Remove "Ads By MacSmart" Virus From Apple Mac OS X

MacSmart is an adware program for Apple Mac OS X, that displays pop-up ads and advertisements on web pages that you visit. These advertisements will be shown as boxes containing various coupons that are available, as underlined keywords, pop-up ads or advertising banners.

What is MacSmart?

MacSmart is advertised as a program that displays coupons for sites you are visiting and competitive prices when you are viewing product pages at sites like Amazon. Though this may sound like a useful service, the MacSmart application can be intrusive and will display ads whether you want them to or not.
When installed, the MacSmart application will display advertising banners, pop-up advertisements and in-text ads, stating that they are brought to you by “MacSmart”.
These ads are aimed to promote the installation of additional questionable content including web browser toolbars, optimization utilities and other products, all so the MacSmart publisher can generate pay-per-click revenue.
When infected with MacSmart the common symptoms include:

Advertising banners are injected with the web pages that you are visiting.
Random web page text is turned into hyperlinks.
Browser popups appear which recommend fake updates or other software.
Other unwanted adware programs might get installed without the user’s knowledge.

How did got MacSmart on my computer?

MacSmart is an adware program that is commonly bundled with other free programs that you download off of the Internet.
Unfortunately, some free downloads do not adequately disclose that other software will also be installed and you may find that you have installed MacSmart without your knowledge. MacSmart is typically added when you install another free software that had bundled into their installation this adware program. Most commonly MacSmart is bundled within the installers from Cnet, Softonic or other similar custom third-party installers.

You should always pay attention when installing software because often, a software installer includes optional installs, such as this MacSmart adware. Be very careful what you agree to install.
Always opt for the custom installation and deselect anything that is not familiar, especially optional software that you never wanted to download and install in the first place.
It goes without saying that you should not install software that you don’t trust.

MacSmart Overview:

MacSmart will inject pop-up ads, advertising banners and in-text ads within your web browser
Adware detected in the MacSmart program
Integrates into the web browser via the MacSmart browser extension
Typically distributed through a pay-per-install bundle or with third-party software (example: CNET installer, Softonic Installer, InstallRex installer and many more)
MacSmart has a poor reputation within the MalwareTips Community

How to remove “Ads by MacSmart” from Mac OS X (Removal Guide)

This page is a comprehensive guide, which will remove “MacSmart” virus from your computer, and any other adware program that may have been installed during the setup process.
Please perform all the steps in the correct order. If you have any questions or doubt at any point, STOP and ask for our assistance.
STEP 1: Uninstall MacSmart application from your MAC OS X
STEP 2: Remove “Ads by MacSmart” from Safari, Google Chrome and Firefox
STEP 3: Remove “Ads by MacSmart” adware with avast! Free Antivirus for Mac

STEP 1: Uninstall MacSmart application from your MAC OS X

In this first step, we will search and remove all the MacSmart files from your machine.

Click on the “Go” button, then select “Applications”.
When the Application folder will open, search for the MacSmart application. Either drag the application icon to the Trash, or right-click and select “Move to Trash”.

If your having issues finding the MacSmart malicious application, you can perform a scan with the “Adware Removal Tool (Download Link)” from The Safe Mac.

STEP 2: Remove “Ads by MacSmart” from Safari, Google Chrome and Firefox

If you are still experiencing issues with “Ads by MacSmart” virus within Safari, Firefox or Chrome, we will need to remove the MacSmart browser extension. This step needs to be performed only if your issues have not been solved by the previous steps.

Remove “Ads by MacSmart” from Safari

From the Safari menu, select “Preferences”.
In the Safari Preferences window, click the “Extensions” tab. Find the “MacSmart” plugin, then click on the “Uninstall” button.

Remove “Ads by MacSmart” from Google Chrome

In Chrome adress bar, type chrome://extensions
On the Extensions window, remove the MacSmart and any other unknown extensions by clicking the trash can icon.

Remove “Ads by MacSmart” from Firefox

In the upper-right corner of the Firefox window, click the Firefox menu button (), then click “Add-ons“.
Select the Extensions tab, then remove MacSmart and any other unknown extensions from Mozilla Firefox.

STEP 3: Remove “Ads by MacSmart” adware with avast! Free Antivirus for Mac

Avast Antivirus is a a powerful antivirus for Mac which will detect and remove the MacSmart adware from your Apple Mac OS X.

You can download avast! Free Antivirus for Mac utility from the below link.
AVAST FREE ANTIVIRUS FOR MAC DOWNLOAD LINK (This link will open a new web page from where you can download “avast! Free Antivirus”)
After downloading avast Antivirus for Mac, double-click the downloaded file ‘avast_free_antivirus_mac_setup.dmg‘.
In the new window double-click on ‘avast!.pkg’ file and follow the instructions on the displayed window ( read AVAST End User License Agreement, click ‘Agree‘, and then click ‘Install’ to complete the installation then press ‘Close’.
When the Avast Antivirus will start, perform a “Full System Scan” to remove MacSmart adware from your Mac OS X.
Avast will remove MacSmart virus from Apple Mac OS X, and furthermore Avast Antivirus will protect your Mac OS X from future infection.

