Windows Security Tools

  • Windows Defender

    Free Windows Website

    Windows Defender is built into Windows to help guard your PC against viruses, spyware, and other malicious software in real time. Windows Defender features Real-Time Protection, a monitoring system that recommends actions against malware when it's detected, minimizes interruptions, and helps you stay productive.


    Windows Defender icon
  • VirusTotal

    Free Mac OS X Windows Web Android Website

    VirusTotal is a free service that analyzes suspicious files and URLs and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware.

    You can upload files up to 150 MB in size.

    Applications for Windows, Mac and Android are also available to upload files to VirusTotal service.

    Both VirusTotal and Rotarua Limited are owned by Google.


    VirusTotal icon
  • Winja

    Free Windows Website

    Based on the success of our Small PhrozenSoft VirusTotal Uploader iconPhrozenSoft VirusTotal Uploader, Phrozen Software is proud to introduce Winja, which provides even greater malicious file scanning and monitoring capabilities. Winja—short for “Windows Ninja”—is much more than an advanced uploader and multi-engine antivirus scanner.

    We took the Small VirusTotal iconVirusTotal application programming interfaces (APIs) and recoded them from scratch to bring you a powerful, fast, and user-friendly scanning and monitoring utility. Winja checks for existing scans before uploading files to save you time and efforts. It also includes a rescan option, so you can scan your files against the latest antivirus databases. Winja is designed to deliver the quality and capability you have come to expect from a Phrozen Software product. Of course, we paid close attention to the interface design and usability to make it comfortable and convenient to use for inexperienced users, but we also included extra features to make it a powerful tool for advanced users as well. Winja is lightweight and stable, to perform effectively and efficiently even on older computers. With Winja, you can easily scan files on your local system, scan and download files from the web, and scan running system processes. Winja’s “Extra Tools” panel also allows you to scan and monitor scheduled tasks, startup activities, and services. We specifically designed and coded the Extra Tools panel be plugin-ready, which means it can be progressively updated via our new Live Update System with any number of future functionalities. By submitting suspicious files you find with Winja to VirusTotal service, you participate in helping antivirus companies around the world keep virus definitions up to date and stay on top of digital security trends.


    Winja icon
  • Hardentools

    Free Windows Website

    Hardentools is a collection of simple tools to help harden Windows by disabling features that present a higher security risk like Windows Scripting Host and Microsoft Office Macros. Changes from the software can easily be undone with a Restore button available after initial hardening.


    Hardentools icon
  • Simple Software Restriction Policy

    Free Windows Website

    Security add-on for Windows. Make it considerably harder for unwanted software to get launched. Not through file signatures but through identifying places where executables have no right to be, for example Documents folders.


    Simple Software Restriction Policy icon
  • Mozilla Firefox

    Free Mac Windows Linux Android iPhone ... Android Tablet BSD iPad Haiku Website

    Mozilla Firefox (known simply as Firefox) is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation.


    Mozilla Firefox icon
  • Adblock Plus

    Free Mac OS X Windows Linux iPhone Chrome OS ... BSD iPad Microsoft Edge Internet Explorer Vivaldi Browser Chrome Safari Yandex.Browser Opera Firefox Website

    Adblock Plus is a free extension that allows you to - among other things - block annoying ads, disable tracking and block domains known to spread malware.

    Available for Chrome, Firefox, Internet Explorer, Maxthon, Opera, Safari and Yandex, Adblock Plus uses filters that you choose to block all unwanted elements.
    Small Adblock Browser iconAdblock Browser , a mobile web browser with Adblock Plus built-in, is also available for Android and iOS.

    Adblock Plus itself does not block ads by default. However it does unblock 3rd party ads who pay to be included on our whitelist via EyeO, our parent company.

    Adblock Plus requires the user to "tell" it what to block by adding external filter lists. Filter lists are essentially an extensive set of rules that tell Adblock Plus which elements of a website to block. Our default whitelist is enabled by default overriding all blocklists by default.

    You can add any filter list you want. For example, block tracking or malware. You can also create your own filter lists. Almost all filters are open source, therefore many filter lists have been created by Internet users.

    You can "opt" out of our unblocking whitelist by disabling it manually.

    Filter lists enabled by default include:

    An ad-blocking list selected based on your language (EasyList)
    The Acceptable Ads list

    These are enabled to get you started. You can remove them or add others - it's up to you.

    EasyList corresponds to your browser language and is aimed at disabling ads that are considered to be intrusive by our community of users. Eyeo GmbH did not draft EasyList and therefore has no right to, or control over, its content other than our default global whitelist. Visit the EasyList Community for more information.

    The Acceptable Ads whitelist displays ads that comply with the acceptable ads criteria. The list is maintained by Eyeo GmbH.


    Adblock Plus icon
  • VirtualBox

    Free Mac Windows Linux BSD Solaris Website

    VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2.

    Virtualbox is available in 28 languages.


    VirtualBox icon

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