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How to stop browsers from opening safari-extension.com

Also Known As: safari-extension[.]com pop-up
Type: Mac Virus
Damage level: Medium

What is safari-extension[.]com?

safari-extension[.]com is a deceptive website that targets iPhone users. It attempts to trick people into downloading and installing an application called Net Shield.

We strongly advise against trusting software advertised on websites of this type. Furthermore, people do not generally visit them intentionally - they are redirected through other dubious web pages, clicked deceptive ads, or potentially unwanted applications (PUAs) that are installed on devices.

safari-extension[.]com scam

Once opened, safari-extension[.]com informs visitors that they should download and install the aforementioned Net Shield app, otherwise personal data might be stolen through malicious advertisements designed by cyber criminals. It is also stated that cyber criminals might steal banking information.

Visitors to safari-extension[.]com are encouraged to install Net Shield immediately. The Net Shield app is available for download on an official App Store website and is, thus, a legitimate application, however, you are advised against downloading programs that are promoted through dubious websites such as safari-extension[.]com.

Research shows that some users cannot open any other web pages and are forced to visit safari-extension[.]com when they try to browse the web. Instructions about how to fix this problem are provided below.

Browsers often redirect users to untrustworthy web pages due to potentially unwanted applications (PUAs) installed on them. Typically, apps of this type gather data and/or display intrusive ads. In most cases, they collect details such as users' IP addresses, geolocations, addresses of visited websites, entered search queries and other details relating to browsing activity.

People who develop PUAs share the information with third parties (potentially, cyber criminals) who misuse it to generate revenue. Installed PUAs often feed users with deceptive ads such as coupons, banners, surveys, pop-ups, etc. If clicked, these open untrustworthy, potentially malicious websites or run scripts that download and/or install unwanted apps.

Threat Summary:
Name safari-extension[.]com pop-up
Threat Type Phishing, Scam, Mac malware, Mac virus.
Fake Claim According to this web page, the visitor's device is vulnerable to malware infections unless it is protected with a particular app.
Detection Names Fortinet (Malware), Spamhaus (Suspicious), Full List (VirusTotal).
Serving IP Address 159.89.44.166
Promoted Application Net Shield
Symptoms Your Mac becomes slower than normal, you see unwanted pop-up ads, you are redirected to dubious websites.
Distribution methods Deceptive pop-up ads, free software installers (bundling), fake Flash Player installers, torrent file downloads.
Damage Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites, loss of private information.
Malware Removal (Mac)

To eliminate possible malware infections, scan your Mac with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.
▼ Download Combo Cleaner for Mac
To use full-featured product, you have to purchase a license for Combo Cleaner. Limited seven days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

safari-extension[.]com is very similar to safari-protection[.]com, however, there are also other deceptive sites used to advertise apps in deceptive ways.

For example, bestantius[.]com and mobileapplesecurity[.]com. Never trust these sites or the software advertised on them. The aforementioned PUAs are also similar: most gather information, open rogue websites, or display intrusive ads. All PUAs should be uninstalled as soon as possible.

How did potentially unwanted applications install on my computer?

PUAs are usually installed through deceptive ads or when software developers include them into the download or installation set-ups of other (usually free) programs. This PUA distribution method is known as "bundling".

Developers employ this method to trick people into downloading and/or installing potentially unwanted apps together with other software that they wish to download and/or install.

In most cases, information about these additionally-included apps is hidden in settings such as "Custom", "Advanced", etc. When people leave these unchanged, they inadvertently grant PUAs permission to be downloaded and installed with other, regular software.

How to avoid installation of potentially unwanted applications

Download software from official websites. Other download/installation sources such as third part downloaders, installers, torrent clients, eMule and other Peer-to-Peer networks, dubious websites, etc., should not be used. Often they are monetized by promoting unwanted apps.

Check all download and installation settings (such as "Custom, "Advanced") within the setups and change them if necessary. These settings might include offers to download and/or install additional, unwanted software. Avoid clicking intrusive ads, especially those on dubious web pages.

If clicked, they can redirect people to untrustworthy websites or even download/install PUAs. If the browser causes redirects or shows intrusive ads on visited websites, check the list of apps installed. Remove any unwanted extensions, plug-ins, and add-ons.

The same applies to the programs of this kind installed on the operating system. If your computer is already infected with PUAs, we recommend running a scan with Combo Cleaner Antivirus for macOS to automatically eliminate them.

