CoverOpen for Mac is a potentially unwanted program (PUP) or sometimes dubbed as Adware. It spreads over the internet in a way very similar to nearly all adware and those are through misleading advertisement campaign and software bundling hoax. Once CoverOpen is executed by Mac users, certain unwanted changes on the browser will occur that greatly affects homepage and search functions.
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- How To Delete An Open App On Mac
Stop apps opening on startup on Mac Select the Apple menu and System Preferences. Select Users & Groups and then the Login Items tab in the top center. The list of enabled apps will appear in the center pane. It's easy and this manual method works like this: Click Launchpad icon in your Mac's Dock. Find the app you want to delete. Click and hold the app until it starts shaking. Click X in the top-left corner of the app icon. Uninstalling an application is as simple as opening a Finder window, clicking “Applications” in the sidebar, Control-clicking or right-clicking the application’s icon, and selecting “Move to Trash.”. You can also drag-and-drop an application’s icon to the trash can icon on your dock. Or, open the Launchpad interface and drag-and-drop an application’s icon to the trash can from there.
Unnecessary modification on Safari and browser program is not the only payload of CoverOpen. Its developers also tasked the adware to fetch other unwanted application, therefore, the entry of CoverOpen co-exists with other adware programs. It is noticeable that affected browser application becomes sluggish and sometimes leads to crashes or technical malfunction. This is due to resource-hungry behavior of CoverOpen and associated adware that aims to control internet software.
Obviously, the solution to restore browser to normal operational condition prior to infection is the removal of CoverOpen. Eliminating the adware from the browser is easy to figure out while its effective removal from the entire Mac system may not be that simple. There are malicious codes and processes on the computer that reinstates the adware repeatedly after the cleaning process. Therefore, successful removal of the adware requires powerful scanner such as legitimate anti-malware tool as recommended in the procedures on the next segment.
Please execute the guide in exact order to ensure complete removal of CoverOpen adware from Mac system and infected internet browser program.
Procedures to Remove CoverOpen from Mac
This area contains comprehensive procedures to help you remove adware and potentially unwanted program from the computer.
Guide on this page are written in a manner that can be easily understand and execute by Mac users.
Quick Fix - Scan the System with Combo Cleaner
Combo Cleaner is a trusted Mac utility application with complete antivirus and optimization features. It is useful in dealing with adware, malware, and PUP's. Moreover, it can get rid of adware like CoverOpen. You may need to purchase full version if you require to maximize its premium features.
1. Download the tool from the following page:
2. Double-click the downloaded file and proceed with the installation.
3. In the opened window, drag and drop the Combo Cleaner icon onto your Applications folder icon.
4. Open your Launchpad and click on the Combo Cleaner icon.
5. Wait until antivirus downloads its latest virus definition updates and click on 'Start Combo Scan' to start removing CoverOpen.
6. Free features of Combo Cleaner include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus and privacy scanner, users have to upgrade to a premium version.
Proceed with the rest of the removal steps if you are comfortable in manually removing malicious objects associated with the threat.
Step 1 : Delete CoverOpen from Mac Applications
1. Go to Finder.
2. On the menu, click Go and then, select Applications from the list to open Applications Folder.
3. Find CoverOpen or any unwanted program.
4. Drag CoverOpen to Trash Bin to delete the application from Mac.
5. Right-click on Trash icon and click on Empty Trash.
Step 2 : Remove Browser Extensions that belongs to CoverOpen
1. Locate the add-on or extension that is relevant to the adware. To do this, please follow the following depending on affected browser.
Safari - Choose Preferences from the Safari menu, then click the Extensions icon. This will open a window showing all installed extensions.
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Chrome - Select Preferences from the Chrome menu, and then click the Extensions link found on the left pane.
Firefox - Choose Add-ons from the Menu. Look at both the Extensions and Plug-ins lists when it opens a new window.
