Macs running any version of macOS, as long as they have 128MB of RAM and 750MB of available disk space.

Antivirus protection

Avast Free Mac Security keeps Macs free of malware using traditional signature-based detection by unpacking Mac-specific file formats and scanning them for malicious content. It also uses its artificial-intelligence system to apply lessons from its user base to train its software.

Avast also thwarts PC malware on Mac, to prevent it from spreading on networks, and scans unopened ZIP files. It performs system protection scanning in the background, permits both on-demand and scheduled scans, and can scan your router to protect you against DNS hijacking and other threats.

Antivirus detection

Avast Free Mac Security's on-demand malware-scanning engine has a mixed record in recent lab tests. It stopped 100% of malware in tests conducted by Austrian lab AV-Comparatives in July 2018 and June 2019.

Results from German lab AV-Test were less consistent: 100% of Mac malware was detected by Avast in June 2018 and June 2019, but Avast caught only 96.3% of malware in December 2018.

That means Avast tied with Bitdefender Antivirus for Mac and Kaspersky Internet Security for Mac on the AV-Comparatives test (both hit 100%). However, it failed to match Bitdefender, Kaspersky and Norton 360 Deluxe on the AV-Test study, in which all three earned 100% scores.

Of all the Mac antivirus programs we tested, Avast Free Mac Security was the only one that flagged items already on our system as threats. Specifically, it found three email messages in my old, inactive, Outlook database that contained links to phishing websites.

Security and privacy features

Avast Free Mac Security includes Avast's Online Security browser extension, which automatically installs itself in Chrome unless you opt out, while Firefox provides a confirmation prompt to make sure you approve the extension. The Avast extension appears as a button that is green when you're safe and red if a site is potentially harmful. Similar flags will appear next to search results.

If you're wary of sites that monitor your actions, the Avast browser extension also displays a counter badge that tallies the number of activity trackers found in a website and provides an additional option to block social network-based tracking.

Not only does Avast scan activity on your hard drive and web browsers, but it also monitors POP3 and IMAP email clients, including Apple Mail, Thunderbird, Postbox and Airmail, and scans email attachments as well as email messages.

Avast monitors your computer and its network connections in the background, scans new files upon installation and lets you schedule scans. However, Avast Free Mac Security doesn't have any of the extra features offered by paid competitors, such as parental controls, a VPN service, firewalls or webcam blockers.

Performance and system impact

Avast Free Mac Security had a moderate impact on system performance, which we assessed by running our custom Excel VLOOKUP benchmark test, which matches 60,000 names and addresses on a spreadsheet. Our test machine wasa 2017 MacBook Air with a 1.8-GHz Intel Core i5 CPU and approximately 54GB of data stored on a 128GB SSD.

With Avast Free Mac Security installed on our MacBook, but without any active scans running, the VLOOKUP test finished in an average of 3 minutes and 38 seconds, 1 second longer than without any antivirus software installed. That's a passive system hit of less than 1%, and not something you would likely perceive.

MORE: Hackers Say They've Breached Three Antivirus Companies

Other antivirus products' passive system impacts ranged from 5% (Sophos Home Premium) to zero percent (Bitdefender). This is overall great news for Mac users: Most of the time, you'll never notice that you've got antivirus software running.

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You would be more likely to notice the slowdowns created by Avast's active scans. During full-system scans, the VLOOKUP test finished in an average of 4 minutes and 59 seconds, resulting in a big performance dip of 37 percent. That's not as bad as McAfee AntiVirus Plus' 47% fall (the worst offender), although it wasn't as good as Sophos' 7% full-scan system hit.

Avast's full-scan completion time, which took an hour and 11 minutes on average, was on the longer end of scores but was not the longest we found — Sophos' 2-hour-and-56-minute time was the longest. Malwarebytes for Mac Premium's full scan took a miraculous 16 seconds, while Bitdefender closed its full scan in 4:25. Kaspersky (41:20) and Norton (25:49) fell in the middle of the pack.

