Mac Ads Cleaner: what it is and how to remove it

Mac Ads Cleaner is an adware program that only displays an excessive amount of commercial content but is not helpful at all as the optimization tool. This program classifies as typical PUP that infiltrates the system without users' consent and gives to potential value for them.

Facts checked October 7, 2026. Removal steps checked against Apple's current documentation and the security vendors' reports. We have not run the malware on a Mac. Sections marked as our earlier report are the original text: they describe the threat as it was then and have not been reviewed since. The 2026 status, the removal steps and the questions are current.

Automatic

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Mac Ads Cleaner: macadscleaner virus 1
Mac Ads Cleaner as our 2018 report showed it.

Mac Ads Cleaner: summary

Detection namesNo Microsoft detection name is known
DistributionNot recorded in the old report
DamageNot recorded in the old report
NameMac Ads Cleaner
TypeAd-supported program
SymptomsAn unknown program in Installed apps
Removal

Scan the Mac with security software to find the malware and anything installed with it. Fortect for Mac scans for malware and unwanted programs.

Remove it nowTo use the full-featured product, you have to purchase a license for Fortect. The scan is free.
Show 4 more facts
Evidence4 write-ups by security sites; details still limited
ProgramMac Ads Cleaner
First seen7 June 2018
Facts checked7 October 2026

Is Mac Ads Cleaner dangerous?

From our report of Jun 2018 · not reviewed since

Mac Ads Cleaner - a fake system optimization tool that is not helpful

Mac Ads Cleaner is an adware program that only displays an excessive amount of commercial content but is not helpful at all as the optimization tool.

This program classifies as typical PUP that infiltrates the system without users' consent and gives to potential value for them. According to the developers, Mac Ads Cleaner should provide many useful features, including virus removal; junk file cleaning and system scans.

However, these constant system scans display exaggerated threat messages that have nothing in common with real virus attacks because the free version of this virus is trying to sell its full version.

Therefore, developers of Mac Ads Cleaner spread this free program in order to increase the sales of the license. However, security specialists do not recommend paying for it. This tool is useless, and a free scan always shows false positives. If you need to check if your Mac OS X is not infected, use legitimate security software installed from the official developer's website.

Mac Ads Cleaner adware is very aggressive. After infiltration, it always runs in the background and delivers prompts asking to clean infections from Mac. Additionally, users often receive reports that installed web browsers are not insecure and needs cleaning too.

The program asks to clean cache, browsing history, downloads history and other related entries, but even if you do it so manually, it still shows the same alert. There's no doubt that it's scareware that needs to get out of your computer.

However, it's not easy to remove Mac Ads Cleaner. If you uninstall it, it tends to reappear after the system reboot. Though, reputable anti-malware tool like or should be used for proper adware elimination. It helps not only to clean this ad-supported app, but get rid of other related applications as well.

Moreover, while Mac Ads Cleaner virus application resides on the machine, you might also notice more suspicious activities. For instance, your browser might be flooded with strange commercial offers or warnings about outdated Flash. Usually, it promotes other questionable Mac software like:

None of these tools should be installed because they also have features of adware and scareware that are used only for promoting paid versions of the useless software. Fortunately, Mac Ads Cleaner removal helps to avoid accidental installation of unwanted apps, stops redirects to questionable sites and reduces the number of dangerous ads appearing while you browse on the Web.

We suggest you uninstall Mac Ads Cleaner as soon as possible because this ad-supported application might also be capable of tracking various information about you. These details might not only be used for advertising purposes but sold to unknown third-parties too. Thus, this may lead to privacy-related issues too.

  • Advanced Mac Cleaner
  • MacKeeper
  • Mac Tweaker
  • Mac Optimizer
  • Mac Mechanic
Mac Ads Cleaner: macadscleaner virus 1
Mac Ads Cleaner in our 2018 report.
Mac Ads Cleaner: macadscleaner adware 1
Mac Ads Cleaner in our 2018 report.