2. Once you have located CoverOpen, click on Remove or Uninstall, to get rid of it.
3. Close the browser and proceed to the next steps.
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Step 3 : Delete Malicious Files that have installed CoverOpen
1. Select and copy the string below to your Clipboard by pressing Command + C on your keyboard.
How To Delete An Open App On Mac Computer
~/Library/LaunchAgents
2. Go to your Finder. From the menu bar please select Go > Go to Folder..
3. Press Command + V on your keyboard to paste the copied string. Press Return to go to the said folder.
4. You will now see a folder named LaunchAgents. Take note of the following files inside the folder:
- com.CoverOpen
- unknown.download.plist
- unknown.ltvbit.plist
- unknown.update.plist
The term unknown is just a representation of the actual malware name. Attackers may masks the actual name with following:
- OnlyApplication, HelperPages
If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing CoverOpen to be present on your Mac. Arranging all items to see the most latest ones may also help you identify recently installed unfamiliar files. Please press Option + Command + 4 on your keyboard to arrange the application list in chronological order.
Important: Take note of all the suspicious files as you may also delete the same item on another folder as we go on.
5. Drag all suspicious files that you may find to Trash.
6. Please restart the computer.
7. Open another folder using the same method as above. Copy and Paste the following string to easily locate the folder.
~/Library/Application Support
8. Look for any suspicious items that are similar to the ones in Step 4. Drag them to the Trash.
9. Repeat the process on the following non-hidden folders (without ~):
/Library/LaunchAgents
/Library/LaunchDaemons
/Library/Application Support
/Library/LaunchDaemons
/Library/Application Support
10. Lastly, go to your Finder and open the Applications Folder. Look for subfolders with the following names and drag them to Trash.
- OnlyApplication, HelperPages
Optional : For locked files that cannot be removed, do the following:
1. Go to Launchpad, Utilities folder, open Activity Monitor.
2. Select the process you want to quit.
3. Click on Force Quit button.
4. You may now delete or remove locked files that belongs to CoverOpen adware.
Step 4 : Double-check with MBAM Tool for Mac
1. Download Malwarebytes Anti-malware for Mac from this link:
2. Run Malwarebytes Anti-malware for Mac. It will check for updates and download if most recent version is available. This is necessary in finding recent malware threats including CoverOpen.
3. If it prompts to close all running web browser, please do so. Thus, we advise you to PRINT this guide for your reference before going offline.
4. Once it opens the user interface, please click on Scan button to start scanning your Mac computer.
5. After the scan, Malwarebytes Anti-malware for Mac will display a list of identified threats, CoverOpen is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.
Step 5 : Remove CoverOpen from Homepage and Search
Safari
![Mac Mac](/uploads/1/3/4/2/134202448/625691439.jpg)
- Open your Safari browser.
- Go to Safari Menu located on upper left hand corner, and then select Preferences.
- Under General tab, navigate to Default Search Engine section and select Google or any valid search engine.
- Next, be sure that 'New Windows Open With' field is set to Homepage.
- Lastly, remove CoverOpen from the Homepage field. Replace it with your preferred URL to be set as your default homepage.
- Go to Safari Menu located on upper left hand corner, and then select Preferences.
- Under General tab, navigate to Default Search Engine section and select Google or any valid search engine.
- Next, be sure that 'New Windows Open With' field is set to Homepage.
- Lastly, remove CoverOpen from the Homepage field. Replace it with your preferred URL to be set as your default homepage.
Google Chrome
- Open Chrome browser.
- Type the following on the address bar and press Enter on keyboard : chrome://settings/
- Look for 'On Startup' area.
- Select 'Open a specific page or set of pages'.
- Click on More Actions and select Edit.
- Enter the desired web address as your home page, replacing CoverOpen. Click Save.
- To set default search engine, go to Search Engine area.
- Click on 'Manage search engines..' button.
- Go to questionable Search Engine. Click on More Actions and Click 'Remove from list'.
- Go back to Search Engine area and choose valid entry from Search engine used in the address bar.
- Type the following on the address bar and press Enter on keyboard : chrome://settings/
- Look for 'On Startup' area.
- Select 'Open a specific page or set of pages'.
- Click on More Actions and select Edit.
