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How to remove Pirrit from Mac?

What is Pirrit?

Pirrit is the name of an adware family comprising a number of adware-type apps. Typically, apps of this type display intrusive, annoying (and often deceptive) advertisements. In some cases, adware can also be used to gather data. You are advised against having any adware installed on your computer or browser. Generally, users download and install adware inadvertently and, for this reason, adware-type apps are also known as potentially unwanted applications (PUAs).

When installed, adware-type apps display coupons, banners, surveys, pop-ups, and other ads. Typically, these ads conceal underlying content of visited websites. Furthermore, it is often difficult to close them without being forced to click them. When clicked, they open untrustworthy web pages or run scripts that download or even install unwanted apps. It is also possible that they can lead to installation of malware. People who willingly or accidentally click these ads arrive at various scam pages used to trick them into downloading and installing dubious applications. Furthermore, some of the installed adware might be designed to gather information relating to users' browsing habits. For example, IP addresses, entered search queries, addresses of visited websites, geolocations, and so on. Adware developers share the data with third parties (potentially, cyber criminals) who misuse it to generate revenue. Therefore, remove all adware immediately.

While Apple's previous iPod media players used a minimal operating system, the iPhone used an operating system based on Mac OS X, which would later be called 'iPhone OS' and then iOS. The simultaneous release of two operating systems based on the same frameworks placed tension on Apple, which cited the iPhone as forcing it to delay Mac OS X 10. Horace Goes Skiing is a sequel to the very successful Hungry Horace. The Horace series pioneers the idea of inter-active cartoons. Help Horace to slalom down the mountain course between the flags and avoiding the trees - but first he must cross the busy roads to get to the ski slopes. A complex, colourful and outstanding computer game.

Threat Summary:
NamePirrit unwanted application
Threat TypeMac malware, Mac virus.
Detection Names (RunappDaemon.app.zip)Avast (MacOS:Pirrit-AT [Adw]), AVG (MacOS:Pirrit-AT [Adw]), ESET-NOD32 (A Variant Of OSX/Adware.Pirrit.AN), Kaspersky (Not-a-virus:HEUR:AdWare.OSX.Pirrit.s), Full List Of Detections (VirusTotal)
SymptomsYour Mac becomes slower than normal, you see unwanted pop-up ads, you are redirected to dubious websites.
Distribution methodsDeceptive pop-up ads, free software installers (bundling), fake flash player installers, torrent file downloads.
DamageInternet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites, loss of private information.
Malware Removal (Mac)

To eliminate possible malware infections, scan your Mac with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.
▼ Download Combo Cleaner for Mac
To use full-featured product, you have to purchase a license for Combo Cleaner. Limited three days free trial available.

Apps that belong to the Pirrit adware family include PowerLog, PowerLift, OpticDaemon, LightAgent, DisplayUpdate, and MacPerformance. There are likely to be more. These apps cause similar problems: unwanted downloads/installations, problems with privacy, browsing safety, and so on. To avoid these issues, ensure that no adware is installed on the operating system or web browser.

How did Pirrit install on my computer?

Typically, people cause unwanted downloads and installations by clicking deceptive advertisements or when software developers add them to download or installation set-ups of other software. To trick people into downloading and installing unwanted apps through the set-ups of other software, developers hide information about additional downloads/installations in settings such as 'Custom', 'Advanced', and 'Manual'. When people download or install software without checking and changing these settings, they unintentionally grant permission for PUAs to be downloaded and installed.

How to avoid installation of potentially unwanted applications

The safest way to download software is via official websites. Other sources such as Peer-to-Peer networks (torrent clients, eMule, etc.), unofficial pages, third party downloaders and other similar channels/tools cannot be trusted. They are often used to distribute PUAs or even malware. Additionally, installations should not be performed through third party installers. If a download or installation setup contains 'Custom', 'Advanced' or other settings, do not leave them unchecked or unchanged. Generally, they contain offers to download and install unwanted apps - these offers should be dismissed before completing the download or installation process. It is not safe to click intrusive ads, especially if they are displayed on dubious pages, such as those relating to gambling, adult dating, pornography, and so on. These ads lead to potentially malicious pages or cause unwanted downloads/installations. To prevent your browser from showing unwanted ads and/or opening dubious websites, remove all unwanted extensions, add-ons, and plug-ins. The same should be applied to software of this type installed on the operating system. If your computer is already infected with Pirrit, we recommend running a scan with Combo Cleaner Antivirus for macOS to automatically eliminate this adware.

Fake Flash updater designed to install adware-type apps that belong to the Pirrit family:

Instant automatic Mac malware removal:Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of Mac malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner for MacBy 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. Limited three days free trial available.

Quick menu:

  • STEP 1. Remove Pirrit related files and folders from OSX.
  • STEP 2. Remove Pirrit ads from Safari.
  • STEP 3. Remove Pirrit adware from Google Chrome.
  • STEP 4. Remove Pirrit ads from Mozilla Firefox.

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

Pirrit adware removal:

Remove Pirrit-related potentially unwanted applications from your 'Applications' folder:

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.

Combo Cleaner checks if your computer is infected with malware. To use full-featured product, you have to purchase a license for Combo Cleaner. Limited three days free trial available.

Remove pirrit unwanted application related files and folders:

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

Check for adware-generated files in the /Library/LaunchAgents folder:

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


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 same string.

Check for adware generated files in the /Library/Application Support folder:

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


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

Check for adware-generated files in the ~/Library/LaunchAgents folder:

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

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 same string.

Check for adware-generated files in the /Library/LaunchDaemons folder:


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

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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.

Scan your Mac with Combo Cleaner:

If you have followed all the steps in the correct order you Mac should be clean of infections. To be sure 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 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 it's virus definition database and click 'Start Combo Scan' button.

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.

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

Pirrit unwanted application removal from Internet browsers:

Remove malicious extensions from Safari:

Remove pirrit unwanted application related Safari extensions:

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

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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 normal browser operation.

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

Remove malicious plug-ins from Mozilla Firefox:

Remove pirrit unwanted application related Mozilla Firefox add-ons:

Open your Mozilla Firefox browser. At the top right corner of the screen, click the 'Open Menu' (three horizontal lines) button. From the opened menu, choose 'Add-ons'.

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Choose the 'Extensions' tab and look for any recently-installed suspicious add-ons. When located, click the 'Remove' button next to it/them. Note that you can safely uninstall all extensions from your Mozilla Firefox browser - none are crucial for normal browser operation.

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

Remove malicious extensions from Google Chrome:

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Remove pirrit unwanted application related Google Chrome add-ons:

Open Google Chrome and click the 'Chrome menu' (three horizontal lines) button located in the top-right corner of the browser window. From the drop-down menu, choose 'More Tools' and select 'Extensions'.

In the 'Extensions' window, look for any recently-installed suspicious add-ons. When located, click the 'Trash' button next to it/them. Note that you can safely uninstall all extensions from your Google Chrome browser - none are crucial for normal browser operation.

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