Malwarebytes is the best free anti-malware that helps user in removing viruses, Trojans, spywares, especially this application is good at getting rid of rogue anti-viruses and anti-spyware those disguise and cheat users looking like real security applications. Here is how to download Malwarebytes’ Anti-Malware definition updates manually and update Malwarebytes offline.

Downloading Malwarebytes’ Anti-malware signature updates manually

manually downloading malwarebytes anti-malware definitions

There are two ways to manually download MBAM definitions, first one, provides latest definitions (recommended method), whereas the second one provides definition updates that were released just a day before the first one.

Malwarebytes Corporation releases definition updates daily for their anti-malware.

updating Malwarebytes anti-malware offline

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You can know the latest database version of MBAM definitions from here.

I. Recommended method to download Malwarebytes definitions

1. First, you need to update definitions for MBAM Online on another computer by hitting ‘Update’ tab and click ‘Check for Updates’ in MBAM.

Note: In the version 2.0 and above, you need to visit the dashboard and click on ‘Update Now’ button.

2. You can find the updated definitions/rules installed here then

  • For Windows XP and 2000
    “C:\Documents and Settings\All Users\Application Data\Malwarebytes\Malwarebytes’ Anti-Malware\rules.ref”
  • For  Windows Vista, Windows 7 and Windows 8:
    “C:\ProgramData\Malwarebytes\Malwarebytes’ Anti-Malware\rules.ref”

Note: ‘ProgramData’ is a hidden folder, you need to make the explorer to show hidden files, Folders and Drives to show it.

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3. Copy the rules file to Flash Drive or CD /DVD, and paste it to on the infected computer at above mentioned path in Windows considering you’ve Malwarebytes already installed.

Now Malwarebytes anti-malware definitions are updated, you can check by opening and confirming the database version shown under Update in MBAM (or on the Dashboard).

II. Second method to download definition updates for MBAM manually

You can download MBAM signature updates and install in your Computer.

But it always falls behind the definitions update (rules file) we grabbed from updating the program.

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Hope that helps, if you’ve any doubts ask me in the comments.