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

What is CapacityMegabyte

CapacityMegabyte is an adware app that targets Apple computers. Adware is considered by many to be synonymous with ‘malware’. It is a malicious software that shows unwanted ads to computer users. Some examples include pop up advertisements, push notifications, unclosable windows and even fake virus alerts. Adware can be installed onto MAC computers via infected web-sites, when users open email attachments, anytime they download and install freeware.

Another reason why you need to get rid of adware software is its online data-tracking activity. CapacityMegabyte can monetize its functionality by collecting privacy data from your surfing sessions. This privacy data, afterwards, can be easily sold to third parties. This puts your privacy information at a security risk.

So, it is very important to follow the few simple steps below ASAP. The steps will assist you to uninstall CapacityMegabyte as well as get rid of any unwanted ads. Moreover, this guide will help you delete other malicious applications such as unwanted toolbars and browser hijackers that can be installed onto your Mac along with the adware.

How does CapacityMegabyte get on your computer

Adware gets on MAC computers along with some free applications. So always read carefully the install screens, disclaimers, ‘Terms of Use’ and ‘Software license’ appearing during the install process. Additionally pay attention for additional software that are being installed along with the main application. Ensure that you unchecked all of them! Also, run an ad-blocker program that will help to stop shady and untrustworthy webpages.

Threat Summary

Name	CapacityMegabyte, “CapacityMegabyte 1.0”
Type	adware, PUP (potentially unwanted program), Mac malware, Mac virus
Detection Names	Program:MacOS/Vigram.A, Trojan-Downloader.OSX.Adload, Adware.MAC.Generic, Adware/Adload!OSX, ApplicUnwnt, OSX.Trojan.Gen, Osx.Adware.Cimpli and MacOS.Agent-MT
Distribution	Free software installers, torrent downloads, misleading pop-up ads and fake software updaters
Symptoms	Your web browser is redirected to web pages you did not want, unwanted advertisements appear on web-pages that you are visiting, your machine starts automatically installing unexpected programs, new icons in your internet browser, your internet browser start page has modified and you are unable to modify it back, slow browsing Internet.
Removal	CapacityMegabyte removal guide

How to remove CapacityMegabyte

According to cyber threat analysts, CapacityMegabyte removal can be finished manually and/or automatically. These tools that are listed below will allow you get rid of adware software, malicious internet browser add-ons, malware and potentially unwanted apps . However, if you’re not willing to install other software to get rid of CapacityMegabyte , then use following instructions to revert back your machine settings to their previous states.

To remove CapacityMegabyte, perform the following steps:

1. Remove unwanted profiles on Mac device
2. Uninstall CapacityMegabyte related programs through the Finder
3. Remove CapacityMegabyte related files and folders
4. Scan your Mac with MalwareBytes
5. Remove CapacityMegabyte from Safari, Chrome, Firefox
6. How to stay safe online

Remove unwanted profiles on Mac device

CapacityMegabyte can make changes to the Mac system such as malicious changes to browser settings, and the addition of malicious system profiles. You need to check the system preferences, find and remove malicious profiles and ensure your settings are as you expect.

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 computer. If there is Profiles in the list, then click on it, then select a profile associated with CapacityMegabyte.

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

Uninstall CapacityMegabyte related programs through the Finder

In order to remove CapacityMegabyte you need to do is to uninstall unknown and suspicious programs from your Apple Mac using the Finder. When removing PUPs, browser hijackers and adware, check the list of installed software and try to find questionable programs and delete them all. Pay special attention to recently installed apps, as it’s most probably that CapacityMegabyte сame along with it.

Open Finder and click “Applications” as displayed on the screen below.

You will see a list of applications installed on your machine. We recommend to pay maximum attention to the program you installed last. Most probably, it’s the CapacityMegabyte adware. If you are in doubt, you can always check the application by doing a search for her name in Google, Yahoo or Bing.

Once the application which you need to delete is found, simply right press on its name, and choose “Move to Trash”.

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

Remove CapacityMegabyte related files and folders

Now you need to try to find CapacityMegabyte 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.

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

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

Some files created by CapacityMegabyte 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 CapacityMegabyte 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: search.plist, com.net-preferences.plist, com.machelper.plist, com.google.defaultsearch.plist, , com.CapacityMegabyte.service.plist, installapp.plist and macsearch.plist. Most often, PUPs, browser hijackers and adware create several files with similar names.

Check for CapacityMegabyte 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.CapacityMegabyte.system, then this folder must be deleted. Move all suspicious folders and files to the Trash.

Check for CapacityMegabyte 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 CapacityMegabyte 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.CapacityMegabyte.system.plist, com.search.system.plist, com.macsearch.system.plist, com.machelper.system.plist and com.installapp.system.plist. In most cases, PUPs, adware software and browser hijackers create several files with similar names.

Scan your Mac with MalwareBytes

If you are still having issues with the CapacityMegabyte removal or just wish to scan your Apple computer occasionally for adware software and other malicious software, then download MalwareBytes AntiMalware. It is free for home use, and scans for and removes various unwanted programs that attacks your Apple Mac or degrades MAC system performance. MalwareBytes AntiMalware can get rid of browser hijackers, toolbars, adware software and potentially unwanted programs as well as malware, including ransomware and trojans.

Download MalwareBytes Anti-Malware from the link below.

After downloading is done, close all windows on your computer. Further, open the saved file. Follow the prompts.

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

Next, press the “Scan Now” button to perform a system scan with this utility for the CapacityMegabyte . This task can take quite a while, so please be patient.

Once the scan get completed, the results are displayed in the scan report. Review the report and then click the “Quarantine” button.

The MalwareBytes Anti-Malware will delete CapacityMegabyte adware software and move the selected items to the Quarantine.

Remove CapacityMegabyte from Safari, Chrome, Firefox

If you’re still getting CapacityMegabyte , then you can try to remove it by deleting malicious add-ons.

Google Chrome	Mozilla Firefox
Click on ‘three dots menu’ button at the top right corner of the Google Chrome window. Select ‘More tools’, then ‘Extensions’. Click ‘Remove’ to uninstall an extension. Click ‘Remove’ in the dialog box. You can also try to get rid of CapacityMegabyte 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 problems with CapacityMegabyte adware software 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

If you browse the World Wide Web, you cannot avoid malvertising. But you can protect your internet browser against it. Download and run an ad-blocking program. AdGuard is an ad blocker which can filter out tons of of the malvertising, stoping dynamic scripts from loading harmful content.

Visit the page linked below to download AdGuard.

When the download is done, launch the downloaded file. You will see the “Setup Wizard” screen. Follow the prompts.

Each time, when you run your MAC system, AdGuard will start automatically and stop annoying pop ups, block harmful and misleading web pages.

Finish words

We suggest that you keep MalwareBytes Anti-Malware (to periodically scan your machine for new adware and other malware) and AdGuard (to help you block unwanted popups and malicious web sites). Moreover, to prevent any adware, please stay clear of unknown and third party programs.

If you need more help with CapacityMegabyte related issues, go to here.