PublicSystem is a type of adware that can cause significant frustration and annoyance for Mac users. This unwanted program injects advertisements into websites, redirects browser search queries, and can even modify browser settings without your consent. In this comprehensive guide, we will provide you with step-by-step instructions on how to remove PublicSystem from your Mac and restore your browser to its default settings.

Table of Contents

1. Understanding PublicSystem Adware
2. Symptoms of PublicSystem Infection
3. How PublicSystem is Installed
4. The Dangers of PublicSystem Adware
5. Manual Removal of PublicSystem
   • Step 1: Remove Malicious Profiles
   • Step 2: Delete Malicious Apps
   • Step 3: Reset Browsers to Default Settings
   • Step 4: Run a Malware Scan with Combo Cleaner
6. Prevent Future Infections
7. Conclusion

1. Understanding PublicSystem Adware

PublicSystem is a type of adware that targets Mac users. It infiltrates your system through deceptive methods, such as bundled software downloads or clicking on malicious ads. Once installed, PublicSystem injects unwanted advertisements into websites, modifies browser settings, and redirects search queries. This adware aims to generate revenue by displaying ads and promoting potentially harmful software.

2. Symptoms of PublicSystem Infection

It is important to be aware of the symptoms of a PublicSystem infection. Some common signs include:

• Changes to your web browser’s default search engine and homepage.
• Browser search queries being redirected through PublicSystem search.
• Display of intrusive pop-up ads, banners, and in-text ads.
• Slow loading of web pages and sluggish system performance.
• Unwanted browser extensions or programs installed on your Mac.

If you notice any of these symptoms, it is likely that your Mac has been infected with PublicSystem adware.

3. How PublicSystem is Installed

PublicSystem is typically installed by users unknowingly, often through deceptive practices. This adware can be bundled with other software downloads or distributed through misleading advertisements. Users may inadvertently agree to install PublicSystem when rushing through software installation processes or not carefully reviewing the options presented. It is important to be cautious when downloading software from untrusted sources and to always opt for custom or advanced installation settings to avoid installing unwanted programs.

4. The Dangers of PublicSystem Adware

While PublicSystem may not be as destructive as some other types of malware, it can still pose significant risks to your Mac and online security. Some potential dangers of PublicSystem adware include:

• Exposure to malicious websites: PublicSystem may redirect your web traffic to websites that host malware, phishing scams, or other security threats. These websites can compromise the security of your Mac and put your personal information at risk.
• Compromised online privacy: Adware like PublicSystem often collects user data, such as browsing history, search queries, and IP addresses. This information can be used for targeted advertising or even sold to third parties, raising privacy concerns.
• Slowed system performance: PublicSystem adware consumes system resources, which can result in slower performance, including slower web page loading times and unresponsive applications.
• Increased vulnerability to other malware: PublicSystem can open the door for other types of malware to infect your Mac. Adware often disables antivirus software and other security measures, leaving your system vulnerable to more harmful malware infections.

It is crucial to remove PublicSystem from your Mac promptly to protect your privacy and maintain the security of your system.

5. Manual Removal of PublicSystem

Removing PublicSystem adware from your Mac can be done manually. Follow the step-by-step instructions below to eliminate this unwanted program and restore your browser settings to default.

Step 1: Remove Malicious Profiles

PublicSystem may install malicious profiles on your Mac to prevent easy removal. Follow these steps to check for and remove any suspicious profiles:

1. Open “System Preferences” from the Apple menu.
2. Search for and click on the “Profiles” icon.
3. If any suspicious profiles are found, select them and click the “-” button to remove them.

Step 2: Delete Malicious Apps

PublicSystem may have installed malicious apps on your Mac. Follow these steps to locate and delete any unwanted applications:

1. Quit any suspicious programs by clicking on the Apple menu and selecting “Quit.”
2. Open the “Finder” application.
3. Click on “Applications” in the sidebar.
4. Look for any unfamiliar or suspicious apps, right-click on them, and select “Move to Trash.”

Step 3: Reset Browsers to Default Settings

PublicSystem can modify browser settings to redirect search queries and display unwanted ads. Resetting your browsers to default settings can help remove these modifications. Follow the instructions below for each browser you have installed:

Reset Safari Browser

1. Open Safari and click on the “Safari” menu.
2. Select “Preferences” from the drop-down menu.
3. Go to the “General” tab and ensure your preferred homepage is set.
4. Click on the “Extensions” tab and remove any suspicious extensions.
5. Go to the “Privacy” tab and click on “Manage Website Data.” Remove any unwanted data.
6. Click on the “Advanced” tab and enable the “Show Develop menu in menu bar” option.
7. From the menu bar, click on “Develop” and select “Empty Caches.”

Reset Google Chrome Browser

1. Open Chrome and click on the three-dot menu in the top-right corner.
2. Select “Settings” from the drop-down menu.
3. Scroll down and click on “Advanced.”
4. Scroll to the bottom and click on “Restore settings to their original defaults” under the “Reset and clean up” section.
5. Confirm the reset by clicking on “Reset settings.”

Reset Mozilla Firefox Browser

1. Open Firefox and click on the menu button (three lines) in the top-right corner.
2. Select “Help” from the drop-down menu and click on “Troubleshooting Information.”
3. In the “Troubleshooting Information” tab, click on the “Refresh Firefox” button.
4. Confirm the reset by clicking on “Refresh Firefox” in the pop-up window.

Step 4: Run a Malware Scan with SpyHunter

To ensure complete removal of PublicSystem adware and any associated malware, it is recommended to run a full system scan with SpyHunter, a reputable antivirus and anti-malware software for Mac. Follow these steps:

1. Download SpyHunter and install it on your Mac.
2. Open SpyHunter and start the scan.
3. Wait for the scan to complete and follow the on-screen instructions to remove any detected threats.

6. Prevent Future Infections

To prevent future adware infections on your Mac, follow these tips:

• Download software only from reputable sources, such as official websites or trusted app stores.
• Read and review the installation prompts carefully, selecting custom or advanced installation options to avoid installing bundled adware.
• Be cautious when clicking on ads and downloading files from untrustworthy sources.
• Regularly update your Mac’s operating system and applications to patch any security vulnerabilities.
• Use reputable antivirus and anti-malware software to scan your system regularly and remove any potential threats.

By following these preventive measures, you can significantly reduce the risk of adware infections and protect the security and privacy of your Mac.

7. Conclusion

Removing PublicSystem adware from your Mac is crucial to protect your privacy and ensure the security of your system. By following the manual removal steps outlined in this guide, you can eliminate PublicSystem and its associated components. Additionally, implementing preventive measures can help safeguard your Mac from future adware infections. Remember to stay vigilant when downloading software and avoid clicking on suspicious ads or links. Regularly update your Mac’s software and use reputable security software to scan for potential threats. By taking these precautions, you can enjoy a safer and more secure browsing experience on your Mac.