From our report of Jun 2018 · not reviewed since

More from our earlier report on Mac Ads Cleaner

  • Redirects to suspicious sites, intrusive ads
  • Mac Adware Cleaner, Advanced Mac Cleaner
  • Spreads with MPlayerX and 7zip unpacker
  • Best tool for Mac Ads Cleaner removal is
  • Mac Ads Cleaner is left-over garbage from the Advanced Mac Cleaner scumware, which I stupidly downloaded attached to a fake Flash update notification.
  • I thought I had deleted everything and the popups disappeared for a week or so.
  • I even did the latest OSX update to 10.12.3.
  • But today they showed up again.

How Mac Ads Cleaner got on your Mac

From our report of Jun 2018 · not reviewed since

Researchers from losvirus.es report that is adware usually spreads via MPlayerX and 7zip unpacker.

Thus, be careful when downloading this tools. However, taking precautions is important when installing any freeware or shareware. Free programs usually include additional components that can be easily opted out.

In order to avoid an unpleasant appearance of unknown apps, you need to use reliable download sources, read Terms and Conditions, and use Advanced/Custom installation settings. The last tip is very important because the majority of PUPs spread via bundling technique which allows hiding or silently installing when then a user relies on Quick/Standard settings that do not reveal what spreads attached with the primary program too.

Moreover, this Mac adware was noticed spreading with fake Flash updates. Thus, you need to remember that official software updates do not arrive in a form of pop-ups or ads in websites. Never click them to avoid infiltration of PUPs or malware.

How to remove Mac Ads Cleaner

How to remove Mac Ads Cleaner from a Mac

Remove the app and what starts it, then check the browsers.

  1. Step 1: Delete apps and downloads you did not intend to install

    Open the Applications folder and your Downloads folder. Drag any app you did not install, and any disk image (.dmg), installer (.pkg) or archive (.zip) that came from Mac Ads Cleaner or a site you do not trust, to the Bin, then empty the Bin.

    Also check ~/Library/Application Support for a folder with the same name as the app you removed.

  2. Step 2: Remove unknown login items and background items

    Open System Settings > General > Login Items & Extensions. Under Open at Login and Allow in the Background, switch off or remove anything you do not recognize, especially items whose developer is shown as an unknown name or that appeared on the day you ran the command.

    Then open Finder, choose Go > Go to Folder and check ~/Library/LaunchAgents, /Library/LaunchAgents and /Library/LaunchDaemons for property list (.plist) files you did not add. Drag suspicious ones to the Bin, then restart the Mac.

  3. Step 3: Check the browsers for extensions and changed settings

    In Safari open Settings > Extensions and General (homepage). In Chrome open chrome://extensions, in Firefox about:addons.

    Remove any extension you did not add, and reset the homepage and search engine if they changed. Browsers hold saved passwords and cookies, which is why the password step comes first.

  4. Step 4: Quit what is running that you do not recognize

    Open Activity Monitor (in Applications > Utilities, or search for it with Command + Space).

    In the CPU or Network tab, look for a process you did not install or whose name is random, select it, click the stop button (the octagon with an X) and choose Quit or Force Quit.

    Note the name first: you will look for the same name in the next steps. Malware that comes back after a restart is handled in the next two steps.

Instructions for each browser and system

The detailed steps for every browser and system this guide covers. Open the one you use.

Uninstall from Windows

Uninstall from Windows 10/8:

  1. Type Control Panel into the Windows search box and open the result.
  2. Under Programs, select Uninstall a program.Uninstall from Windows 10/8

Uninstall from Windows 7/XP:

  1. Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
  2. In Control Panel, select Programs > Uninstall a program.Uninstall from Windows 7/XP

Remove the unwanted program:

  1. In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
  2. If User Account Control appears, click Yes to confirm, then complete the removal.Uninstall the unwanted program from Windows
Remove from Google Chrome

Uninstall suspicious extension and reset Google Chrome to get rid of adware:

Delete malicious extensions from Google Chrome:

  1. Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
  2. In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.Remove extensions from Chrome

Clear cache and web data from Chrome:

  1. Click on Menu and pick Settings.
  2. Under Privacy and security, select Clear browsing data.
  3. Select Browsing history, Cookies and other site data, as well as Cached images and files.
  4. Click Clear data.Clear cache and web data from Chrome

Change your homepage:

  1. Click menu and choose Settings.
  2. Look for a suspicious site in the On startup section.
  3. Click on Open a specific or set of pages and click on three dots to find the Remove option.

