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Remove Mac OS X is infected (4) by viruses (Tutorial) - Virus Removal Guide

removal by Linas Kiguolis - - | Type: Adware

Mac OS X is infected (4) by viruses – scareware which appears on Mac devices only

Mac OS X is infected (4) by viruses scam

Mac OS X is infected (4) by viruses is a rogue pop-up message which tries to scare Mac users. This suspicious notification usually appears on questionable third-party websites or is displayed by a potentially unwanted program that installed on the user's computer system unknowingly. Mac OS X is infected (4) by viruses pop-up scam is very similar to other scareware that appears on Mac machines. For example, Your Mac is infected with 3 viruses is one of them. These unpleasant applications are created by developers to fulfill their beneficial expectations. The user which experiences such pop-up receives a dubious message which claims that the Mac OS X system is infected with 4 viruses and fixing is crucial. An “OK” button is planted in the pop-up and once clicked it opens another window which is named “Security Recommendations for Macs”.

Name Mac OS X is infected (4) by viruses
Type Scam
Sub-type PUP/Adware
Target Mac OS X machines
Purpose To scare users and convince them to install rogue tools
Similarities This app is similar to Your Mac is infected with 3 viruses
Distribution Unsafe sites, bundled software, etc.
Detection tools Reimage Reimage Cleaner Intego software

Mac OS X is infected (4) by viruses might try to trick you into scanning the computer system with rogue security tools or installing questionable programs such as fake system optimization tools that “ensure the safety of your personal data”, “will fix all system-related issues”, “optimize your computer”, “delete malicious components”, etc.

Mac OS X is infected (4) by viruses is considered to be scareware[1] due to its threatening position. Once the user is infected with the potentially unwanted program or he/she enters a dubious site which launches the pop-up message, this type of note appears:

Your Mac OS X is infected (4) by viruses and Your system is damaged, You must clean the system from viruses, as quick as possible! Do not ignore this warning!

Once you receive the Mac OS X is infected (4) by viruses pop-up message, make sure that you do not accidentally or intentionally click on the “OK” button. Rather than that, close the window which is displaying the rogue scamming note and continue looking for any signs of the scam on your Mac OS X computer.

If the scareware shows only on a particular website, it is okay. No potentially unwanted application should be bothering you. However, if you keep seeing the dubious pop-up message frequently, receiving numerous pop-up ads that promote rogue security software,[2] experiencing frequent redirecting, you need to remove Mac OS X is infected (4) by viruses from your Mac.

Before you complete the Mac OS X is infected (4) by viruses removal from your computer system and its components, you should use a PUP detection tool first. Try a program such as Reimage Reimage Cleaner Intego or SpyHunter 5Combo Cleaner to detect all hidden software and adware-related content. Make sure to view browsers such as Chrome, Firefox, Edge, Explorer, and Safari also.

Mac OS X is infected (4) by viruses scarewareMac OS X is infected (4) by viruses is scareware which might try to convince you to install rogue security software

Potentially unwanted applications show up after unsafe downloads

According to cybersecurity specialists,[3] potentially unwanted programs are sneaky apps which infiltrate the system without the user even noticing. However, this mostly happens to careless users who skip downloading steps, install software from third-party sources, like visiting unprotected websites, pay to less attention to their browsing activities, etc.

If you are keen on protecting yourself and your computer system from adware,[4] scareware, and other potentially unwanted applications, you should know a few things:

  • by visiting rogue and protection-lacking websites you increase the risk of getting infected by suspicious apps;
  • choosing Recommended or Quick installation modes allow rogue content to infiltrate your system unnoticed;
  • lacking automatical protection your computer system becomes more vulnerable to various infections.

Mac OS X is infected (4) by viruses scam can be removed with automatical tools

Scamming and scareware programs might appear only on suspicious pages, however, in some cases, these potential threats can be the cause of a potentially unwanted program. If you have been experiencing suspicious pop-ups frequently, make sure that you take fast actions and remove Mac OS X is infected (4) by viruses from your Mac computer system.

If you think that you are skilled enough to perform the Mac OS X is infected (4) by viruses removal without any help of automatical software, you can use our below-provides step-by-step guide which will help you throughout the manual removal process. Do not forget to check web browsers for adware-related signs too.

You may remove virus damage with a help of Reimage Reimage Cleaner Intego. SpyHunter 5Combo Cleaner and Malwarebytes are recommended to detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

do it now!
Reimage Happiness
Intego Happiness
Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage Intego, submit a question to our support team and provide as much details as possible.
Reimage Intego has a free limited scanner. Reimage Intego offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Intego, try running Combo Cleaner.

