Here you can find out more information about ExtensionInstaller app on Mac as well as more about its removal.
ExtensionInstaller Mac Adware
The ExtensionInstaller is classified as an adware program or a potentially unwanted program. It is developed to affect Apple Mac devices. Once this adware obtains access to a macOS, it initiates a series of changes that affect the browsing experience afterward. This phony software won’t inform you about its installation. It can try to hide its presence on your Mac too.
In fact, ExtensionInstaller Mac adware alters the main settings on installed browsers. By causing this issue, the adware tries to become able to generate intrusive ads during browsing sessions. The end goal of PUPs is to generate revenue for their owners. However, such apps may cause unexpected redirects to suspicious websites and lower the overall macOS security.
It is highly recommendable that you remove ExtensionInstaller adware from the affected Mac as it lowers system security and endangers online privacy.
ExtensionInstaller Adware Summary
| Name | ExtensionInstaller also known as Adware.MacOS.ExtensionInstaller |
| Type | Adware, PUP |
| Short Description | A questionable application that appears in the Applications list on your Mac without you remember installing it. |
| Symptoms | Main browser settings are altered. Sensitive data is obtained. Lots of deceptive ads flood browsing sessions and slow down browser performance. |
| Distribution Method | Freeware Installations, Bundled Packages, Counterfeit Software Updates |
| Detection Tool |
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ExtensionInstaller on Mac – Impact
Our research indicated that reputable anti-malware programs for Mac flag ExtensionInstaller as an adware program. It is also categorized as a potentially unwanted program (a PUP) due to the fact that people do not install it by being completely aware of the process.
Adware apps modify the settings on installed web browsers in order to start to deliver annoying ads there. This aggressive advertising approach is applied by PUP’s owners who want to monetize the presence of their apps on Mac machines. Every click you make on an ad delivered by their bogus app will generate them revenue.
However, affected browsers may be forced to load lots of suspicious ads – pop-ups, pop-unders, banners, in-text links, images, videos, fake notification windows, etc. Ads generated by ExtensionInstaller may load every time you open the browser. As a result, the affected browser could become sluggish or completely unresponsive. The bad news is that some ads delivered by ExtensionInstaller adware may link to poorly secured or corrupted websites. This issue, in turn, may trick you to visit sites that endanger your online privacy and security.
Yet another problem that may occur after the unnoticed activation of ExtensionInstaller Mac adware is unsolicited data collection. The app may activate specific tracking technologies. These technologies are may be set to collect certain data that defines your online browsing. After collecting data, the adware can transfer it to remote servers and enable its owners to misuse it.
All issues that occur as a result of having ExtensionInstaller on your Mac can be prevented with the completion of a few removal steps. So, please check the following detailed removal guide we prepared for the complete removal of harmful files installed by the ExtensionInstaller undesired program.
How to Remove ExtensionInstaller Adware on Mac
In order to remove ExtensionInstaller adware along with all associated files installed on the system, you should follow several removal steps. The guide below reveals all removal steps in their precise order.
You could follow either manual or automatic removal steps. In order to fully get rid of all present undesired programs and improve macOS security, we recommend that you combine the steps.
In case you have further questions or need additional help with the removal process, don’t hesitate to leave a comment. We will be glad to get in touch with you.
Gergana Ivanova
Highly motivated writer with 5+ years of experience writing for ransomware, malware, adware, PUPs, and other cybersecurity-related issues. As a writer, I strive to create content that is based on thorough technical research. I find joy in the process of creating articles that are easy to understand, informative, and useful. Follow me on Twitter (@IRGergana) for the latest in the field of computer, mobile, and online 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 ExtensionInstaller Adware files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as ExtensionInstaller Adware, 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 ExtensionInstaller Adware 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 ExtensionInstaller Adware:
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 ExtensionInstaller Adware. 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 ExtensionInstaller Adware. 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 ExtensionInstaller Adware 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 ExtensionInstaller Adware. 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 ExtensionInstaller Adware – related extensions from Safari / Chrome / Firefox
ExtensionInstaller Adware-FAQ
What is ExtensionInstaller Adware on your Mac?
The ExtensionInstaller Adware 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 ExtensionInstaller Adware?
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 ExtensionInstaller Adware?
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 ExtensionInstaller Adware Research
The content we publish on SensorsTechForum.com, this ExtensionInstaller Adware 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 ExtensionInstaller Adware?
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 ExtensionInstaller Adware threat is backed with VirusTotal.
To better understand the threat posed by Mac malware, please refer to the following articles which provide knowledgeable details.