Your Apple Mac OS X should now be free of any adware infection. If you are still experiencing problems while trying to remove adware from your machine, please start a new thread in our Malware Removal Assistance forum.

10 Rules to Avoid Online Scams

Here are 10 practical safety rules to help you avoid malware, online shopping scams, crypto scams, and other online fraud. Each tip includes a quick “if you already got hit” action.

Stop and verify before you click, log in, download, or pay.

Most scams win by creating urgency. Verify using a trusted method: type the website address yourself, use the official app, or call a known number (not the one in the message).

If you already clicked: close the page, do not enter passwords, and run a malware scan.
Keep your operating system, browser, and apps updated.

Updates patch security holes used by malware and malicious ads. Turn on automatic updates where possible.

If you saw a scary “update now” pop-up: close it and update only through your device settings or the official app store.
Use layered protection: antivirus plus an ad blocker.

Antivirus helps block malware. An ad blocker reduces scam redirects, phishing pages, and malvertising.

If your browser is acting weird: remove unknown extensions, reset the browser, then run a full scan.
Install apps, software, and extensions only from official sources.

Avoid cracked software, “keygens,” and random downloads. During installs, choose Custom/Advanced and decline bundled offers you do not recognize.

If you already installed something suspicious: uninstall it, restart, and scan again.
Treat links and attachments as untrusted by default.

Phishing often impersonates delivery services, banks, and popular brands. If it is unexpected, do not open attachments or log in through the message.

If you entered credentials: change the password immediately and enable 2FA.
Shop safely: research the store, then pay with protection.

Be cautious with brand-new stores, “closing sale” stories, and prices that make no sense. Prefer credit cards or PayPal for dispute options. Avoid wire transfers, gift cards, and crypto payments.

If you already paid: contact your card issuer or PayPal quickly to dispute the transaction.
Crypto rule: never pay a “fee” to withdraw or recover money.

Common patterns include fake profits, then “tax,” “gas,” or “verification” fees. Another is a “recovery agent” who demands upfront crypto.

If you already sent crypto: stop paying, save evidence (wallet addresses, TXIDs, chats), and report the scam to the platform used.
Secure your accounts with unique passwords and 2FA (start with email).

Use a password manager and unique passwords for every account. Enable 2FA using an authenticator app when possible.

If you suspect an account takeover: change passwords, sign out of all devices, and review recent logins and recovery settings.
Back up important files and keep one backup offline.

Backups protect you from ransomware and device failure. Keep at least one backup on an external drive that is not always connected.

If you suspect infection: do not connect backup drives until the system is clean.
If you think you are a victim: stop losses, document evidence, and escalate fast.

Move quickly. Speed matters for disputes, account recovery, and limiting damage.
- Stop payments and contact: do not send more money or respond to the scammer.
- Call your bank or card issuer: block transactions, replace the card if needed, and start a dispute or chargeback.
- Secure your email first: change the email password, enable 2FA, and remove unfamiliar recovery options.
- Secure other accounts: change passwords, enable 2FA, and log out of all sessions.
- Scan your device: remove suspicious apps or extensions, then run a full malware scan.
- Save evidence: screenshots, emails, order pages, tracking pages, wallet addresses, TXIDs, and chat logs.
- Report it: to the payment provider, marketplace, social platform, exchange, or wallet service involved.

These rules are intentionally simple. Most online losses happen when decisions are rushed. Slow down, verify independently, and use payment methods and account controls that give you recourse.

6 thoughts on “Remove “Ads by MacSmart” virus from Apple Mac OS X”

Thatiana

February 8, 2015 at 20:05

Obrigada!!
noel

January 5, 2015 at 14:43

thank u it works !
Sam

December 13, 2014 at 17:30

Thank you so much, I had no idea how to even start removing this virus from my Mac – your advice worked perfectly.
Lauren

November 27, 2014 at 05:46

YOU FIXED IT! I LOVE YOU WONDERFUL HUMAN BEING! I was literally in tears because I already had adblock plus and was nearly ready to reset everything to factory, which would’ve sucked majorly to say the least. What horrible villainous leech would invent such a terrible ad system as “MacSmart” with the sole intention of making Mac owners tear their hair out like this?
Javier Flores Comettant

September 4, 2014 at 19:24

Thanks for your post, it helped me completely, there are no traces of adware, simply step number one run in its entirety. Not found in applications but use the link there if you left if I did not find (Adware Removal Tool) and finally found it and was a vidx or xvid, something like that.

I was very worried about this, I was afraid for my computer :(((

I attached before and after!
- Stelian Pilici
  
  September 5, 2014 at 05:38
  
  Hello,
  Yes, VidX is a known malicious extension. ; D
  
  Stay safe!