To remove Mac OS X is infected (4) by viruses, follow these steps:

Delete Mac OS X is infected (4) by viruses from Mac OS X system

These instructions will help you to get rid of the potentially unwanted application and all its hidden components from your Mac OS X computer system:

  1. If you are using OS X, click Go button at the top left of the screen and select Applications. Cick 'Go' and select 'Applications'
  2. Wait until you see Applications folder and look for Mac OS X is infected (4) by viruses or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on every malicious entry and select 'Move to Trash'

Get rid of Mac OS X is infected (4) by viruses from Internet Explorer (IE)

Erase all dubious extensions from the Internet Explorer browsing app. Take a look at these guidelines to get a clearer view of the manual elimination technique:

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 Mac OS X is infected (4) by viruses and other 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,
  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 again to complete Mac OS X is infected (4) by viruses removal.Reset Internet Explorer

Uninstall Mac OS X is infected (4) by viruses from Microsoft Edge

Get rid of all suspicious-looking content from your Microsoft Edge web browser. If help is needed, take a look at these instructing steps:

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 Mac OS X is infected (4) by viruses-related extension and click on the Gear icon.
  3. Click on Uninstall at the bottom.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 Privacy & security.
  2. Under Clear browsing data, pick Choose what to clear.
  3. Select everything (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.Clear Edge browsing data

Reset MS Edge if that 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

If this solution failed to help you, you need to use an advanced Edge reset method. Note that you need to backup your data before proceeding.

  1. Find the following folder on your computer: C:\\Users\\%username%\\AppData\\Local\\Packages\\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  2. Press Ctrl + A on your keyboard to select all folders.
  3. Right-click on them and pick DeleteAdvanced MS Edge reset 1
  4. Now right-click on the Start button and pick Windows PowerShell (Admin).
  5. When the new window opens, copy and paste the following command, and then press Enter:

    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\\AppXManifest.xml” -VerboseAdvanced MS Edge reset 2

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 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.Reset Chromium Edge

Erase Mac OS X is infected (4) by viruses from Mozilla Firefox (FF)

You can clean and refresh your Mozilla Firefox web browser with the help of these instructing steps:

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 plugins that are related to Mac OS X is infected (4) by viruses and click Remove.Remove extensions from Firefox

Clear cookies and site data:

  1. Click Menu and pick Options.
  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, as well as Cached Web Content and press Clear.Clear cookies and site data from Firefox

In case Mac OS X is infected (4) by viruses did not get removed after following the instructions above, 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 – this should complete Mac OS X is infected (4) by viruses removal.Reset Firefox 2

Remove Mac OS X is infected (4) by viruses from Google Chrome

If the rogue application has managed to include some questionable content in your Google Chrome web browser, use these instructions to get rid of all adware-related components:

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 the suspicious plugins that might be related to Mac OS X is infected (4) by viruses 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

If the above-methods did not help you, reset Google Chrome to eliminate all the Mac OS X is infected (4) by viruses-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 to complete Mac OS X is infected (4) by viruses removal.Reset Chrome 2

Eliminate Mac OS X is infected (4) by viruses from Safari

Spotting unknown browser-extensions, add-ons, or plug-ins in your Safari browser app is definitely not a good thing. You can erase all these components by using this helping guide:

Remove unwanted extensions from Safari:

  1. Click Safari > Preferences…
  2. In the new window, pick Extensions.
  3. Select the unwanted extension related to Mac OS X is infected (4) by viruses and select Uninstall.Remove extensions from Safari

Clear cookies and other website data from Safari:

  1. Click Safari > Clear History…
  2. From the drop-down menu under Clear, pick all history.
  3. Confirm with Clear History.Clear cookies and website data from Safari

Reset Safari if the above-mentioned steps did not help you:

  1. Click Safari > Preferences…
  2. Go to Advanced tab.
  3. Tick the Show Develop menu in menu bar.
  4. From the menu bar, click Develop, and then select Empty Caches.Reset Safari

Do not let government spy on you

The government has many issues in regards to tracking users' data and spying on citizens, so you should take this into consideration and learn more about shady information gathering practices. Avoid any unwanted government tracking or spying by going totally anonymous on the internet. 

You can choose a different location when you go online and access any material you want without particular content restrictions. You can easily enjoy internet connection without any risks of being hacked by using Private Internet Access VPN.

Control the information that can be accessed by government any other unwanted party and surf online without being spied on. Even if you are not involved in illegal activities or trust your selection of services, platforms, be suspicious for your own security and take precautionary measures by using the VPN service.

Backup files for the later use, in case of the malware attack

Computer users can suffer various losses due to cyber infections or their own faulty doings. Software issues created by malware or direct data loss due to encryption can lead to problems with your device or permanent damage. When you have proper up-to-date backups, you can easily recover after such an incident and get back to work.

It is crucial to create updates to your backups after any changes on the device, so you can get back to the point you were working on when malware changes anything or issues with the device causes data or performance corruption. Rely on such behavior and make file backup your daily or weekly habit.

When you have the previous version of every important document or project you can avoid frustration and breakdowns. It comes in handy when malware occurs out of nowhere. Use Data Recovery Pro for the system restoring purpose.

About the author
Linas Kiguolis
Linas Kiguolis - Expert in social media

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