What Is MajorDeviced Mac Virus?
If you have seen the “MajorDeviced Will Damage Your Computer Mac” pop-up to appear on your Mac, then you most likely are dealing with an adware application, called MajorDevice. These apps often get inside your Mac and then start to modify your web browsers to show you various kinds of ads for profit. These ads are often monetized via pay-per-click and other such schemes on your Mac. The main problem with them is they could sometimes lead to dangerous websites, that may be risky for your device and the information in it.
This is the main reason why we strongly recommend that you read this article and learn how to get rid of the “MajorDeviced Will Damage Your Computer” Mac pop-up and stop such adware applications in the future.
MajorDeviced will damage your computer Summary
| Name | MajorDeviced, also known as “MajorDeviced will damage your computer” |
| Type | Mac Virus |
| Short Description | The MajorDeviced message appearing means that this error message could be the consequence of some type of Malware added on your Mac. |
| Symptoms | A pop-up appears, stating “MajorDeviced will damage your computer”. |
| Distribution Method | Bundled downloads. Web pages which may advertise it. |
| Detection Tool |
See If Your Device Has Been Affected by MajorDeviced
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User Experience | Join Our Forum to Discuss MajorDeviced. |
MajorDeviced Mac Redirect – Main Activity
The MajorDeviced Will Damage Your Computer pop-up is often caused by unwanted software that may be performing modifications on your Mac that are otherwise unauthorized. In the case of the MajorDevice app, this is most likely adware. We have seen a lot of such apps recently to appear on Mac devices and DiscoveryUnitd, CiscoAnyConnect and “P” will damage your computer are only some of them.
But how did you start seeing the “MajorDeviced Will Damage Your Computer Mac” pop-up in the first place? Apps, like MajorDevice, are usually bundled together with the installer of another freeware software that you may have downloaded from a site outside the official AppStore. Be advised that MajorDeviced Will Damage Your Computer Mac software may be added there as a “free extra” and usually could be concealed in “Custom” install modes, making it easy to miss.
Once this software is installed on your Mac, it may begin to display the following advertisements on your Mac:
- Search results advertisements.
- Highlighted ads in text.
- Notification pop-ups.
- Pop-up ads.
- Banner adware.
- Redirects.
It is often that these ads may lead to dangerous websites since most of them are purely shown to you for profit. This is how you may end up seeing the following unwanted sites:
- Scam sites.
- Virus websites.
- Phishing pages.
- Fake Tech Support scams.
- Fraud surveys.
These are the main reasons why it is a good idea to remove this software as it may not be safe to have it for longer periods of time on your Mac.
Remove MajorDeviced from Your Mac
Software, like the one behind the MajorDeviced Will Damage Your Computer pop-up can usually be removed from your Mac if you follow the removal instructions we have created beneath this article. These steps have been made to help you delete MajorDevice from both your web browsers and your macOS altogether. For the removal with best results, security professionals do advise removing MajorDeviced Will Damage Your Computer from your Mac using advanced anti-malware software. Such a program is created mainly to automatically detect and delete any viruses, trackers, adware, and malware from your computer automatically.
Ventsislav Krastev
Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.
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Steps to Prepare Before Removal:
Before starting to follow the steps below, be advised that you should first do the following preparations:
- Backup your files in case the worst happens.
- Make sure to have a device with these instructions on standy.
- Arm yourself with patience.
- 1. Scan for Mac Malware
- 2. Uninstall Risky Apps
- 3. Clean Your Browsers
Step 1: Scan for and remove MajorDeviced files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as MajorDeviced, the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Quick and Easy Mac Malware Video Removal Guide
Bonus Step: How to Make Your Mac Run Faster?
Mac machines maintain probably the fastest operating system out there. Still, Macs do become slow and sluggish sometimes. The video guide below examines all of the possible problems that may lead to your Mac being slower than usual as well as all of the steps that can help you to speed up your Mac.
Step 2: Uninstall MajorDeviced and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
2. Find Activity Monitor and double-click it:
3. In the Activity Monitor look for any suspicious processes, belonging or related to MajorDeviced:
4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.
5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to MajorDeviced. If you find it, right-click on the app and select “Move to Trash”.
6. Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to MajorDeviced. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.
7. Remove any leftover files that might be related to this threat manually by following the sub-steps below:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove MajorDeviced via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
1. Click on "Go" and Then "Go to Folder" as shown underneath:
2. Type in "/Library/LauchAgents/" and click Ok:
3. Delete all of the virus files that have similar or the same name as MajorDeviced. If you believe there is no such file, do not delete anything.
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 3: Remove MajorDeviced – related extensions from Safari / Chrome / Firefox
MajorDeviced-FAQ
What is MajorDeviced on your Mac?
The MajorDeviced threat is probably a potentially unwanted app. There is also a chance it could be related to Mac malware. If so, such apps tend to slow your Mac down significantly and display advertisements. They could also use cookies and other trackers to obtain browsing information from the installed web browsers on your Mac.
Can Macs Get Viruses?
Yes. As much as any other device, Apple computers do get malware. Apple devices may not be a frequent target by malware authors, but rest assured that almost all of the Apple devices can become infected with a threat.
What Types of Mac Threats Are There?
According to most malware researchers and cyber-security experts, the types of threats that can currently infect your Mac can be rogue antivirus programs, adware or hijackers (PUPs), Trojan horses, ransomware and crypto-miner malware.
What To Do If I Have a Mac Virus, Like MajorDeviced?
Do not panic! You can easily get rid of most Mac threats by firstly isolating them and then removing them. One recommended way to do that is by using a reputable malware removal software that can take care of the removal automatically for you.
There are many Mac anti-malware apps out there that you can choose from. SpyHunter for Mac is one of the reccomended Mac anti-malware apps, that can scan for free and detect any viruses. This saves time for manual removal that you would otherwise have to do.
How to Secure My Data from MajorDeviced?
With few simple actions. First and foremost, it is imperative that you follow these steps:
Step 1: Find a safe computer and connect it to another network, not the one that your Mac was infected in.
Step 2: Change all of your passwords, starting from your e-mail passwords.
Step 3: Enable two-factor authentication for protection of your important accounts.
Step 4: Call your bank to change your credit card details (secret code, etc.) if you have saved your credit card for online shopping or have done online activiites with your card.
Step 5: Make sure to call your ISP (Internet provider or carrier) and ask them to change your IP address.
Step 6: Change your Wi-Fi password.
Step 7: (Optional): Make sure to scan all of the devices connected to your network for viruses and repeat these steps for them if they are affected.
Step 8: Install anti-malware software with real-time protection on every device you have.
Step 9: Try not to download software from sites you know nothing about and stay away from low-reputation websites in general.
If you follow these reccomendations, your network and Apple devices will become significantly more safe against any threats or information invasive software and be virus free and protected in the future too.
More tips you can find on our MacOS Virus section, where you can also ask any questions and comment about your Mac problems.
About the MajorDeviced Research
The content we publish on SensorsTechForum.com, this MajorDeviced how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific macOS issue.
How did we conduct the research on MajorDeviced?
Please note that our research is based on an independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware definitions, including the various types of Mac threats, especially adware and potentially unwanted apps (PUAs).
Furthermore, the research behind the MajorDeviced threat is backed with VirusTotal.
To better understand the threat posed by Mac malware, please refer to the following articles which provide knowledgeable details.