Uninstall adware belonging to the Pirrit family

Also Known As: Pirrit unwanted application
Type: Mac Virus
Distribution: Low
Damage level: Medium

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).

Pirrit adware

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.

Threat Summary:
Name Pirrit unwanted application
Threat Type Mac 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)
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), fake flash player installers, torrent file downloads.
Damage Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites, loss of private information.
Removal

To eliminate Pirrit unwanted application our malware researchers recommend scanning your computer with Combo Cleaner.
▼ Download Combo Cleaner
Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Combo Cleaner.

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:

fake flash player updater distributing adware from Pirrit family

Instant automatic removal of Pirrit unwanted application: 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 Pirrit unwanted application. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner for Mac By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Combo Cleaner.

Quick menu:

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:

mac browser hijacker removal from 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.

Remove pirrit unwanted application related files and folders:

Finder go to folder command

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

step1Check for adware-generated files in the /Library/LaunchAgents folder:

removing adware from launch agents folder step 1

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

removing adware from launch agents folder 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 same string.

step2Check for adware generated files in the /Library/Application Support folder:

removing adware from application support folder step 1

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

removing adware from application support folder 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.

step3Check for adware-generated files in the ~/Library/LaunchAgents folder:

removing adware from ~launch agents folder step 1


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

removing adware from ~launch agents folder 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 same string.

step4Check for adware-generated files in the /Library/LaunchDaemons folder:

removing adware from launch daemons folder step 1
In the Go to Folder... bar, type: /Library/LaunchDaemons

removing adware from launch daemons folder 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.

step 5 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.

scan-with-combo-cleaner-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.

scan-with-combo-cleaner-2

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:

safari browser iconRemove malicious extensions from Safari:

Remove pirrit unwanted application related Safari extensions:

safari browser preferences

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

safari extensions window

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.

firefox browser iconRemove malicious plug-ins from Mozilla Firefox:

Remove pirrit unwanted application related Mozilla Firefox add-ons:

accessing 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".

removing malicious add-ons from mozilla firefox

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.

chrome-browser-iconRemove malicious extensions from Google Chrome:

Remove pirrit unwanted application related Google Chrome add-ons:

removing malicious google chrome extensions step 1

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".

removing malicious Google Chrome extensions step 2

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.

About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Removal Instructions in other languages
Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

QR Code
Pirrit unwanted application QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of Pirrit unwanted application on your mobile device.
We Recommend:

Get rid of Pirrit unwanted application today:

▼ REMOVE IT NOW with Combo Cleaner for Mac

Platform: macOS

Editors' Rating for Combo Cleaner:
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Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Combo Cleaner.