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Updated: March 08, 2018 2:50:27 PM
Type: Misleading Application
Name: MacBooster 6
Publisher: IObit
Risk Impact: Low
Systems Affected: Mac


OSX.MacBooster is a misleading application for macOS that may give exaggerated reports about security issues on your computer.

Antivirus Protection Dates

  • Initial Rapid Release version January 18, 2018 revision 004
  • Latest Rapid Release version January 09, 2020 revision 004
  • Initial Daily Certified version January 18, 2018 revision 007
  • Latest Daily Certified version January 09, 2020 revision 006
  • Initial Weekly Certified release date January 24, 2018

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Technical Description

This misleading application may be silently installed by another program. It may also be manually installed from the website.

When the program is executed, it performs a scan and then displays misleading or exaggerated reports of security issues on the computer.

The program then prompts the user to purchase a registered version of the software in order to remove the reported problems.

When the program is installed, it may create the following folders:

  • /Volumes/macbooster
  • /Volumes/macbooster/MacBooster 6.app/Contents
  • /Volumes/macbooster/MacBooster 6.app/Contents/MacOS
  • /Volumes/macbooster/MacBooster 6.app/Contents/Frameworks

The program may create the following files:
  • /Volumes/macbooster/MacBooster 6.app
  • /Users/admin/Desktop/MacBooster_6.dmg
  • /Volumes/macbooster/MacBooster 6.app/Contents/Resources/ICON.icns
  • /Applications/MacBooster 6.app


The following instructions pertain to all current and recent Symantec antivirus products for Macintosh.

  1. Update the virus definitions.
  2. Run a full system scan and repair or delete all the files detected.
For specific details on each of these steps, read the following instructions.

1. To update the virus definitions
To obtain the most recent virus definitions run LiveUpdate: These virus definitions are posted to the LiveUpdate servers regularly. To determine whether definitions for this threat are available by LiveUpdate, refer to the Virus Definitions (LiveUpdate) .

2. To scan for and delete the infected files
  • Start your Norton AntiVirus or Symantec Endpoint Protection for Macintosh program and make sure that it is configured to scan all files.
  • Run a full system scan.
  • If any files are detected, click Repair (if available) or Delete.