Reset Google Chrome:

If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:

  1. Click on Menu and select Settings.
  2. In the Settings, scroll down and click Advanced.
  3. Scroll down and locate Reset and clean up section.
  4. Now click Restore settings to their original defaults.
  5. Confirm with Reset settings.Reset Chrome 2
Remove from Microsoft Edge

Delete unwanted extensions from MS Edge:

  1. Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
  2. From the list, pick the extension and click on the Gear icon.
  3. Click Remove.Remove extensions from Edge

Clear cookies and other browser data:

  1. Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
  2. Under Clear browsing data, pick Choose what to clear.
  3. Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.Clear Edge browsing data

Restore new tab and homepage settings:

  1. Click the menu icon and choose Settings.
  2. Then find On startup section.
  3. Click Remove next to any suspicious startup page.

Reset MS Edge if the above steps did not work:

  1. Press on Ctrl + Shift + Esc to open Task Manager.
  2. Click on More details arrow at the bottom of the window.
  3. Select Details tab.
  4. Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.Reset MS Edge
Instructions for Chromium-based Edge

Delete extensions from MS Edge (Chromium):

  1. Open Edge and click select Settings > Extensions.
  2. Delete unwanted extensions by clicking Remove.Remove extensions from Chromium Edge

Clear cache and site data:

  1. Click on Menu and go to Settings.
  2. Select Privacy, search and services.
  3. Under Clear browsing data, pick Choose what to clear.
  4. Under Time range, pick All time.
  5. Select Clear now.Clear browser data from Chroum Edge

Reset Chromium-based MS Edge:

  1. Click on Menu and select Settings.
  2. On the left side, pick Reset settings.
  3. Select Restore settings to their default values.
  4. Confirm with Reset.
  5. This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.Reset Chromium Edge
Remove from Mozilla Firefox (FF)

Follow these steps to get rid of Mac Ads Cleaner ads and the program-related components from Mozilla Firefox

Remove dangerous extensions:

  1. Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
  2. Select Add-ons.
  3. In here, select the unwanted extension and click Remove.Remove extensions from Firefox

Reset the homepage:

  1. Click three horizontal lines at the top right corner to open the menu.
  2. Choose Settings.
  3. Under Home, set your preferred homepage and new tab settings.

Clear cookies and site data:

  1. Click Menu and pick Settings.
  2. Go to Privacy & Security section.
  3. Scroll down to locate Cookies and Site Data.
  4. Click on Clear Data...
  5. Select Cookies and Site Data and Temporary cached files and pages, then click Clear.Clear cookies and site data from Firefox

Reset Mozilla Firefox

If clearing the browser as explained above did not help, reset Mozilla Firefox:

  1. Open Mozilla Firefox browser and click the Menu.
  2. Go to Help and then choose Troubleshooting Information.Reset Firefox 1
  3. Under Give Firefox a tune up section, click on Refresh Firefox...
  4. Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.Reset Firefox 2
Delete from Safari

This guideline will help to clean adware-related entries from Safari:

Remove dangerous extensions:

  1. Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
  2. Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.Remove extensions from Safari

Clear history and website data:

  1. Click Safari in the menu and pick Clear History.
  2. Set Clear to all history and confirm with Clear History.Clear history from Safari

Reset Safari:

  1. Click Safari in the menu and select Preferences > Advanced.
  2. Enable Show Develop menu in menu bar.
  3. From the menu bar, click Develop and select Empty Caches.Reset Safari
Delete from macOS

