UPDATE 05/2015:See version 2 of the script where I have written it in PowerShell. This one is easier to understand and doesn’t require wget.exe. It will work on any machine with PowerShell v3 and greater.
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May 10, 2017 To start using Malwarebytes on your Windows computer, download and install Malwarebytes for Windows version 3. Instructions are provided below to guide you through the installation process. These steps also apply to re-installation, or how to get back the program in case of an accidental uninstall. Dec 07, 2019 Download Malwarebytes Anti-Malware Database Updates. 6Keep your Malwarebytes Anti-Malware updated, even if offline. Which updates the rules.ref file automatically or you can download the.
Malwarebytes is no doubt one of the best anti-malware softwares available on the net – I have it as part of my default installation kit when I build/re-build a machine.
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One of the annoying things about Malwarebytes though is the fact that they do not offer their definitions files to be downloaded manually.
(Well, technically they do, however this comes as a 6.5MB file which needs to be installed before being able to download the file (disadvantage for those on-the-go)… also, the file is not updated very often – once a week it seems – See here)
Why would one want to manually download the definitions file I hear you ask.
- You have an infected machine with all sorts of bad things like remote key-loggers etc.
You want to scan the machine with Malwarebytes but you do not have the latest definitions file… you obviously do not want to connect the machine to the internet in this state; who knows what could be transmitted to/fro the machine. - You are a PC support specialist and like to carry around the latest definition files for portable anti-virus/malware applications on your USB.
How?
I used Wireshark to see exactly what was going on when an update was performed in the actual software interface.
I came across several URLs in the output, one of which was:
Hmmm… looked tasty, so I inspected the packet in more detail:
Okay so this gives us the full URL used for the ‘version.check’ page. Going on to that page will return an integer which represents the latest database version (definitions file) – go on, give it a try: http://data-cdn.mbamupdates.com/v0/database/version.check
I did a bit more digging around in Wireshark in an attempt to find the URL used to download the actual definitions file… I found this:
Interesting. So it checks the local definitions database against /version.check. If it finds that /version.check returns a later version, it fires off a GET request to /data/rules.n.ref
Nice. So with this information, we can script something up that will automatically put the latest database version integer in to the /data/rules.ref request.
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I did this in a batch file with the help of wget.
Script
@echo off
wget -O latest.txt http://data-cdn.mbamupdates.com/v0/database/version.check
FOR /F 'tokens=1 delims=' %%A in ('type latest.txt') do SET var=%%A
wget -O rules.ref http://data-cdn.mbamupdates.com/v0/database/data/rules.%var%.ref
REM copy rules.ref driveLetter:
exit 0
I left in a REM (remark/comment) on the last line which will automatically copy the definitions file straight on to the root of a flash drive – all you need to do is remove the REM and replace driveLetter with the letter of your flash drive.
You can download the script here – it includes wget so all you have to do is double click the bat file (MBDownloadLatestDefs.bat)
UPDATE 05/2015:See version 2 of the script here where I have written it in PowerShell. This one is easier to understand and doesn’t require wget.exe. It will work on any machine with PowerShell v3 and greater.
Review
Malwarebytes Anti-Malware Rules is a useful free security tool with which you will be able to update the database of your Malwarebytes Anti-Malware antivirus software to the latest version available in an offline way. Although this task should be done automatically thanks to the use of an Internet connection, with this tool any user will be able to do it in those computers that lack of an online connection.
Therefore, if the automatic updating tool does not work properly, the download of this software is an optimal alternative to update your security program. This way, you will be protected with the latest technology against any kind of malware, such as virus, worms, rootkits, trojans, dialers, rogues or spyware, among others. All of these potential threats will be automatically detected and removed.
Moreover, the installation process and use of this program are fairly simple and intuitive. For that reason, the tool is suitable for any kind of user who is in possession of a Malwarebytes Anti-Malware program and needs to update its database offline. The own setup process is responsible for updating the database, so you will have very little to do in order to improve and enhance your software.
Improve your Malwarebytes Anti-Malware software
As we mentioned above, updating the database with Malwarebytes Anti-Malware Rules is pretty important in order to get the best results while using your antivirus software. Malwarebytes Anti-Malware Pro is a useful program to keep your computer protected from any sort of virus, spyware or malware. Among its main characteristics, this program not only detects the malware that has infected your PC, but also removes and protects it from any kind of virus or risk that could put your PC in danger.
In addition, The application is pretty light on system resources and enables you to perform any kind of action with your computer while analyzing and protecting it. In order to protect your computer, it might be beneficial to have the program’s database updated. This way, it can detect the latest threats. And there is where Malwarebytes Anti-Malware Rules makes its entrance, inasmuch as it allows you to do it completely offline in case you don’t have an Internet connection or the automatic updating process fails.
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Malwarebytes Anti-Malware Rules 2013.4.8.4 Features
The program of which database is updated by this free tool presents the following features:
- Database updated thanks to Malwarebytes Anti-Malware Rules
- Fast scans
- Cooperative functionality with most other antivirus products
- Chameleon tool to run the program while it is blocked
- Customizable setting to enhance performance
- Password to protect program settings
- Toolbox that provides extra utilities to remove threats manually
- Realtime Proactive Protection Module
- Support for different languages
If you want to find out more information about this download, you can visit the developer's website .
System requirements
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If you want to download and use this updating tool for the antivirus software, then you should take a look at the minimum system requirements that follow:
- Malwarebytes Anti-Malware previously installed in your PC
- OS: Windows XP, Vista, 7 or 8 (32-bit and 64-bit)
- Hard Disk Space: 7 MB available
Conclusion
Malwarebytes Anti-Malware Rules is a free useful tool that will keep your antivirus program updated since it renovates the database of the program. For that reason, we recommend you to maintain your PC protected from any kind of malware with this efficient software.
- Fast installation process
- Simple and easy to use
- Malwarebytes database updated
- Keep your PC protected from the latest potential threats
- Light on system resources
- No further uses