How to remove Polyhedrical.app (Mac)

What is Polyhedrical.app

Polyhedrical.app is a rogue adware application that targets macOS systems, belonging to the notorious Pirrit adware family. It operates by displaying intrusive advertisements such as pop-ups, banners, and redirects to dubious websites, severely disrupting the user experience. While it does not exhibit browser hijacking behaviors, it poses significant privacy risks by potentially tracking sensitive user data including browsing habits, login credentials, and financial information. This data can be exploited or sold to third parties, increasing the risk of identity theft and financial loss. Often bundled with free software or distributed via deceptive pop-up ads, it infiltrates systems without user consent. Removal can be challenging due to persistent files hidden in system folders, making professional antivirus tools essential for thorough cleanup. Users infected with this adware should act promptly to safeguard their privacy and system integrity.

How Polyhedrical.app infects Mac computers

Polyhedrical.app infects Mac systems primarily through deceptive tactics, often bundled with legitimate software downloaded from unreliable sources such as freeware websites or torrent sites. Users may inadvertently install this adware by opting for “Easy” or “Express” installation settings, which typically allow bundled applications to bypass user scrutiny. Additionally, intrusive pop-up ads and misleading online advertisements can redirect users to malicious sites that trigger automatic downloads of the adware. Once installed, Polyhedrical.app begins displaying unwanted advertisements and may even track user data, posing privacy risks. The adware’s presence can severely degrade system performance and lead to further security vulnerabilities. Therefore, maintaining vigilance during software installations and employing robust security measures are crucial to prevent such infections.

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

Remove Polyhedrical.app manually for free

Note: Polyhedrical.app 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 “Polyhedrical.app” entry. Select it, and click the “-“ (minus) button to remove it.

Note 2: Polyhedrical.app 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 Polyhedrical.app in the list.
3. Click Force Quit button.

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

Remove Polyhedrical.app from Applications

Remove Polyhedrical.app from Mac:

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

Cannot uninstall Polyhedrical.app

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

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

Remove Polyhedrical.app add-on from your browsers

Removing Polyhedrical.app 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 Polyhedrical.app 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 Polyhedrical.app 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 Polyhedrical.app 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 Polyhedrical.app extension.
4. Click Disable or Remove button.

Reset browser settings

To finish Polyhedrical.app 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 Polyhedrical.app


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


Download AdGuard for Mac to block malicious pop-ups, that promote Polyhedrical.app

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 Polyhedrical.app in browsers.

Download AdGuard for Mac

How to protect Mac OSX from adware, like Polyhedrical.app

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