manifest.json: What It Is & Should I Remove It?

If you have ever explored the files and folders of a web application or extension, you may have come across a file called “manifest.json.” This file plays a crucial role in the functioning of web applications and extensions, providing important information to the browser or platform. In this article, we will delve into what manifest.json is, its significance, and whether you should remove it or not.


Windows Task Manager

What is manifest.json?

Manifest.json is a file used in web development to define the properties and behavior of a web application or extension. It is written in JSON (JavaScript Object Notation) format, which is a lightweight data interchange format. The file contains various metadata and configuration settings that help browsers and platforms understand and interact with the application or extension.

The manifest.json file typically includes information such as:

  • Application or extension name
  • Version number
  • Description
  • Icons
  • Permissions
  • Background scripts or pages
  • Content scripts
  • Default settings

By providing this information, the manifest.json file allows the browser or platform to properly load, display, and execute the web application or extension.

Should you remove manifest.json?

The answer to whether you should remove the manifest.json file depends on the context. In general, it is not recommended to remove this file unless you have a specific reason to do so. Here are a few scenarios where removing the manifest.json file might be necessary:

  1. You want to disable or uninstall a web application or extension: If you no longer need a particular web application or extension, removing the manifest.json file associated with it can effectively disable or uninstall it. However, it is important to note that simply removing the manifest.json file may not completely remove all traces of the application or extension. It is advisable to follow the proper uninstallation process provided by the browser or platform.
  2. You suspect the manifest.json file is infected with malware: In rare cases, the manifest.json file itself may be compromised by malware. If you have strong reasons to believe that the file is infected, it is recommended to run a thorough antivirus scan using a reliable tool like Malwarebytes Free. This will help identify and remove any potential threats.

It is important to exercise caution when removing the manifest.json file, as it can impact the functionality of web applications and extensions. If you are unsure about whether to remove it or not, it is advisable to seek guidance from a web developer or consult the documentation provided by the browser or platform.

Is manifest.json malware?

The manifest.json file itself is not malware. It is a legitimate file used in web development to define the properties and behavior of web applications and extensions. However, as mentioned earlier, the file can potentially be compromised by malware if it has been tampered with or if the web application or extension it belongs to is malicious.

If you suspect that the manifest.json file is infected with malware, it is crucial to take immediate action to protect your system. Running a thorough antivirus scan using a trusted tool like Malwarebytes Free can help detect and remove any malware present on your system.

Is Your Device Infected? Check for Malware

If your device is running slowly or acting suspicious, it may be infected with malware. Malwarebytes Anti-Malware Free is a great option for scanning your device and detecting potential malware or viruses. The free version can efficiently check for and remove many common infections.  

Malwarebytes can run on Windows, Mac, and Android devices. Depending on which operating system is installed on the device you’re trying to run a Malwarebytes scan, please click on the tab below and follow the displayed steps.

Malwarebytes For WindowsMalwarebytes For MacMalwarebytes For Android

Scan your computer with Malwarebytes for Windows to remove malware

Malwarebytes stands out as one of the leading and widely-used anti-malware solutions for Windows, and for good reason. It effectively eradicates various types of malware that other programs often overlook, all at no cost to you. When it comes to disinfecting an infected device, Malwarebytes has consistently been a free and indispensable tool in the battle against malware. We highly recommend it for maintaining a clean and secure system.

  1. Download Malwarebytes for Windows

    You can download Malwarebytes by clicking the link below.

    MALWAREBYTES FOR WINDOWS DOWNLOAD LINK
    (The above link will open a new page from where you can download Malwarebytes)
  2.  

    Install Malwarebytes

    After the download is complete, locate the MBSetup file, typically found in your Downloads folder. Double-click on the MBSetup file to begin the installation of Malwarebytes on your computer. If a User Account Control pop-up appears, click “Yes” to continue the Malwarebytes installation.

    MBAM1
  3. Follow the On-Screen Prompts to Install Malwarebytes

    When the Malwarebytes installation begins, the setup wizard will guide you through the process.

    • You’ll first be prompted to choose the type of computer you’re installing the program on—select either “Personal Computer” or “Work Computer” as appropriate, then click on Next.

      MBAM3 1
    • Malwarebytes will now begin the installation process on your device.

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    • When the Malwarebytes installation is complete, the program will automatically open to the “Welcome to Malwarebytes” screen.

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    • On the final screen, simply click on the Open Malwarebytes option to start the program.

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  4. Enable “Rootkit scanning”.

    Malwarebytes Anti-Malware will now start, and you will see the main screen as shown below. To maximize Malwarebytes’ ability to detect malware and unwanted programs, we need to enable rootkit scanning. Click on the “Settings” gear icon located on the left of the screen to access the general settings section.

    MBAM8

    In the settings menu, enable the “Scan for rootkits” option by clicking the toggle switch until it turns blue.

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    Now that you have enabled rootkit scanning, click on the “Dashboard” button in the left pane to get back to the main screen.

  5. Perform a Scan with Malwarebytes.

    To start a scan, click the Scan button. Malwarebytes will automatically update its antivirus database and begin scanning your computer for malicious programs.

