Free anti-malware & antivirus specialized in ransomware

IObit Malware Fighter is a free anti-malware and antivirus program that offers total protection to your PC against ransomware and malicious files of all types. It works from an online database constantly updated and intuitively uses the system resources without affecting its performance or speed. Without any doubt, it’s a highly recommendable option.

A powerful and free anti-malware & antivirus program

Every day, any computer connected to the Internet faces hundreds of threats. Therefore, having a program like IObit Malware Fighter seems fundamental. The latest version of this software has increased its analysis speed by 130% compared to the previous one and manages the computer resources very efficiently. It makes special emphasis on ransomware, that is, in those malicious programs that hijack information on your drives and demand a ransom to allow you access them again. On the other hand, it’s very reliable when protecting the user’s security and private information thanks to its ongoing running system without using too many resources. It also includes ad-block and anti-tracking protection filters and Safe Box as additional options for the user. Not to mention it guarantees complete safety when web browsing and file downloading.

A simple and very friendly interface

The developers of IObit have created a simple and user-friendly user interface. This has been designed with a black background and elements in green and red which differentiate the areas that are protected from those that are not. Once the program is installed, the user can run it, after which a half window will open in which it will appear. To double check if your system is safe, you can run a quick scan with a single click. On the left-hand side of the screen, there is a menu with all the additional options available. Here you can perform a more elaborate scan, check the web for any pending updates or enter the shared resources center. There is also a tab to access additional program features.

Maximum protection cost-free for your PC

There is no doubt that IObit Malware Fighter is a very complete and effective antivirus software. In fact, it has been offering protection against malicious files to thousands of users for more than a decade. In this sense, Its 'anti-ransomware' is considered to be amongst the most powerful ones on the market. The problems generated by viruses like WannaCry to many users highlight the importance of being protected. In addition, it’s highly efficient using very few resources and guarantees data protection. And, all this, free of charge. You can't ask for more. If you are looking for other free alternatives, we recommend you to download Malwarebytes Anti-Malware and SpyBot Search & Destroy.

IObit Malware Fighter 8 protects your PC from potential cyber attacks and identity theft.

IObit Malware Fighter 8 is a powerful and comprehensive anti-malware and anti-virus program that can protect your PC against the latest spyware, adware, ransomware, Trojans, keyloggers, bots, worms, hijackers, viruses, etc. In addition, IObit Malware Fighter 8 also strives to keep your data, browsers, and system more secure with the enhanced Data Protect, Browser Protect, and Security Guard. New Sensitive Data Protect combines with the powerful Safe Box, which can block unauthorized access to your protected data from third-party programs. Moreover, IObit Malware Fighter 8 helps you stay away from annoying ads, malicious sites, and more with the feature of Surfing Protection & Ads Removal for a better surfing experience.

IObit Malware Fighter 8 with the new generation of IObit Anti-malware Engine and the world-leading Bitdefender Engine to offer users all-around PC protection.  According to a large number of performance tests, the new version with 50% faster-scanning speed, 100% enlarged anti-malware database detects more hidden threats and ensures to prevent and remove the latest threats more efficiently, the new feature of New Advanced Heuristics can handle the risks caused by virus variants with more confidence. Moreover, IObit Malware Fighter 8 added new Email Protection to protect your web email against potential email-borne threats. In a word, IObit Malware Fighter could be your good choice to defense against external threats to secure your cybersecurity.

What's new:

  • Improved the compatibility with Windows 10.
  • Enhanced threat detection and removal capability, especially for some stubborn threats.
  • Expanded database to remove the latest threats including Trojan.Vidar and Malware.Hancitor.
  • Fixed known bugs.


  • Triple protections against ransomware
  • Very efficient against cryptocurrency-mining malware
  • Very quick scanning and customized analysis
  • User friendly interface


  • Difficult to uninstall all your files

Older versions

User reviews about IObit Malware Fighter

  • Winter Frost

    by Winter Frost

    I am very pleased with all of the IObit Suite's Softwares, I find IObit Malware Fighter to be the top of the line for Catching Malware & Viruses t More

  • Sergey Dorogov

    by Sergey Dorogov

    Worth a try.. Low on resources. I haven't found it intrusive, nor overly aggressive. It has a nice interface that keeps things simple for the average  More

  • Apps From The Box

    by Apps From The Box

    Very efficient antivirus tool. Recommended to everybody.
    Easy-to-use interface, powerful detecting engine, huge antivirus database.

  • Paul Anderson

    by Paul Anderson

    Good antivirus, worth getting the product key to activate it, but I wish it was available for Android too, although it doesn't mention it on the revie More

  • Leila Almasi

    by Leila Almasi

    I was surprised at how this software is actually better than Malwarebytes. To be honest, I've read quite a handful of bad reviews against IObit Malwar More

  • Amit Kummar

    by Amit Kummar

    Words can't perfectly describe how good this product is. In fact, I actually bought the iobit malware fighter pro because I am beyond satisfied with t More


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