Eliminate Mac Ads Cleaner adware from your Mac

Remove the unwanted application:

  1. From the menu bar, select Go > Applications.
  2. In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).Uninstall from Mac

Delete leftover files and folders:

  1. Select Go > Go to Folder.
  2. Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
  3. Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.Delete leftover files from Mac
  4. Finally, empty the Trash to permanently remove the leftovers.
Reset Internet Explorer

Remove dangerous add-ons:

  1. Open Internet Explorer, click on the Gear icon (IE menu) on the top-right corner of the browser
  2. Pick Manage Add-ons.
  3. You will see a Manage Add-ons window. Here, look for suspicious plugins. Click on these entries and select Disable.Remove add-ons from Internet Explorer

Change your homepage if it was altered:

  1. Open IE and click on the Gear icon.
  2. Select Internet Options.
  3. In the General tab, delete the Home page address and replace it by your preferred one (for example, Google.com).
  4. Click Apply and then select OK.Reset IE homepage

Delete temporary files:

  1. Press on the Gear icon and select Internet Options.
  2. Under Browsing history, click Delete...
  3. Select relevant fields and press Delete.Clear temporary files from Internet Explorer

Reset Internet Explorer:

  1. Click on Gear icon > Internet options and select Advanced tab.
  2. Select Reset.
  3. In the new window, check Delete personal settings and select Reset.Reset Internet Explorer

Access your website securely from any location

When you work on the domain, site, blog, or different project that requires constant management, content creation, or coding, you may need to connect to the server and content management service more often. The best solution for creating a tighter network could be a dedicated/fixed IP address.

If you make your IP address static and set to your device, you can connect to the CMS from any location and do not create any additional issues for the server or network manager that needs to monitor connections and activities. VPN software providers like can help you with such settings and offer the option to control the online reputation and manage projects easily from any part of the world.

Recover files after data-affecting malware attacks

While much of the data can be accidentally deleted due to various reasons, malware is one of the main culprits that can cause loss of pictures, documents, videos, and other important files.

More serious malware infections lead to significant data loss when your documents, system files, and images get encrypted. In particular, ransomware is is a type of malware that focuses on such functions, so your files become useless without an ability to access them.

Even though there is little to no possibility to recover after file-locking threats, some applications have features for data recovery in the system. In some cases, can also help to recover at least some portion of your data after data-locking virus infection or general cyber infection.

From our report of Jun 2018 · not reviewed since

Eliminate Mac Ads Cleaner and similar programs from the device

To remove Mac Ads Cleaner, you need to use anti-malware tools.

As we have mentioned, adware is capable of coming back. It is capable of altering system settings and hiding its components in the system, so manual elimination is quite difficult. However, if you insist on manual removal, you can find the guide below.

If you decide to opt for manual Mac Ads Cleaner removal, we want to stress out that you should also reset Google Chrome, Safari, and Mozilla Firefox. The latter browser is reported of the most affected one. If you followed our instructions attentively, but this annoying app or its ads show up again, please do not hesitate and use anti-malware tools to clean its leftovers.

This guideline will help to clean adware-related entries from Safari:

Questions about Mac Ads Cleaner

What is Mac Ads Cleaner and why is it on my PC?

Mac Ads Cleaner is a program that was installed on the PC, most likely together with something else you downloaded. Free software sites and many installers add extra programs on setup pages with pre-ticked boxes, so the extra install looks like your choice even though nobody read the page.

Check the install date in Settings, Apps, Installed apps: the program you installed that day is the probable carrier. If you do not need Mac Ads Cleaner, uninstall it. If it belongs to your hardware or to a program you use, search its exact name and publisher first, because drivers and their tools can have unfamiliar names.

Mac Ads Cleaner came back after I uninstalled it. Why?

Something else is reinstalling it. Common causes are a second program from the same publisher, a scheduled task that downloads it again, or a browser extension that keeps prompting for it. Sort Installed apps by install date and uninstall each entry from the same day that you did not choose.