    MBAM10
  6. Wait for the Malwarebytes scan to complete.

    Malwarebytes will now scan your computer for browser hijackers and other malicious programs. This process can take a few minutes, so we suggest you do something else and periodically check the status of the scan to see when it is finished.

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  7. Quarantine detected malware

    Once the Malwarebytes scan is complete, it will display a list of detected malware, adware, and potentially unwanted programs. To effectively remove these threats, click the “Quarantine” button.

    MBAM12

    Malwarebytes will now delete all of the files and registry keys and add them to the program’s quarantine.

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  8. Restart your computer.

    When removing files, Malwarebytes may require a reboot to fully eliminate some threats. If you see a message indicating that a reboot is needed, please allow it. Once your computer has restarted and you are logged back in, you can continue with the remaining steps.

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Your computer should now be free of trojans, adware, browser hijackers, and other malware.

If your current antivirus allowed this malicious program on your computer, you may want to consider purchasing Malwarebytes Premium to protect against these types of threats in the future.
If you are still having problems with your computer after completing these instructions, then please follow one of the steps:

Scan your computer with Malwarebytes for Mac to remove malware

Malwarebytes for Mac is an on-demand scanner that can destroy many types of malware that other software tends to miss without costing you absolutely anything. When it comes to cleaning up an infected device, Malwarebytes has always been free, and we recommend it as an essential tool in the fight against malware.

  1. Download Malwarebytes for Mac.

    You can download Malwarebytes for Mac by clicking the link below.

    MALWAREBYTES FOR MAC DOWNLOAD LINK
    (The above link will open a new page from where you can download Malwarebytes for Mac)
  2. Double-click on the Malwarebytes setup file.

    When Malwarebytes has finished downloading, double-click on the setup file to install Malwarebytes on your computer. In most cases, downloaded files are saved to the Downloads folder.

    Double-click on setup file to install Malwarebytes

  3. Follow the on-screen prompts to install Malwarebytes.

    When the Malwarebytes installation begins, you will see the Malwarebytes for Mac Installer which will guide you through the installation process. Click “Continue“, then keep following the prompts to continue with the installation process.

    Click Continue to install Malwarebytes for Mac

    Click again on Continue to install Malwarebytes for Mac for Mac

    Click Install to install Malwarebytes on Mac

    When your Malwarebytes installation completes, the program opens to the Welcome to Malwarebytes screen. Click the “Get started” button.

  4. Select “Personal Computer” or “Work Computer”.

    The Malwarebytes Welcome screen will first ask you what type of computer are you installing this program, click either Personal Computer or Work Computer.
    Select Personal Computer or Work Computer mac

  5. Click on “Scan”.

    To scan your computer with Malwarebytes, click on the “Scan” button. Malwarebytes for Mac will automatically update the antivirus database and start scanning your computer for malware.
    Click on Scan button to start a system scan Mac

  6. Wait for the Malwarebytes scan to complete.

    Malwarebytes will scan your computer for adware, browser hijackers, and other malicious programs. This process can take a few minutes, so we suggest you do something else and periodically check on the status of the scan to see when it is finished.
    Wait for Malwarebytes for Mac to scan for malware

  7. Click on “Quarantine”.

    When the scan has been completed, you will be presented with a screen showing the malware infections that Malwarebytes has detected. To remove the malware that Malwarebytes has found, click on the “Quarantine” button.
    Review the malicious programs and click on Quarantine to remove malware

  8. Restart computer.

    Malwarebytes will now remove all the malicious files that it has found. To complete the malware removal process, Malwarebytes may ask you to restart your computer.
    Malwarebytes For Mac requesting to restart computer

Your Mac should now be free of adware, browser hijackers, and other malware.

If your current antivirus allowed a malicious program on your computer, you might want to consider purchasing the full-featured version of Malwarebytes Anti-Malware to protect against these types of threats in the future.
If you are still experiencing problems while trying to remove a malicious program from your computer, please ask for help in our Mac Malware Removal Help & Support forum.

Scan your phone with Malwarebytes for Android to remove malware

Malwarebytes for Android automatically detects and removes dangerous threats like malware and ransomware so you don’t have to worry about your most-used device being compromised. Aggressive detection of adware and potentially unwanted programs keeps your Android phone or tablet running smooth.

  1. Download Malwarebytes for Android.

    You can download Malwarebytes for Android by clicking the link below.

    MALWAREBYTES FOR ANDROID DOWNLOAD LINK
    (The above link will open a new page from where you can download Malwarebytes for Android)
  2. Install Malwarebytes for Android on your phone.

    In the Google Play Store, tap “Install” to install Malwarebytes for Android on your device.

