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How to remove the LaserMacroKnowledge adware from your operating system

Also Known As: Ads by LaserMacroKnowledge
Type: Mac Virus
Damage level: Medium

What is LaserMacroKnowledge?

While inspecting new submissions to VirusTotal, we discovered the LaserMacroKnowledge application. After analyzing this piece of software, we determined that it is adware. It is pertinent to mention that this app is part of the AdLoad malware family.

LaserMacroKnowledge adware

LaserMacroKnowledge adware overview

Adware runs intrusive advertisement campaigns by displaying ads on various interfaces. These adverts push online scams, untrustworthy/harmful websites and software, and even malware. Furthermore, some intrusive advertisements can perform stealthy downloads/installations upon being clicked. Note that any genuine content encountered via these ads is most likely promoted by scammers abusing its affiliate programs in order to obtain illegitimate commissions.

Adware might require specific conditions to deliver intrusive ad campaigns (e.g., compatible browser/system, particular webpages visited, etc.). Even if LaserMacroKnowledge does not display adverts – its presence on a system threatens device and user safety.

What is more, this rogue application may have browser hijacker functionalities since they are common for AdLoad adware, although we did not observe such qualities during testing.

It is highly likely that LaserMacroKnowledge possesses data-tracking abilities. Information of interest can include: browsing and search engine histories, account log-in credentials, personally identifiable details, credit card numbers, and so forth. The gathered data can be monetized via sale to third-parties or otherwise abused for profit.

In summary, the presence of advertising-supported software like LaserMacroKnowledge on devices may lead to system infections, serious privacy issues, financial losses, and even identity theft.

Threat Summary:
Name Ads by LaserMacroKnowledge
Threat Type Adware, Mac malware, Mac virus
Detection Names Avast (MacOS:AdAgent-DH [Adw]), Combo Cleaner (Trojan.Generic.32491435), ESET-NOD32 (A Variant Of OSX/Adware.Synataeb.G), Kaspersky (Not-a-virus:HEUR:AdWare.OSX.Searchprox), Full List (VirusTotal)
Additional Information This application belongs to Adload malware 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), 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.
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 seven days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

Adware examples

We have analyzed countless adware samples; WorldWideProjectorDominantDisplay, and MomentTech are merely a few of our newest finds. Advertising-supported software tends to look harmless and offers various features. However, the functions seldom work as promised, and in most cases – they do not work at all.

How did LaserMacroKnowledge install on my computer?

"Bundling" – packing regular program installation setups with unwanted/malicious supplements – is used to proliferate adware. Download from dubious sources (e.g., freeware and third-party sites, Peer-to-Peer sharing networks, etc.) and rushed installations increase the risk of unintentionally permitting bundled content into the device.

Intrusive adverts are used to distribute this software as well. Once clicked on, some of the ads can execute scripts to perform downloads/installations without user permission. Fake Adobe Flash Player updaters/installers are also used in distribution.

Additionally, advertising-supported software can have "official" promotional pages, and it is endorsed on scam websites. Users typically access such webpages via redirects caused by sites using rogue advertising networks, spam browser notifications, mistyped URLs, intrusive advertisements, or installed adware (with browser force-opening abilities).

How to avoid installation of adware?

We strongly advise researching software before download/installation. Furthermore, all downloads must be performed from official and verified channels.

It is just as important to approach installation with care, e.g., by reading terms, inspecting possible options, using the "Custom/Advanced" settings, and opting-out of additional apps, extensions, tools, etc.

Another recommendation is to exercise caution while browsing since illegitimate and malicious content typically appears ordinary and innocuous. For example, intrusive adverts may look legitimate yet redirect to highly questionable websites (e.g., adult-dating, pornography, gambling, etc.).

If you experience such ads/redirects, inspect the system and immediately remove all suspicious applications and browser extensions/plug-ins. If your computer is already infected with LaserMacroKnowledge, we recommend running a scan with Combo Cleaner Antivirus for macOS to automatically eliminate this adware.

Pop-up window displayed once LaserMacroKnowledge adware's installation is over:

Pop-up displayed once LaserMacroKnowledge installation is complete

LaserMacroKnowledge adware's installation folder:

LaserMacroKnowledge adware install folder

Instant automatic Mac 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 Mac malware. 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. To use full-featured product, you have to purchase a license for Combo Cleaner. Limited seven days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

Quick menu:

Video showing how to remove LaserMacroKnowledge adware using Combo Cleaner:

LaserMacroKnowledge adware removal:

Remove LaserMacroKnowledge-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.

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 1Check 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 2Check 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 3Check 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 4Check 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 5Scan 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

Safari iconRemove 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.

Google Chrome logoRemove malicious extensions from Google Chrome:

Removal of malicious extensions in Google Chrome - step 1

Click the Chrome menu icon Google 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.

Mozilla Firefox logoRemove malicious extensions from Mozilla Firefox:

Removal of malicious extensions in Mozilla Firefox - step 1

Click the Firefox menu firefox menu icon (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?

Adware displays advertisements that promote deceptive/malicious content capable of causing various issues (e.g., system infections, financial losses, etc.). This software is also considered to be a threat to user privacy, as it usually has data-tracking functionalities.

What does adware do?

Adware stands for advertising-supported software. It operates by displaying adverts on visited websites and/or other interfaces. Additionally, some adware-types can cause redirects and collect vulnerable data.

How do adware developers generate revenue?

Adware generates revenue primarily through affiliate programs by promoting various websites, software, products, services, etc. The developers can earn commissions from ad clicks, site visits, file downloads, product purchases, service subscriptions, or similar.

Will Combo Cleaner remove LaserMacroKnowledge adware?

Yes, Combo Cleaner can scan devices and eliminate all adware-type applications present. It has to be mentioned that manual removal (unaided by security programs) might not be an ideal solution. In some cases, even after the advertising-supported software is manually removed – various components (files) remain hidden in the system. What is more, these remnants can continue running and causing issues. Hence, it is crucial to eliminate adware thoroughly.

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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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Malware activity

Global malware activity level today:

Medium threat activity

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

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To use full-featured product, you have to purchase a license for Combo Cleaner. Limited seven days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.