How to remove DefaultCommand (Mac)

What is DefaultCommand

DefaultCommand is a type of adware targeting macOS devices, known for displaying intrusive and unwanted advertisements such as banners, pop-ups, and coupons. This software is often categorized as malicious due to its tendency to redirect users to deceptive or harmful websites that may attempt to steal sensitive information or distribute further malware. Once installed, DefaultCommand can significantly degrade system performance by consuming considerable resources, causing slowdowns and instability. It commonly infiltrates systems bundled with other free software or via deceptive online ads and fake notifications, exploiting users who skip careful installation steps. Beyond displaying ads, DefaultCommand may track browsing habits, capture search queries, and collect personal data, raising serious privacy concerns. Removal can be challenging since residual components might persist after manual uninstallation. Security experts recommend using specialized removal tools like Combo Cleaner to ensure complete eradication. Users are strongly advised to avoid installing this application and to maintain vigilant browsing habits to prevent infection. Overall, DefaultCommand represents a significant security risk that compromises both system integrity and user privacy.

How DefaultCommand infects Mac computers

DefaultCommand typically infects Mac systems through deceptive tactics, often bundled with free software or applications that users download from untrustworthy sources. During the installation process, users may unknowingly allow DefaultCommand to install alongside the desired software by skipping or ignoring important steps, particularly in “Advanced” or “Custom” installation options. This adware can also infiltrate systems via misleading pop-up ads or notifications from dubious websites, which entice users to click on links that lead to the download of malicious software. Once installed, it generates intrusive ads and may track user activity, leading to potential privacy breaches. To mitigate the risk of infection, users should exercise caution when downloading software and ensure they thoroughly read installation prompts to avoid accepting unwanted applications. Regularly scanning systems with reputable antivirus software can further help detect and eliminate such threats before they cause significant damage.

1. Download DefaultCommand Removal Tool
2. Remove DefaultCommand from Login Items
3. Remove/Uninstall DefaultCommand from Applications
4. Remove DefaultCommand from browsers
5. Reset browser settings
6. Remove DefaultCommand files and folders
7. Block DefaultCommand ads and pop-ups
8. How to protect from threats, like DefaultCommand

Remove DefaultCommand manually for free

Note: DefaultCommand sets up to start on macOS startup. Therefore, before starting the removal, perform these steps:

1. Open System Preferences, choose Users & Groups.
2. Choose your account (set up as Current User).
3. Click Login Items tab.
4. Find “DefaultCommand” entry. Select it, and click the “-“ (minus) button to remove it.

Note 2: DefaultCommand won’t quit just by closing it, therefor use Force Quit to end the process.

1. Press 3 buttons at the same time: Option, Command, and Esc (Escape). This is similar to Control-Alt-Delete on a Windows PC.
2. Choose DefaultCommand in the list.
3. Click Force Quit button.

Here is a manual step-by-step tutorial for full DefaultCommand removal from your computer. This works 99% and was checked with the latest versions of DefaultCommand installer on operating systems with the latest updates and browser versions.

Remove DefaultCommand from Applications

Remove DefaultCommand from Mac:

1. In the Finder sidebar, click Applications.
2. DefaultCommand might have an Uninstaller. If you see Uninstall DefaultCommand or DefaultCommand Uninstaller, double-click it and follow the onscreen instructions.
3. Otherwise, drag DefaultCommand from the Applications folder to the Trash (located at the end of the Dock).
4. Then choose Finder > Empty Trash.

Cannot uninstall DefaultCommand

If you can’t uninstall DefaultCommand using instructions above, or it keeps coming back, you can use free AppCleaner for Mac to remove all residual data and libraries of DefaultCommand. Follow instructions below:

1. Download free AppCleaner.
2. Drag DefaultCommand from Applications folder to AppCleaner window.
3. Choose files and folders you want to remove along with DefaultCommand.
4. Click Delete button.

Remove DefaultCommand add-on from your browsers

Removing DefaultCommand from Applications often does not bring the desired effect. It is a browser extension, and it may still be active in Google Chrome and Mozilla Firefox. Here are instructions on how to remove the DefaultCommand extension from your browsers manually.

Safari:

1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
2. Click Extensions tab.
3. Find DefaultCommand extension.
4. Click Uninstall button to remove it.

Google Chrome:

1. Start Google Chrome browser
2. In address box type (or copy-paste) chrome://extensions.
3. Find DefaultCommand extension.
4. Click the trash can icon to remove it.

Mozilla Firefox:

1. Start Mozilla Firefox browser.
2. In address box type (or copy-paste) about:addons.
3. Choose DefaultCommand extension.
4. Click Disable or Remove button.

Reset browser settings

To finish DefaultCommand removal, reset your browser settings to make sure, there are no leftover items in browser folders.

Reset Safari:

1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
2. Go to the Privacy section of Safari’s preferences.
3. Click Remove All Website Data button.
4. In the opened window, click Remove Now button to remove data stored by websites in Safari.
5. Go to the Advanced section of Safari’s preferences.
6. Click the Show Develop menu in menu bar option.
7. In the menu, click Develop and select Empty Caches from this menu.
8. Again, go to Safari menu and choose Clear History….
9. Choose to clear all history and click Clear History button.

Reset Google Chrome:

1. Start Google Chrome browser
2. In address box type (or copy-paste) chrome://settings.
3. Scroll down and find Show advanced settings link.
4. Click on it and scroll down to the bottom again.
5. Click Reset settings button and click Reset to confirm.

Reset Mozilla Firefox:

1. Start Mozilla Firefox browser.
2. In address box type (or copy-paste) about:support.
3. Click Refresh Firefox… button.
4. Click Refresh Firefox to confirm.

Remove following files and folders of DefaultCommand


~/Library/Application Support/.[random_string]/Services/com.DefaultCommand.service.app
~/Library/LaunchAgents/com.DefaultCommand.service.plist
/Library/Application Support/.[random_string]/System/com.DefaultCommand.system
/Library/LaunchDaemons/com.DefaultCommand.system.plist


Download AdGuard for Mac to block malicious pop-ups, that promote DefaultCommand

AdGuard is the best ad-blocker, internet filtering, and internet security application for macOS. It can cut out unwanted banners from site pages, block pop-ups, stop redirects, and prevent users from visiting potentially dangerous resources. Use it to stop ads promoting DefaultCommand in browsers.

Download AdGuard for Mac

How to protect Mac OSX from adware, like DefaultCommand

Mac OSX is known to be one of the safest operating systems, and for a long time, there was no need for antivirus products for Mac. But with the growing popularity of Mac computers and notebooks and evolving technology, viruses, trojans, adware, toolbars, hijackers, and other malware paved the way for Mac users. We recommend you to use one of the best anti-malware for Mac available — Malwarebytes for Mac.

Download Malwarebytes for Mac