Another variant of safari-extension[.]com scam web page:

other version of safariextesion.com

To enable pop-up blocking, fraudulent website warnings, and remove web browsing data in mobile Apple devices, follow these steps:

First, go to "Settings", and then scroll down to find and tap "Safari".

remove pop-ups and clear cache step 1

Check if the "Block Pop-ups" and "Fraudulent Website Warning" toggles are enabled. If not, enable them immediately. Then, scroll down and tap "Advanced".

disable pop-ups and clear cache step 2

Tap "Website Data" and then "Remove All Website Data".

disable pop-ups and clear cache step 3

Instant automatic Mac malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of Mac malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner for Mac By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. Limited seven days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

Quick menu:

Video showing how to remove adware and browser hijackers from a Mac computer:

Potentially unwanted applications removal:

Remove potentially unwanted applications from your "Applications" folder:

mac browser hijacker removal from applications folder

Click the Finder icon. In the Finder window, select "Applications". In the applications folder, look for "MPlayerX","NicePlayer", or other suspicious applications and drag them to the Trash. After removing the potentially unwanted application(s) that cause online ads, scan your Mac for any remaining unwanted components.

Remove adware-related files and folders

Mac Go To Folder step

Click the Finder icon, from the menu bar. Choose Go, and click Go to Folder...

Mac removing related files and folders - step 1Check for adware generated files in the /Library/LaunchAgents/ folder:

Mac go to /Library/LaunchAgents - step 1

In the Go to Folder... bar, type: /Library/LaunchAgents/

Mac go to /Library/LaunchAgents - step 2

In the "LaunchAgents" folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - "installmac.AppRemoval.plist", "myppes.download.plist", "mykotlerino.ltvbit.plist", "kuklorest.update.plist", etc. Adware commonly installs several files with the exact same string.

Mac removing related files and folders - step 2Check for adware generated files in the ~/Library/Application Support/ folder:

Mac go to /Library/Application Support - step 1

In the Go to Folder... bar, type: ~/Library/Application Support/

Mac go to /Library/Application Support - step 2

In the "Application Support" folder, look for any recently-added suspicious folders. For example, "MplayerX" or "NicePlayer", and move these folders to the Trash.

Mac removing related files and folders - step 3Check for adware generated files in the ~/Library/LaunchAgents/ folder:

Mac go to ~/Library/LaunchAgents - step 1

In the Go to Folder... bar, type: ~/Library/LaunchAgents/

Mac go to ~/Library/LaunchAgents - step 2

In the "LaunchAgents" folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - "installmac.AppRemoval.plist", "myppes.download.plist", "mykotlerino.ltvbit.plist", "kuklorest.update.plist", etc. Adware commonly installs several files with the exact same string.

Mac removing related files and folders - step 4Check for adware generated files in the /Library/LaunchDaemons/ folder:

Mac go to /Library/LaunchDaemons - step 1

In the "Go to Folder..." bar, type: /Library/LaunchDaemons/

Mac go to /Library/LaunchDaemons - step 2

In the "LaunchDaemons" folder, look for recently-added suspicious files. For example "com.aoudad.net-preferences.plist", "com.myppes.net-preferences.plist", "com.kuklorest.net-preferences.plist", "com.avickUpd.plist", etc., and move them to the Trash.

Mac removing malware related files and folders - step 5Scan your Mac with Combo Cleaner:

If you have followed all the steps correctly, your Mac should be clean of infections. To ensure your system is not infected, run a scan with Combo Cleaner Antivirus. Download it HERE. After downloading the file, double click combocleaner.dmg installer. In the opened window, drag and drop the Combo Cleaner icon on top of the Applications icon. Now open your launchpad and click on the Combo Cleaner icon. Wait until Combo Cleaner updates its virus definition database and click the "Start Combo Scan" button.

Mac remove malware with Combo Cleaner - step 1

Combo Cleaner will scan your Mac for malware infections. If the antivirus scan displays "no threats found" - this means that you can continue with the removal guide; otherwise, it's recommended to remove any found infections before continuing.

Mac remove malware with Combo Cleaner - step 2

After removing files and folders generated by the adware, continue to remove rogue extensions from your Internet browsers.

Remove malicious extensions from Internet browsers

Safari iconRemove malicious Safari extensions:

Removal of malicious extensions in Safari - step 1

Open the Safari browser, from the menu bar, select "Safari" and click "Preferences...".

Removal of malicious extensions in Safari - step 2

In the preferences window, select "Extensions" and look for any recently-installed suspicious extensions. When located, click the "Uninstall" button next to it/them. Note that you can safely uninstall all extensions from your Safari browser - none are crucial for regular browser operation.

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Safari.

Google Chrome logoRemove malicious extensions from Google Chrome:

Removal of malicious extensions in Google Chrome - step 1

Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "More Tools" and click "Extensions". Locate all recently-installed suspicious extensions, select these entries and click "Remove".

Removal of malicious extensions in Google Chrome - step 2

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Google Chrome.

Mozilla Firefox logoRemove malicious extensions from Mozilla Firefox:

Removal of malicious extensions in Mozilla Firefox - step 1

Click the Firefox menu firefox menu icon (at the top right corner of the main window) and select "Add-ons and themes". Click "Extensions", in the opened window locate all recently-installed suspicious extensions, click on the three dots and then click "Remove".

Removal of malicious extensions in Mozilla Firefox - step 2

  • If you continue to have problems with browser redirects and unwanted advertisements - Reset Mozilla Firefox.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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