- Enter the desired web address as your home page, replacing CoverOpen. Click Save.
- To set default search engine, go to Search Engine area.
- Click on 'Manage search engines..' button.
- Go to questionable Search Engine. Click on More Actions and Click 'Remove from list'.
- Go back to Search Engine area and choose valid entry from Search engine used in the address bar.
Uninstall Apps On Mac
Mozilla Firefox
- Run Mozilla Firefox browser.
- Type the following on the address bar and hit Enter on keyboard : about:preferences
- On Startup area, select 'Show your home page' under 'When Firefox starts' field.
- Under Home Page field, type the desired URL to replace CoverOpen settings.
- To configure default search engine, select Search on left sidebar to display settings.
- Under Default Search Engine list, please select one.
- On the same page, you have an option to Remove unwanted search engine.
- Type the following on the address bar and hit Enter on keyboard : about:preferences
- On Startup area, select 'Show your home page' under 'When Firefox starts' field.
- Under Home Page field, type the desired URL to replace CoverOpen settings.
- To configure default search engine, select Search on left sidebar to display settings.
- Under Default Search Engine list, please select one.
- On the same page, you have an option to Remove unwanted search engine.
How To Delete Unwanted Apps
Optional : If unable to change browser settings, execute these steps:
Some user complains that there is no way to change browser settings because it is grayed out by CoverOpen. In such situation, it is important to check if there is unwanted profile. Please do the following:
1. Quit any running applications and launch System Preferences from your Dock.
2. Under System Preferences, click Profiles.
3. Select CoverOpen or any relevant profile from the left pane. Events photos app mac. See image below.
4. At the bottom of this window, click minus [-] button to delete the account. Please refer to image above.
5. Close the Profiles window and open the affected browser to change all settings associated with CoverOpen.
Post Last Modified On June 27, 2020
Whenever you download or create any given file on your Mac, it is instantly assigned a default application to open it, which you can easily identify by the file’s thumbnail in most occasions. However, double clicking on the file will open it in that application and that one alone.
If you need to open that file with another app though, you can right-click on the file, choose Open With and then choose another app from the available ones in the list.
But what if you want to have not just that one, but all other files of the same format to be opened with an application other than the default one?
Here are two different methods you can use to achieve this:
Setting Default File Associations
Method 1
Step 1: Right-click on the file and select Other… from the available options. A dialog box will appear showing you all the applications that might be able to open the file.
Step 2: Select one application from among the list and make sure to check the Always Open With checkbox. Once you do, click Open. The file will open in the application you chose and from then onwards, all files of that type will have that application set as their default.
Tip: If the application you want is greyed out, select All Applications from the Enable: drop down menu.Method 2
Step 1: Right-click on the file and select Get Info to bring up the file’s information panel. Alternatively, you can just press the keyboard shortcutCommand + I.
How To Delete Open Any File App On Mac
Step 2: On that panel, look for the Open with: section and select another application from the drop down menu. Once you do, click the Change All… button below for all files of that type to open with your selected application from then onwards.
Also note that if no other application is available on the list, you can still choose Other… to bring up the same dialog box mentioned previously and follow from there.
Removing Default File Associations
There might be times when a file is associated with the wrong application or you simply want a certain kind of file not to be associated with any particular application, like when you want to manually choose the app to open them for example.
To do this in just a few clicks, you need to download a small, simple Preference Pane Extension called RCDefaultApp. Head to this website to download it. Once you do, install it.
Once you install it and open it, go to the Extensions tab and scroll across all the available file types there until you find the one that you want to make “neutral”. Once you find it, you will see the app set for it as the default one to open those types of files. Click on that same drop down menu to reveal its options and select disable.
Once you are done, all the files of the type you chose will be “neutral” and ready for you to assign them to an application or to open them with any app you choose.
That’s it for this entry. Hope you find these tips useful!
The above article may contain affiliate links which help support Guiding Tech. However, it does not affect our editorial integrity. The content remains unbiased and authentic.
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How To Delete An Open App On Mac
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