How to remove This Mac Is Not Secure scam

Our entry contains all things you have to understand to delete pop-ups by This Mac Is Not Secure off your computer. We will also clarify to you how you can eliminate This Mac Is Not Secure from Macintosh, as well as from Safari, Chrome, Opera and Mozilla Firefox.

This Mac Is Not Secure

What is This Mac Is Not Secure

This Mac Is Not Secure is a fake alert aimed to scare user and make him buy untrusted program. If you only click on the window, you will be redirected to other malicious pages. We're going to go deeper into it in today's guide, and define the thing in detail. In case you've already had your experience with suchlike virus and know its manners of work - just examine the elimination tips at the end of the page and uninstall This Mac Is Not Secure from the workstation.


If you want to delete This Mac Is Not Secure and other similar programs, you'd better understand how they work and why they were developed. Their single goal is to show ads, and by displaying them to a customer and making him click them, This Mac Is Not Secure generates action on the sites it struggles to advertise. The majority of ads an undesired utility generates do not have a background behind them and were designed to lure you into attending the page, but some of them offer services. It’s quite a compliment to state that they are goods, by the way, as these are more likely to be called “bads” if you see our point. The thing with This Mac Is Not Secure’s ads is that they aren't true. If a webpage is advertised through adware, this clearly states that it is unable to take advantage of any legitimate service. It leads us to a conclusion that the webpage is somehow unapt to be boosted in a legal manner. And how would swindlers force people to pay for something like that? Of course, by an annoying advertising practices, i.e., making tons of banners pop up on peoples’ screens until they follow at least a single one.

How adware infects the system

The algorithms of penetration crucial realize, to protect your PC against adware. In most cases, there is at least a single Trojan on the laptop, which assists the other ones to get inside. Our job now is to explain how the undesired programs penetrate the brand new, protected computer. Unfortunately, you have the significant role in the penetration process. Here are three of the very effective manners to scam a potential victim into downloading This Mac Is Not Secure:

  • "Bundling". Following this method, a harmful program is mixed up with some other programs. All of them are either useless or perilous except one. Generally, the useful one is on the title, and the victim believes that he'll get it, but all he gets is the whole lot of trash. You should know that there is a point, during installation, when you can cancel the suggested installation way and reject the installation of advertisement tools. This is not the case when you may skip every window and forget about it. Just read the contents of the dialogue windows while you install free utilities, and keep out of suspicious programs.
  • Downright download. A lot of people install perilous programs thinking that they are reputable, and the best method to beat this is to understand how undesired utilities look like. Most often, they disguise themselves as useful utilities and pick the ones whose aims cannot be fully explained. These are all search utilities aiming to upgrade your browser or help you in finding anything starting with info on a specific topic and ending with "all best sales". Some swindlers like system optimization utilities and add-ons for social networks. If you see a suchlike utility – we advise you to find lots of comments regarding it on trusted sites prior to installing it.
  • Fake mailout. This manner is applied not as widely as the sponsored infection, still you cannot be too cautious with scammers. The point is that at times you get random letters from unidentified senders. It could be a mistake, but if this message contains any documents or links – do not open it. Following such a link or opening a document can follow the instant setup of god-knows-what onto your PC, and it may be way worse than This Mac Is Not Secure.

We believe that this guide helps you realize the ways of This Mac Is Not Secure infection, and avoid it.

How to remove This Mac Is Not Secure from your PC

Now it’s time to eliminate This Mac Is Not Secure forever. We have told you every single thing you should know about it, so if you abide by our advice, This Mac Is Not Secure won’t ever be able to infect your laptop. We have a single tip left to give: install an effective AV program. If you already have one – it’s really apparent that it isn’t working, since adware is in the laptop currently. There’s one more particularity regarding antiviruses you have to understand: you should never switch them off. Occasionally everyone gets those fake notification on the desktop, suggesting to disable an antivirus because it interferes from displaying some information. It’s regular adware that is trying to get to you. It's better to keep the AV tool always on and updated.

How to remove This Mac Is Not Secure

Step 1. Check recently added applications

  • Click Applications in the Finder sidebar
  • Drag unwanted program to the Trash
  • Empty Trash

Step 2. Clean the browser


  • Start Safari browser
  • Display a menu of General Safari Settings
  • Reset Safari...
  • Press "Reset"

Google Chrome

Remove unfamiliar add-on:

  • Customize and Control Google Chrome
  • More Tools
  • Extensions
  • Remove add-on


Change homepage:

  • Customize and Control Google Chrome
  • Settings
  • Open a specific page or set of pages
  • Delete all specific pages


Mozilla Firefox

Delete suspicious extensions:


  • Open menu
  • Add-ons
  • Extensions
  • Remove add-on


Change homepage:

  • Open menu
  • Options
  • Home
  • Choose “Blank page” into Homepage and new windows


Opera browser

Disable strange add-ons:

  • Open Opera;
  • Customize and Control Opera;
  • Extensions;
  • Choose add-on and press button "Disable"

Change homepage:

  • Open Opera browser;
  • Customize and Control Opera;
  • Settings;
  • On Startup;
  • Open a specific page or set of pages;
  • Press button "Add a new page" and change Homepage to your favorite one.


Step 3. Scan the system

Scan the system with antimalware scanner to delete virus completely.

Special Offer

Antivirus scanner for MAC

MACBooster Lite advantages:

Full Security Protection

Deep System Cleanup

Excellent Performance Boost

It's MACBooster trial version. To delete malware and fix system errors, you will need to purchase the license key for 39.95$. EULA, Privacy Policy and Uninstall steps.

Video how to reset browsers


This website uses cookies to improve your experience. If you continue using the site, we will assume that you accept our cookies policy.