How to Remove Application.MAC.Keylogger from Mac

George Herman
George Herman
IT Security Expert

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What is Application.MAC.Keylogger

Application.MAC.Keylogger is an application, which belongs to the PUA (Potentially Unwanted Application) category. This malicious software will infect all existing browsers on your Mac and flood them with annoying ads, pop-ups and banners, which will interrupt your online activity, and make the browsers unresponsive to your actions. The thing is, you never know what dangers might lurk behind a seemingly harmless redirect. You may think you’re clicking on a reliable ad, but in reality, you may be rerouted to a potentially harmful page. PUAs put private data that you store or use online in jeopardy, and makes your browsing experience a living hell. That’s why you need to remove it as soon as you detect it on your Mac.

How it is distributed

As the name PUA suggests, unwanted programs are ones that were installed on the Mac without the user’s knowledge or consent. Often, such malicious software is able to invade via fake downloads or update messages. For example, while browsing you may stumble upon a message of a pop-up stating that you need to update your Flash Player. A download link will be provided, but there is no way of knowing if it will reroute you to a reliable source. That’s why we highly recommend you to rely on licensed sources only. Don’t follow a link shown by a random pop-up. It is better to approach the situation safely and go to the official page of the program in question, but after you’ve checked that there indeed is a need for an update. Other Application.MAC.Keylogger distribution methods include torrent files, freeware, email attachments, infected ads, and software bundles.

How it operates

PUAs are not advanced malicious software. They are not as destructive as a Trojan horse, or ransomware, but that does not mean you should undermine their existence and allow them to roam your computer freely. Application.MAC.Keylogger‘s main task is to display as many advertisements and other forms of sponsored content and trick the user into clicking on them. Doesn’t sound dangerous, does it? Well, unless you do click on them, you are safe. Kind of. Have you even wondered how some ads manage to be particularly aimed at your interests and things you search for online? Well, that’s because the parasite monitors which pages you visit the most, as well as collect data on your search queries. That’s how it can produce targeted content you’ll be most likely to engage with. For each click, revenue will be created through the pay-per-click scheme. The thing is, web data does not include only browser history. Things you keep or use online like passwords, Login credentials, credit card numbers, IP addresses, etc. may also get stolen by the parasite. On top of all that, the ads will continue to grow in number each day, making it difficult for the browser to keep up displaying them all. This will result in it being unable to respond to your actions, which is why you’ll see it freeze or crash frequently. Your internet speed will also suffer, making it slower than before. The only way to regain control over your browser, protect your privacy and make sure that no similar software gets installed without your knowledge, you must remove the Application.MAC.Keylogger PUA from your browser ASAP! Fortunately for you, this article will help you in this task. Just follow the instructions provided below.

Staying safe from Application.MAC.Keylogger PUA

Apart from having a reliable AV software installed on your Mac, there are other things you can do to ensure your device’s safety. We highly recommend you to:

  • Pay close attention when you install third-party software, especially torrent files, so you don’t install shady additional applications that you don’t want. In most cases, that’s how malicious parasites are able to infect your computer;
  • Read any Terms and Conditions you see, so you know exactly what you agree to. The last thing you want is to unknowingly give permission to a nasty virus to infiltrate your Mac;
  • Follow links that lead to trustworthy sites only;
  • It is best to visit only reliable and official websites. You never know what dangers might lurk behind an unfamiliar site;
  • No matter how attractive an ad is, if you are not familiar with the website it redirects to, it might be best to steer clear of it and not click;
  • Always check the sender’s email address before opening a message. If it states that it’s from an official company, compare the email with the one given in their official page. If there is no match, delete the message, since it most likely is fake and has malicious aims;
  • Don’t open email attachments from unknown senders. More often than not, such files carry infections that can seriously damage your computer.

How to manually remove Application.MAC.Keylogger PUA from Mac

If you’ve had the misfortune of getting your Mac infected with the Application.MAC.Keylogger PUA, the instructions below can help you to remove it manually. Here’s what you need to do:

1. Go to Utilities. You can do that by using the ⇧+⌘+U key combination, or by going to Finder and choosing Utilities from the Go main menu at the top.

2. Find Activity Monitor and double-click it.

3. A list will be displayed. Find any processes that seem suspicious to you and use the ‘Force Quit‘ option to quit them completely.

4. Open Finder. Click on the Go button from the main menu at the top, and choose Applications. An alternative way is to use the ⇧+⌘+A key combination.

5. Look for any suspicious applications, especially ones with a name similar to Application.MAC.Keylogger. If any are found, right-click on them and select the ‘Move to Trash‘ option.

6. Remove any related left-over files by going to Finder‘s search bar and typing the name of the app you want to remove. Make sure to modify the two drop down menus above to ‘System Files‘ and ‘Are Included‘, so that any hidden files are visible for you to remove. Once you find the files you want to remove, simply drag them to Trash.

7. All that’s left for you to do is remove any related extensions to Application.MAC.Keylogger from your Mac browsers.

For Mozilla Firefox extensions:

  • Open the Firefox browser and from the ‘burger’ menu in the top right corner of the window select ‘Add-ons’.
  • Select any suspicious extensions that may be related to the virus and click ‘Remove’.

For Google Chrome extensions:

  • Open the Chrome browser and select Tools > Extensions from the menu (the three dots in the top right corner of the browser window).
  • Locate any suspicious extensions that may be related to the virus and remove them.

For Safari extensions:

  • Open the Safari browser. From the Safari menu choose Preferences. Select Extensions from the options at the top.
  • Find any extensions you think are related to the virus, select them and click ‘Uninstall’. A new window will show up asking for confirmation. Click Uninstall again, for the extension to get deleted permanently from your browser.

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