Then open Task Scheduler and look in the Task Scheduler Library for tasks with updater-style names that you do not recognise. Check Startup apps in Task Manager too. If Mac Ads Cleaner still returns, start Windows in Safe Mode, uninstall it there and run a Microsoft Defender offline scan, which looks for loaders that ordinary scans can miss.

Mac Ads Cleaner has no uninstaller. What now?

Some adware does not register itself properly, or its uninstaller only opens a web page. First try Settings > Apps > Installed apps and the older Control Panel > Programs and Features; one may list it when the other does not.

If neither works, disable its entry in Task Manager > Startup apps, restart, and run a Microsoft Defender full scan and offline scan, which remove known adware files. Then, if anything is left, delete the folder it ran from, which you can find by right-clicking the process in Task Manager and choosing Open file location.

Can adware slow down my PC?

Yes. Adware runs in the background, loads ad scripts, opens extra tabs and contacts its servers, all of which use processor time, memory and bandwidth. Ad-heavy extensions also slow down every page, because they inspect and change it before you see it.

The effect is strongest on older PCs and when several adware programs arrived together. After removal, restart the PC and check Task Manager for anything still using a lot of resources that you do not recognise. Speed usually returns to normal once the ads stop.

Does adware steal passwords?

Ordinary adware is built to show ads, not to steal logins, and most of it never touches saved passwords. The line is blurry, though. Extensions that can read every page could capture what you type, and adware ads sometimes lead to phishing pages that ask for passwords directly.

If you entered credentials on a page reached through an ad, change that password from a clean device and turn on two-step verification. Otherwise, removing ad-supported program and clearing cookies is usually enough.

I clicked on one of the ads. Am I infected?

Probably not. Clicking an ad usually only opens a page, and a page cannot install programs on an up-to-date Windows PC without your help.

You are at risk only if you then downloaded and ran a file, allowed notifications, entered card or login details, or called a phone number shown on the page. Delete any download and run a full and offline scan.

Change passwords you typed, from a clean device. Call your bank if you gave card details. If you called a number or allowed remote access, see the next question.

Why didn't my antivirus catch Mac Ads Cleaner?

Many security products do not block adware or notification sites by default, because users often agreed to them, even through a misleading prompt. Notification spam installs nothing at all, so there is no file to detect.

In Windows 11 you can make Microsoft Defender block potentially unwanted apps: open Windows Security > App & browser control > Reputation-based protection settings and turn on Potentially unwanted app blocking. If notifications caused the pop-ups, no scanner will report them; the fix is in the browser's site settings.

An ad showed a phone number and I called it. What now?

The number belongs to scammers, not to Microsoft or an antivirus company. If you only talked, hang up and do not call back. If you let them connect to the PC, disconnect it from the internet, uninstall the remote access program they used, such as AnyDesk, TeamViewer, ScreenConnect or UltraViewer, and run a full and offline scan.

If you paid or gave bank details, call your bank at once on the number printed on your card. Change any passwords you typed while they were connected, and report the call.

Will Fortect remove Mac Ads Cleaner?

Fortect for Mac scans for malware and unwanted programs, and its free scan shows what it finds on your Mac before you decide anything.

For Mac Ads Cleaner, follow the plan on this page as well: removing a launch item or an app is done in macOS itself, and a scanner cannot undo what was typed or entered on the infected Mac, such as saved passwords that were copied.

Change your passwords from another device first, and if the page tells you to erase the Mac, a scan is not a substitute. The free scan costs nothing and the full-featured product needs a license.

Sources

  1. Wikipedia: Potentially unwanted program (read October 7, 2026)
  2. Los virus: Los virus (read October 7, 2026)
  3. Google Chrome Help: Use notifications to get alerts (no longer online) (read October 7, 2026)
  4. FTC: How to recognize, remove and avoid malware (read October 7, 2026)
  5. Microsoft Learn: Microsoft Defender Offline (read October 7, 2026)

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