THREAT REMOVAL

Remove Mon-thu4 Pop-up Scam from Mac

Mon-thu4.life virus found scam message mac removal guide sensorstechforum

In the event, you notice the website Mon-thu4 while browsing the web we recommend that you refrain from following its instructions. Mon-thu4 is yet another bogus website that affects popular browsers installed on Mac devices with the goal to push questionable applications. Websites of this type as well as apps promoted on them should never be trusted. Since their sudden appearance in the browser is often related to the presence of any potentially undesired program, security experts encourage affected users to check their operating systems for any present harmful files.

Threat Summary

NameMon-thu4
TypePop-up Scam
Short DescriptionInvades browsing sessions to display deceptive offers. Could be misused by hackers for the delivery of malware.
SymptomsBrowser slowdowns occur due to increased number of online ads.
Distribution MethodFreeware Installations, Bundled Packages
Detection Tool See If Your System Has Been Affected by malware

Combo Cleaner

Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Mon-thu4.

Mon-thu4.life – What is It All About? Is It Legit?

Mon-thu4 is a website that pop-ups in the browser to display the following scary message:

VIRUS FOUND
A website you have visited today has infected your Mac with a virus.
Press OK to begin the repair process.

remove Mon-thu4.life virus found

Another variant of the same scam message that can be displayed by various other bogus websites like Mon-thu4.life claims:

VIRUS FOUND
A website you have visited today has infected your Mac with a virus. A full system scan is now required to find and remove harmful files or applications from your Mac OS X device.
DEVICE INFORMATION
Brand: Apple
Device: Mac OS X 10_14_6
Browser: Safari 12.1.2
Scan Now

Is Mon-thu4 a virus? Is your Mac infected with malware? No, it is a scam. A scam that aims to lure you into installing fake utilities like Advanced Mac Cleaner, Smart Mac Booster and Mac Auto Fixer.

Do not Interact with such messages if you want to keep your Mac safe from real malware infections. Do not call any number presented. Quit your browser, force quit if necessary. Hold the Shift key and restart your browser. Clear website data cookies. Check for extensions and remove any that you don’t need. Additionally, ensure to scan your system with a professional anti-malware tool. Shady websites like Mon-thu4.life and apps associated with them tend to drop a bunch of files that are developed to create entries in the StartupItems, create a separate user profile and can be misused for the delivery of other harmful software like Tarmac.

Quite often commonly used web browsers on Macs like Safari and Chrome load deceptive websites like Mon-thu4.life because of a potentially unwanted program that is installed on the system. Such a program may even be one of the programs advertised by the website Mon-thu4. Other techniques used for the spread of potentially unwanted applications include software bundles, freeware packages, fake software updates and others.

So it is very likely that you have unintentionally installed a PUP on your Mac by simply following the installation setup of a recently downloaded desired program. This annoying issue usually occurs due to improperly disclosed information about extra programs added in the installer of the main app. Sometimes the uncontemplated installation of extra apps can be avoided with the help of the options provided in the Advanced or Custom setup approach. Make sure to select it whenever it is available in the installer of a new app.

And as long as, an undesired program associated with Mon-thu4.life is running on your Mac it may be collecting various details of yours with the help of tracking technologies like cookies, web beacons, javascrips, and other.

Remove Mon-thu4 Pop-up on Mac

Unfortunately, Mon-thu4 and associated files cannot be uninstalled by simply closing the browser and dragging the undesired app to the Trash. If you want to remove the Mon-thu4 virus from your Mac OS in full we recommend that you use a specific anti-malware for Mac. The main goal of such a program is to scan your operating system and terminate the files with malicious behavior. It will also clean up any malicious code in your repositories. With a specific anti-malware program, youр Mac will be protected better in the future.

Gergana Ivanova

Gergana Ivanova

Gergana has a bachelor's degree in Marketing. She has been with the STF team for five years, researching malware, reporting on the latest computer infections, and following digital marketing trends.

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OFFER
REMOVE IT NOW (MAC)
with SpyHunter for Mac
Mon-thu4 may remain persistent on your system and may re-infect it. We recommend you to download SpyHunter for Mac and run free scan to remove all virus files on your Mac. This saves you hours of time and effort compared to doing the removal yourself.
Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read EULA and Privacy Policy

Preparation Phase:

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.

Step 1: Uninstall Mon-thu4 and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


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 Mon-thu4:

Tip: To quit a process completely, choose the “Force Quit” option.


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 Mon-thu4. 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 Mon-thu4. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.


7. Remove any left-over 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 Mon-thu4 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:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

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 Mon-thu4. 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 2: Remove Mon-thu4 – related extensions from Safari / Chrome / Firefox

Remove an extension from Safari and reset it.Remove a toolbar from Google Chrome Remove a toolbar from Mozilla Firefox

1. Start Safari

2. After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.

3. From the menu, click on "Preferences"

stf-safari preferences

4. After that, select the 'Extensions' Tab

stf-safari-extensions

5. Click once on the extension you want to remove.

6. Click 'Uninstall'

stf-safari uninstall

A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Mon-thu4 will be removed.

How to Reset Safari
IMPORTANT: Before resetting Safari make sure you back up all your saved passwords within the browser in case you forget them.

Start Safari and then click on the gear leaver icon.

Click the Reset Safari button and you will reset the browser.

1. Start Google Chrome and open the drop menu

2. Move the cursor over "Tools" and then from the extended menu choose "Extensions"

3. From the opened "Extensions" menu locate the add-on and click on the garbage bin icon on the right of it.

4. After the extension is removed, restart Google Chrome by closing it from the red "X" in the top right corner and start it again.


1. Start Mozilla Firefox. Open the menu window

2. Select the "Add-ons" icon from the menu.

3. Select the Extension and click "Remove"

4. After the extension is removed, restart Mozilla Firefox by closing it from the red "X" in the top right corner and start it again.


Step 3: Scan for and remove Mon-thu4 files from your Mac

When you are facing problems on your Mac as a result of unwanted scripts and programs such as Mon-thu4, 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.


Click the button below below to download SpyHunter for Mac and scan for Mon-thu4:


Download

SpyHunter for Mac



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