    Tap Install to install Malwarebytes for Android

    When the installation process has finished, tap “Open” to begin using Malwarebytes for Android. You can also open Malwarebytes by tapping on its icon in your phone menu or home screen.
    Malwarebytes for Android - Open App

  3. Follow the on-screen prompts to complete the setup process

    When Malwarebytes will open, you will see the Malwarebytes Setup Wizard which will guide you through a series of permissions and other setup options.
    This is the first of two screens that explain the difference between the Premium and Free versions. Swipe this screen to continue.
    Malwarebytes Setup Screen 1
    Tap on “Got it” to proceed to the next step.
    Malwarebytes Setup Screen 2
    Malwarebytes for Android will now ask for a set of permissions that are required to scan your device and protect it from malware. Tap on “Give permission” to continue.
    Malwarebytes Setup Screen 3
    Tap on “Allow” to permit Malwarebytes to access the files on your phone.
    Malwarebytes Setup Screen 4

  4. Update database and run a scan with Malwarebytes for Android

    You will now be prompted to update the Malwarebytes database and run a full system scan.

    Malwarebytes fix issue

    Click on “Update database” to update the Malwarebytes for Android definitions to the latest version, then click on “Run full scan” to perform a system scan.

    Update database and run Malwarebytes scan on phone

  5. Wait for the Malwarebytes scan to complete.

    Malwarebytes will now start scanning your phone for adware and other malicious apps. This process can take a few minutes, so we suggest you do something else and periodically check on the status of the scan to see when it is finished.
    Malwarebytes scanning Android for Vmalware

  6. Click on “Remove Selected”.

    When the scan has been completed, you will be presented with a screen showing the malware infections that Malwarebytes for Android has detected. To remove the malicious apps that Malwarebytes has found, tap on the “Remove Selected” button.
    Remove malware from your phone

  7. Restart your phone.

    Malwarebytes for Android will now remove all the malicious apps that it has found. To complete the malware removal process, Malwarebytes may ask you to restart your device.


Your phone should now be free of adware, browser hijackers, and other malware.

If your current antivirus allowed a malicious app on your phone, you may want to consider purchasing the full-featured version of Malwarebytes to protect against these types of threats in the future.
If you are still having problems with your phone after completing these instructions, then please follow one of the steps:

Summary

Manifest.json is a file used in web development to define the properties and behavior of web applications and extensions. It contains important metadata and configuration settings that help browsers and platforms understand and interact with the application or extension. While it is generally not recommended to remove the manifest.json file, there may be specific scenarios where its removal is necessary, such as disabling or uninstalling a web application or extension. However, caution should be exercised, and proper uninstallation processes should be followed. The manifest.json file itself is not malware, but it can potentially be compromised if it has been tampered with or if the associated web application or extension is malicious. If you suspect malware, running a thorough antivirus scan using a reliable tool like Malwarebytes Free is recommended.

How to Stay Safe Online

Here are 10 basic security tips to help you avoid malware and protect your device:

  1. Use a good antivirus and keep it up-to-date.

    Shield Guide

    It's essential to use a good quality antivirus and keep it up-to-date to stay ahead of the latest cyber threats. We are huge fans of Malwarebytes Premium and use it on all of our devices, including Windows and Mac computers as well as our mobile devices. Malwarebytes sits beside your traditional antivirus, filling in any gaps in its defenses, and providing extra protection against sneakier security threats.

  2. Keep software and operating systems up-to-date.

    updates-guide

    Keep your operating system and apps up to date. Whenever an update is released for your device, download and install it right away. These updates often include security fixes, vulnerability patches, and other necessary maintenance.

  3. Be careful when installing programs and apps.

    install guide

    Pay close attention to installation screens and license agreements when installing software. Custom or advanced installation options will often disclose any third-party software that is also being installed. Take great care in every stage of the process and make sure you know what it is you're agreeing to before you click "Next."

  4. Install an ad blocker.

    Ad Blocker

    Use a browser-based content blocker, like AdGuard. Content blockers help stop malicious ads, Trojans, phishing, and other undesirable content that an antivirus product alone may not stop.

  5. Be careful what you download.

    Trojan Horse

    A top goal of cybercriminals is to trick you into downloading malware—programs or apps that carry malware or try to steal information. This malware can be disguised as an app: anything from a popular game to something that checks traffic or the weather.

  6. Be alert for people trying to trick you.

    warning sign

    Whether it's your email, phone, messenger, or other applications, always be alert and on guard for someone trying to trick you into clicking on links or replying to messages. Remember that it's easy to spoof phone numbers, so a familiar name or number doesn't make messages more trustworthy.

  7. Back up your data.

    backup sign

    Back up your data frequently and check that your backup data can be restored. You can do this manually on an external HDD/USB stick, or automatically using backup software. This is also the best way to counter ransomware. Never connect the backup drive to a computer if you suspect that the computer is infected with malware.

  8. Choose strong passwords.

    lock sign

    Use strong and unique passwords for each of your accounts. Avoid using personal information or easily guessable words in your passwords. Enable two-factor authentication (2FA) on your accounts whenever possible.

  9. Be careful where you click.

    cursor sign

    Be cautious when clicking on links or downloading attachments from unknown sources. These could potentially contain malware or phishing scams.

  10. Don't use pirated software.

    Shady Guide

    Avoid using Peer-to-Peer (P2P) file-sharing programs, keygens, cracks, and other pirated software that can often compromise your data, privacy, or both.

To avoid potential dangers on the internet, it's important to follow these 10 basic safety rules. By doing so, you can protect yourself from many of the unpleasant surprises that can arise when using the web.