Polyhedrical.app Adware (Mac)

What kind of application is Polyhedrical.app?

Polyhedrical.app is a rogue application discovered by our researchers while browsing new submissions to the VirusTotal site. Upon inspection, we learned that this piece of software is adware from the Pirrit family. Advertising-supported software is designed to generate revenue for its developers/publishers through advertising.

Polyhedrical.app adware detections on VirusTotal

Polyhedrical.app adware overview

Typically, adware operates by displaying advertisements (e.g., overlays, banners, pop-ups, etc.) on visited websites, desktops, or different interfaces. This third-party graphical content is more than a mere annoyance; it endorses deceptive and possibly dangerous material.

Adware-delivered ads can promote online scams, unwanted/harmful software, and malware. Some can even be triggered (by being clicked) to execute scripts that performs stealthy downloads/installations.

Keep in mind that any genuine products/services encountered via these adverts are most likely endorsed by scammers who abuse affiliate programs to obtain illegitimate commissions.

Specific conditions may be necessary for advertising-supported software to work as intended (e.g., compatible browser/system or user geolocation, visits to particular sites, etc.). Regardless of whether Polyhedrical.app displays advertisements – the application's presence on a system threatens device and user safety.

It is pertinent to mention that adware-type apps often exhibit browser-hijacking capabilities; however, we did not observe such traits while analyzing Polyhedrical.app.

Software within this classification is also known to have data-tracking abilities, and this might apply to Polyhedrical.app. Targeted data may include: visited URLs, viewed pages, searched queries, browser cookies, usernames/passwords, personally identifiable details, credit/debit card numbers, etc. This sensitive information can then be sold to third-parties or otherwise abused for profit.

In summary, advertising-supported software like Polyhedrical.app is associated with the following risks – system infections, severe privacy issues, financial losses, and identity theft.

Threat Summary:
Name	Ads by Polyhedrical.app
Threat Type	Adware, Mac malware, Mac virus
Detection Names	Avast (MacOS:Pirrit-CH [Adw]), Combo Cleaner (Adware.MAC.Pirrit.KF), ESET-NOD32 (A Variant Of OSX/Adware.Pirrit.BP), Kaspersky (Not-a-virus:HEUR:AdWare.OSX.Pirrit.ac), Full List (VirusTotal)
Additional Information	This application belongs to the Pirrit adware family.
Symptoms	Your Mac becomes slower than normal, you see unwanted pop-up ads, you are redirected to dubious websites.
Distribution methods	Deceptive pop-up ads, free software installers (bundling), torrent file downloads.
Damage	Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites, loss of private information.
Malware Removal (Windows)	To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner. Download Combo Cleaner To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by RCS LT, the parent company of PCRisk.com.

Adware examples

Gastaldo.app, OperativeNavigation, Unrented.app, and SatelliteDiscovery are just a couple of our latest articles on Mac-specific adware. Advertising-supported software usually appears legitimate and harmless. It can also offer various "useful" functionalities that rarely work as promised, and in most cases – they do not work at all.

Remember that even if an application or a browser extension operates exactly as indicated by its promotional material – that alone does not prove its legitimacy or safety.

How did Polyhedrical.app install on my computer?

Adware is promoted on genuine-looking download pages and scam websites. They are primarily accessed through redirects caused by intrusive adverts, sites that utilize rogue advertising networks, spam browser notifications, mistyped URLs, and adware (with the ability to force-open webpages).

This software can also be bundled with (packed alongside) ordinary programs. The risk of unintentionally permitting access for bundled content into the system is increased by downloading from suspicious sources (e.g., freeware and free file-hosting websites, Peer-to-Peer sharing networks, etc.) and by inattentiveness when installing (e.g., using "Easy/Express" settings, etc.).

Intrusive advertisements proliferate adware as well. Once clicked on, some of these ads can execute scripts to perform downloads/installations without user permission.

How to avoid installation of adware?

Caution is essential to device and user safety. Therefore, always research software prior to downloading or purchasing. Download only from official and trustworthy channels. Approach installations with care by studying terms and options, using "Custom/Advanced" settings, and opting out of supplementary apps, extensions, features, etc.

Additionally, be vigilant when browsing since fraudulent and malicious online content typically appears legitimate and innocuous. For example, intrusive ads may look harmless – yet redirect users to unreliable and questionable websites (e.g., scam-promoting, gambling, adult dating, etc.).

In case of continuous encounters with such advertisements/redirects, inspect the device and immediately remove all dubious applications and browser extensions/plug-ins. If your computer is already infected with Polyhedrical.app, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate this adware.

When removing Polyhedrical.app, it is important to check these folders for its components (the filenames may differ in each folder, yet every single one should contain "Polyhedrical.app"):

~/Library/LaunchAgents
/Library/LaunchDaemons
/Library/LaunchAgents
/Library/StartupItems

Pop-up window displayed when Polyhedrical.app adware is present on the system:

Pop-up displayed when Polyhedrical.app adware is detected on the system

Text presented in this pop-up:

"Polyhedrical.app" will damage your computer.

This file was downloaded on an unknown date.

Ok
Show in Finder

Instant automatic malware removal:

Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:

DOWNLOAD Combo Cleaner

By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by RCS LT, the parent company of PCRisk.com.

Quick menu:

What is Polyhedrical.app?
STEP 1. Remove Polyhedrical.app related files and folders from OSX.
STEP 2. Remove Polyhedrical.app ads from Safari.
STEP 3. Remove Polyhedrical.app adware from Google Chrome.
STEP 4. Remove Polyhedrical.app ads from Mozilla Firefox.

