What is MSHelper (Mac)?

MSHelper is a virus coming to Mac without user consent. It constantly uses system resources for unknown purposes. Some virus researchers classified MSHelper as an adware. But we are unable to find any banners with the advertisement. High level of memory usage, encrypted connection and other similarities with CPUMiner viruses. This type of viruses spreads to thousands of machines and starts to use they for Cryptomining. All victims face with troubles, errors, and Mac speed dramatically decreases. Some users find, that MSHelper can use more than 75% of machines resources in CPU Activity Monitor. If you find MSHelper on your Mac, you should remove it right away. Do not waste your time.

MSHelper (Mac)

How MSHelper gets on your Mac?

Programs, that are among the CPUMiners through unprotected network configuration. Because of this, many users do not realize that a computer is infected with malware and the Mac is under a great risk. It was there that might contain a consent to install PUP. To prevent such problems, you should always use protecting software, such as antiviruses or firewalls. Also, we recommend do not agree to install unknown software from different sites, and analyze the Advanced type of installation. If MSHelper has already penetrated your computer, you can use the instructions below.

How to remove MSHelper from your Mac or PC?

To uninstall MSHelper remove it from Applications, then delete all leftover files and folders.

In our view, there are 2 products that potentially have MSHelper in their database. You can try to use them for removing MSHelper.

Recommended Solution:

Bitdefender Antivirus- fully removes all instances of viruses, similar to MSHelper from Mac and Safari.


Download Norton

Or uninstall MSHelper manually.

Step 1: Remove MSHelper from Mac

MSHelper may not have app associated with it in Application. However, we recommend you to inspect the list of installed applications and remove unknown or suspicious ones.

Mac OSX:

  1. Open Finder
  2. In the Finder sidebar, click Applications
  3. If you see Uninstall MSHelper or MSHelper Uninstaller, double-click it and follow instructions
  4. Drag unwanted application from the Applications folder to the Trash (located on the right side of the Dock)

Learn more about uninstallation of programs in Mac OSX

appcleanerTo remove leftover items of unwanted application on Mac we recommend you to use AppCleaner. Just drag application you want to remove to AppCleaner window and it will search for residual data on your hard drive. This will save space of your memory and will help to remove stubborn applications from Mac systems.

After that remove MSHelper from your browser.

Step 2: Remove MSHelper from browsers


  1. Open Safari
  2. Click Safari menu.
  3. Choose Extensions.
  4. Find MSHelper.
  5. Click Uninstall button to remove it.

Learn more about removing extensions from Safari.

Google Chrome:

  1. Open Google Chrome
  2. Push Alt + F.
  3. Click Tools.
  4. Choose Extensions.
  5. Find MSHelper.
  6. Click the trash can icon to remove it.

Learn more about removing extensions from Chrome.

Mozilla Firefox:

  1. Open Firefox.
  2. Push Shift + Ctrl + A.
  3. Choose MSHelper.
  4. Click Disable or Remove button.

Learn more about removing extensions from Firefox.

Step 3: Remove following files and folders of MSHelper:

Remove following registry entries:

no information

Remove following files:

/Library/Application Support/pplauncher/pplauncher

Remove following folders

no information

Written by Tim Kas

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