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How to uninstall AddUpgrade adware

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

What is AddUpgrade?

The AddUpgrade program is classified as adware and potentially unwanted application (PUA). After installation, adware-type applications feed users with advertisements and collect user-system information. Applications such as AddUpgrade are classified as PUAs, since people often download and install them inadvertently.

AddUpgrade adware

Typically, software such as AddUpgrade serve advertisements displayed in the form of banners, pop-ups, coupons, surveys, and so on. People who click these ads tend to arrive at untrusted, potentially malicious websites or allow the ads to run scripts designed to cause download/installation of PUAs.

AddUpgrade operates as adware and a browser hijacker: it is designed to promote the akamaihd.net address by changing browser settings. Typically, apps of this type promote fake search engines by modifying settings such as the address of the default search engine, homepage, and new tab.

These search engines often provide results generated by other search engines. Note that akamaihd.net redirects users to search.yahoo.com (or to the Safe Finder website which, in turn, redirects to Yahoo) and provides results generated by Yahoo. Adware often collects user/system information relating to browsing habits.

For example, geolocations, entered search queries, addresses of visited pages, IP addresses, etc. Research shows that AddUpgrade records personal, sensitive information such as passwords, credit card details, telephone numbers. Developers generate revenue by selling the data to third parties (potentially, cyber criminals) who misuse it in other ways.

People who have AddUpgrade installed on browsers or operating systems risk becoming victims of identity theft, suffering monetary loss, experiencing problems relating to browsing safety, privacy, and other serious issues. Therefore, remove AddUpgrade and other apps of this type from the browser and computer immediately.

Threat Summary:
Name Ads by AddUpgrade
Threat Type Adware, Mac malware, Mac virus.
Detection Names Avast (MacOS:Adload-AB [Trj]), AVG (MacOS:Adload-AB [Trj]), ESET-NOD32 (A Variant Of OSX/Adware.Didnarbois.A), Sophos AV (Adloadr (PUA)), Full List (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.
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.

ProcessLocator, SoloProcess, and BrowserProduct are example of other adware-type applications. There are many others online. Most feed users with advertisements and track information. They deliver no value and can lead to serious problems. For these reasons, adware should never be downloaded or installed.

How did AddUpgrade install on my computer?

Developers distribute PUAs by including them into the download/installation set-ups of other software. In most cases, offers to download or install potentially unwanted apps can be found in "Advanced", "Custom" and other similar settings.

Many users fail to check and change these settings - by leaving default settings unchanged, they often allow additional PUAs to be downloaded and installed together with the required software. PUAs are also installed through deceptive ads that run certain scripts, however, this cannot happen unless the ads are clicked.

How to avoid installation of potentially unwanted applications

People who download and install software through untrusted sources such as third party downloaders, installers, Peer-to-Peer networks such as torrent clients, eMule, unofficial pages, etc., often download and install PUAs as well. Therefore, all software should be downloaded from official pages and via direct download links.

Check all download and installation settings such as "Advanced", "Custom", and "Manual" and dismiss offers to download or install additional, unwanted software before finishing the process. Intrusive advertisements displayed on dubious web pages often open potentially malicious pages.

They can also cause unwanted downloads and installations. For these reasons, do not click these ads. Remove any unwanted extensions, add-ons and plug-ins already installed on the browser immediately. The same should be applied to programs of this kind that are installed on the operating system.

If your computer is already infected with AddUpgrade, we recommend running a scan with Combo Cleaner Antivirus for macOS to automatically eliminate this adware.

AddUpgrade causing redirects to the Safe Finder website (via akamaihd.net), which then redirects to search.yahoo.com:

addupgrade redirects to search yahoo.com through akamaihd.net

Pop-up window displayed once AddUpgrade installation is complete:

pop-up displayed once AddUpgrade installation is done

AddUpgrade installation folder and its contents:

addupgrade adware folder

AddUpgrade installed on Safari browser:

addupgrade adware installed on safari 

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 AddUpgrade adware using Combo Cleaner:

AddUpgrade adware removal:

Remove AddUpgrade-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 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.

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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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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
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