Video showing how to remove adware and browser hijackers from a Mac computer:

Polyhedrical.app adware removal:

Remove Polyhedrical.app-related potentially unwanted applications from your "Applications" folder:

Manual removal of malicious Mac applications

Click the Finder icon. In the Finder window, select "Applications". In the applications folder, look for "MPlayerX","NicePlayer", or other suspicious applications and drag them to the Trash.

After removing the potentially unwanted application(s) that cause online ads, scan your Mac for any remaining unwanted components.

DOWNLOAD remover for malware infections

Combo Cleaner checks if your computer is infected with malware. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by RCS LT, the parent company of PCRisk.com.

Remove adware-related files and folders

Mac Go To Folder step

Click the Finder icon, from the menu bar. Choose Go, and click Go to Folder...

Mac removing related files and folders - step 1 Check for adware generated files in the /Library/LaunchAgents/ folder:

Mac go to /Library/LaunchAgents - step 1

In the Go to Folder... bar, type: /Library/LaunchAgents/

Mac go to /Library/LaunchAgents - step 2

In the "LaunchAgents" folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - "installmac.AppRemoval.plist", "myppes.download.plist", "mykotlerino.ltvbit.plist", "kuklorest.update.plist", etc. Adware commonly installs several files with the exact same string.

Mac removing related files and folders - step 2 Check for adware generated files in the ~/Library/Application Support/ folder:

Mac go to /Library/Application Support - step 1

In the Go to Folder... bar, type: ~/Library/Application Support/

Mac go to /Library/Application Support - step 2

In the "Application Support" folder, look for any recently-added suspicious folders. For example, "MplayerX" or "NicePlayer", and move these folders to the Trash.

Mac removing related files and folders - step 3 Check for adware generated files in the ~/Library/LaunchAgents/ folder:

Mac go to ~/Library/LaunchAgents - step 1

In the Go to Folder... bar, type: ~/Library/LaunchAgents/

Mac go to ~/Library/LaunchAgents - step 2

Mac removing related files and folders - step 4 Check for adware generated files in the /Library/LaunchDaemons/ folder:

Mac go to /Library/LaunchDaemons - step 1

In the "Go to Folder..." bar, type: /Library/LaunchDaemons/

Mac go to /Library/LaunchDaemons - step 2

In the "LaunchDaemons" folder, look for recently-added suspicious files. For example "com.aoudad.net-preferences.plist", "com.myppes.net-preferences.plist", "com.kuklorest.net-preferences.plist", "com.avickUpd.plist", etc., and move them to the Trash.

Mac removing malware related files and folders - step 5 Scan your Mac with Combo Cleaner:

If you have followed all the steps correctly, your Mac should be clean of infections. To ensure your system is not infected, run a scan with Combo Cleaner Antivirus. Download it HERE. After downloading the file, double click combocleaner.dmg installer. In the opened window, drag and drop the Combo Cleaner icon on top of the Applications icon. Now open your launchpad and click on the Combo Cleaner icon. Wait until Combo Cleaner updates its virus definition database and click the "Start Combo Scan" button.

Mac remove malware with Combo Cleaner - step 1

Combo Cleaner will scan your Mac for malware infections. If the antivirus scan displays "no threats found" - this means that you can continue with the removal guide; otherwise, it's recommended to remove any found infections before continuing.

Mac remove malware with Combo Cleaner - step 2

After removing files and folders generated by the adware, continue to remove rogue extensions from your Internet browsers.

Remove malicious extensions from Internet browsers

Remove malicious Safari extensions:

Removal of malicious extensions in Safari - step 1

Open the Safari browser, from the menu bar, select "Safari" and click "Preferences...".

Removal of malicious extensions in Safari - step 2

In the preferences window, select "Extensions" and look for any recently-installed suspicious extensions. When located, click the "Uninstall" button next to it/them. Note that you can safely uninstall all extensions from your Safari browser - none are crucial for regular browser operation.

If you continue to have problems with browser redirects and unwanted advertisements - Reset Safari.

Remove malicious extensions from Google Chrome:

Removal of malicious extensions in Google Chrome - step 1

Click the Chrome menu icon (at the top right corner of Google Chrome), select "More Tools" and click "Extensions". Locate all recently-installed suspicious extensions, select these entries and click "Remove".

Removal of malicious extensions in Google Chrome - step 2

If you continue to have problems with browser redirects and unwanted advertisements - Reset Google Chrome.

Remove malicious extensions from Mozilla Firefox:

Removal of malicious extensions in Mozilla Firefox - step 1

Click the Firefox menu (at the top right corner of the main window) and select "Add-ons and themes". Click "Extensions", in the opened window locate all recently-installed suspicious extensions, click on the three dots and then click "Remove".

Removal of malicious extensions in Mozilla Firefox - step 2

If you continue to have problems with browser redirects and unwanted advertisements - Reset Mozilla Firefox.

Frequently Asked Questions (FAQ)

What harm can adware cause?

Serious threats are posed by the content promoted via adware-displayed advertisements, including system infections, privacy issues, and financial losses. The presence of this software on a device can diminish the browsing experience and system performance. Additionally, adware is considered a privacy threat since it usually collects sensitive user data.

What does adware do?

Adware stands for advertising-supported software. Typically, it operates by displaying advertisements on various interfaces. However, some types are also capable of generating redirects and collecting private information.

How do adware developers generate revenue?

Adware generates revenue through content promotion (e.g., websites, software, products, services, etc.). Most of the profit comes from affiliate programs.

Will Combo Cleaner remove Polyhedrical.app adware?

Combo Cleaner can scan systems and remove all adware-type applications present. Note that manual removal (performed without the aid of security programs) might be ineffective. In some cases, after the adware has been manually removed – various leftovers (files) stay hidden within the system. What is more, these remnants might continue to run and cause problems. Therefore, advertising-supported software must be eliminated thoroughly.