Interface

Avast Free Mac Security may not be the prettiest antivirus app, but it provides a number of functions and options. Its main window shows users a Protected status, as scans are enabled by default. All other features, including on-demand scans, are located in a menu bar on the left.

Avast's main window presents users with their status — Protected or otherwise — and a 'Run scan' button that pushes you to Avast Cleanup Pro. You'll be confused by this abrupt switch of apps if you weren't paying attention to the fine print, and you'll soon realize that Cleanup Pro is a paid product that looks to tidy up your hard drive and costs between $2.99 or $3.99 per month.

MORE: Best Free Antivirus Software

After you click that Run scan button once, it changes to an Upgrade button for Avast Security Pro, which features anti-ransomware protections and Wi-Fi and network scanning. To avoid further confusion, click on Scans in the left-hand menu, which opens that section as well as other sections of the app, such as Reports, Virus Chest, Shields and Preferences.

In Scan, you can select from a number of different types, such as scans of custom directories, scans of removable volumes and scans of your home network. Avast also includes scheduled scans, an increasingly rare option these days.

Clicking on New Scan presents a Start button for activating a Quick Scan and a Change Scan Type button to switch to a full-computer scan.

You'll find database updates and analyses of scans performed on your system in Avast's Reports. Avast places files it flags as malicious into the Virus Chest quarantine section, where you can delete or restore them (if you think Avast is mistaken).

Open the Shields section to see real-time analysis of scanned files. Annoyingly, if the file directory is especially long, Avast won't give you the full directory, so you can't go look up the offending file for yourself. You may not need to, but we'd prefer to have the option.

In the Preferences tab, you'll find options to change the frequency of notifications, system updates and scans. Here, you can also disable hard-drive, email and web protection, although Avast wisely makes you enter your system password first. Additionally, you can disable Avast's menu-bar icon from this window (it's under Miscellaneous).

If you create an account with Avast, you can check the status of any systems you've logged into in the Account tab as well as at my.avast.com. Avast's menu-bar button provides links to open the main interface window, see current activity and application information, and review previous notifications.

Installation and support

To install Avast Free Mac Security, you open Avast.com and click Download, which will place the installer DMG on your Mac. (Thankfully, you won't have to go through download.com anymore, an annoying part of the previous model.) After you click through the end-user-license agreements, the installer will download more files and install Avast.

No restart is required, and the whole process took about 2 minutes for me, which felt about normal. Avast! pro antivirus for mac key\. In the middle of the installation, you get the option to not install Avast's unlimited Password Manager and the company'sSecureLine VPN client. The Avast Online Security browser plug-in is free, but you get only a seven-day trial of SecureLine VPN service, which otherwise starts at $60 per year.

To get technical support, click Help in the menu bar, select Avast Technical Support and then select Contact Help to open Avast's Support site. Here, you can find a FAQ, ask for help in the forums and call a customer-support line that will provide free advice for installing, configuring, updating and removing Avast.

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MORE: How to Buy Antivirus Software

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If you need more help than that, Avast offers paid support starting at $79 for any call that isn't related to removing a virus or malware, or at $119 per call for virus-related calls. For more support, you can spend $199 for a year of unlimited service, or $10 per month plus a $99 setup fee.

Bottom line

Avast's email scanning gives it an edge over competing Mac antivirus products. It needs such an advantage when the rest of its package is such a mixed bag.

Not only does Avast's software continually push you to spend money on additional services (unlikely if you've already chosen to use free antivirus software), but its malware detection rates aren't great overall.

If you're going to pay, you should instead choose Bitdefender Antivirus for Mac, which gives you excellent protection and a low system impact for $40 a year. If

you'd rather not pay, then Avast is the best free option, but only because Sophos Home, which has a more full-featured free tier, has undetermined malware-protection abilities on Macs.