How to uninstall MemoryField app/extension from Mac (Virus removal guide)

What is MemoryField

According to security experts, MemoryField is a malicious programs belonging to the Adware category. Adware is a type of software designed to throw advertisements up on your web browser screen. Adware software generates revenue for its creator by occasionally displaying a ton of advertisements and pop-up deals. You might experience a change in your start page or search engine, new tabs opening or even a redirect to shady web sites.

Even worse, the MemoryField adware has the ability to collect your surfing history and confidential data, including passwords and credit card numbers. In the future, sensitive information about you can be sold to third party companies. If you are unfortunate have adware or malicious software running on your MAC, you can follow the suggestions here to delete MemoryField from your Mac and web browser.

How does MemoryField get on your machine

The most common way to get adware is a freeware installer. In most cases, the user have a chance to disable all unnecessary programs, but certain setup files are designed to confuse the average users, in order to trick them into installing PUPs and adware. Anyway, easier to prevent adware software rather than clean up your MAC system after one. So, keep your internet browser updated (turn on automatic updates), run good antivirus applications, double check free software before you run it (do a google search, scan a downloaded file with VirusTotal), avoid shady and unknown webpages.

Threat Summary

Name	MemoryField, MemoryField 1.0 app
Type	adware software, potentially unwanted application (PUA), Mac malware, Mac virus
Detection Names	Program:MacOS/Vigram.A, Trojan-Downloader.OSX.Adload, Adware/Adload!OSX, Osx.Adware.Cimpli, ApplicUnwnt, Adware.MAC.Generic, MacOS.Agent-MT and OSX.Trojan.Gen
Distribution	Free software installers, malicious popup advertisements, torrent downloads and fake updaters
Symptoms	When you go to a web page, you’re occasionally redirected to another web site that you do not intend to visit, you experience a large amount of of unexpected pop-up advertisements, your MAC OS starts automatically installing unexpected apps, unexpected toolbars on your desktop, your Mac settings are being altered without your request, slow Internet browsing speeds.
Removal	MemoryField removal guide

How to remove MemoryField from Mac

In the step-by-step guide below, we’ll try to cover Safari, Google Chrome and Mozilla Firefox and provide general advice to get rid of MemoryField . You may find some minor differences in your Mac OS install. No matter, you should be okay if you follow the steps outlined below: delete all suspicious and unknown software, reset browsers settings, use free malware removal utilities. Read this manual carefully, bookmark it or open this page on your smartphone, because you may need to exit your browser or restart your computer.

To remove MemoryField, use the following steps:

1. Remove profiles created by MemoryField
2. Check the list of installed software
3. Remove MemoryField related files and folders
4. Scan your Mac with MalwareBytes
5. Remove MemoryField from Safari, Chrome, Firefox
6. How to stay safe online

Remove profiles created by MemoryField

MemoryField can install a configuration profile on the Mac system to block changes made to the browser settings. Therefore, you need to open system preferences, find and delete the profile installed by the adware software.

Click Apple menu ( ) > System Preferences.

In System Preferences, select Profiles. if there is no Profiles in the list of preferences, that means there are no profiles installed on the Mac. If there is Profiles in the list, then click on it, then select a profile related to MemoryField.

To delete a malicious profile, click on the minus button ( – ) located at the bottom-left of the Profiles screen.

Check the list of installed software

Check the list of installed applications and uninstall all unknown or dubious programs. This is an important step, it so often happens that browser hijackers, PUPs and adware are built into free software, so by removing these applications you can get rid of annoying advertisements and web browser redirects.

Open Finder and click “Applications” as shown on the image below.

You will see a list of apps installed on your MAC. We recommend to pay maximum attention to the application you installed last. Most likely, it’s the MemoryField adware software. If you’re in doubt, you can always check the program by doing a search for her name in Google, Yahoo or Bing.

When the program which you need to uninstall is found, simply right click on its name, and choose “Move to Trash”.

Don’t forget, choose Finder, then “Empty Trash”.

Remove MemoryField related files and folders

Now you need to try to find MemoryField related files and folders, and then delete them manually. You need to look for these files in certain directories. To quickly open them, we recommend using the “Go to Folder…” command.

MemoryField creates several files, these files must be found and removed. Below is a list of files associated with this unwanted program.

• /Library/LaunchDaemons/com.MemoryField.system.plist
• ~/Library/LaunchAgents/com.MemoryField.service.plist
• /Library/Application Support/.(RANDOM)/System/com.MemoryField.system
• ~/Library/Application Support/.(RANDOM)/Services/com.MemoryField.service.app

Some files created by MemoryField are hidden from the user. To find and delete them, you need to enable “show hidden files”. To do this, use the shortcut CMD + SHIFT + . Press once to show hidden files and again to hide them. There is another way. Click Finder -> Applications -> Utilities -> Terminal. In Terminal, paste the following text: defaults write com.apple.finder AppleShowAllFiles YES

Press Enter. Hold the ‘Option/alt’ key, then right click on the Finder icon in the dock and click Relaunch.

Click on the Finder icon. From the menu bar, select Go and click “Go to Folder…”. As a result, a small window opens that allows you to quickly open a specific directory.

Check for MemoryField generated files in the /Library/LaunchAgents folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/LaunchAgents

This will open the contents of the “/Library/LaunchAgents” folder. Look carefully at it and pay special attention to recently created files, as well as files that have a suspicious name. Move all suspicious files to the Trash. A few examples of files: com.google.defaultsearch.plist, , installapp.plist, com.net-preferences.plist, macsearch.plist, search.plist, com.machelper.plist and com.MemoryField.service.plist. Most often, adware software, browser hijackers and potentially unwanted programs create several files with similar names.

Check for MemoryField generated files in the /Library/Application Support folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/Application Support

This will open the contents of the “Application Support” folder. Look carefully at its contents, pay special attention to recently added/changed folders and files. Check the contents of suspicious folders, if there is a file with a name similar to com.MemoryField.system, then this folder must be deleted. Move all suspicious folders and files to the Trash.

Check for MemoryField generated files in the “~/Library/LaunchAgents” folder

In the “Go to Folder…” window, type the following text and press Go:
~/Library/LaunchAgents

Proceed in the same way as with the “/Library/LaunchAgents” and “/Library/Application Support” folders. Look for suspicious and recently added files. Move all suspicious files to the Trash.

Check for MemoryField generated files in the /Library/LaunchDaemons folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/LaunchDaemons

Carefully browse the entire list of files and pay special attention to recently created files, as well as files that have a suspicious name. Move all suspicious files to the Trash. A few examples of files to be deleted: com.macsearch.system.plist, com.installapp.system.plist, com.machelper.system.plist, com.MemoryField.system.plist and com.search.system.plist. In most cases, adware, browser hijackers and potentially unwanted programs create several files with similar names.

Scan your Mac with MalwareBytes

You can get rid of MemoryField associated files automatically through the use of MalwareBytes Free. We recommend this free malware removal tool because it can easily remove adware software, browser hijackers, toolbars and potentially unwanted programs with all their components such as files, folders and system entries.

Download MalwareBytes Anti Malware (MBAM) by clicking on the following link.

When downloading is done, close all windows on your machine. Further, run the saved file. Follow the prompts.

The MalwareBytes AntiMalware will automatically launch and you can see its main window as displayed below.

Next, click the “Scan Now” button for scanning your machine for the MemoryField adware. Depending on your computer, the scan can take anywhere from a few minutes to close to an hour. While the MalwareBytes Anti Malware (MBAM) program is checking, you can see how many objects it has identified as threat.

After the system scan is done, the results are displayed in the scan report. Make sure to check mark the items that are unsafe and then click the “Quarantine” button.

The MalwareBytes Free will start to remove MemoryField adware software.

Remove MemoryField from Safari, Chrome, Firefox

Remove unwanted add-ons is a simple method to remove MemoryField and restore web browser’s settings that have been changed by adware software.

Google Chrome	Mozilla Firefox
In the top right hand corner, click on ‘three vertical dots’, and this will open up the main menu on Chrome. When the drop-down menu appears, choose ‘More tools’ and click on ‘Extensions’. Click ‘Remove’ to uninstall an extension. Click ‘Remove’ in the dialog box. You can also try to remove MemoryField adware by reset Google Chrome settings.	Click on ‘menu’ button and select ‘Add-ons’. Go to ‘Extensions’ tab. To uninstall an add-on, click on ‘Remove’ button next to it. If you are still experiencing issues with MemoryField adware removal, you need to reset Firefox browser.
Safari
On the top menu select ‘Safari’, then ‘Preferences’. Select ‘Extensions’ tab. Select an extension you want to delete and click ‘Uninstall’ button next to it.

How to stay safe online

Use adblocker program such as AdGuard in order to block advertisements, malvertisements, pop-ups and online trackers, avoid having to install malicious and adware browser plug-ins and add-ons which affect your MAC OS performance and impact your Apple Mac security. Browse the World Wide Web anonymously and stay safe online!

Installing the AdGuard is simple. First you’ll need to download AdGuard on your Apple Mac by clicking on the link below.

When the download is done, run the downloaded file. The “Setup Wizard” window will show up on the computer screen.

Follow the prompts. AdGuard will then be installed. A window will show up asking you to confirm that you want to see a quick guide. Click “Skip” button to close the window and use the default settings, or press “Get Started” to see an quick tutorial that will assist you get to know AdGuard better.

Each time, when you run your computer, AdGuard will run automatically and stop unwanted popup advertisements, block harmful and misleading webpages.

Finish words

After completing the steps above, your MAC system should be clean from the adware and other malware. The Firefox, Safari and Chrome will no longer display any unwanted ads when you browse the World Wide Web. Unfortunately, if the step-by-step guide does not help you, then you have caught a new adware, and then the best way – ask for help.

Please create a new question by using the “Ask Question” button in the Questions and Answers. Try to give us some details about your problems, so we can try to help you more accurately. Wait for one of our trained “Security Team” or Site Administrator to provide you with knowledgeable assistance tailored to your problem with the intrusive MemoryField adware.