1. Old release notes

Version 4.8.0

Release date: Dec 24th, 2019

New features:

  • Bitdefender joins Commercial Cloud!

  • New UI for leaderboard and licensing page

  • Added new scan result codes: PUA (22) and unsupported application (23)

Fixed issues:

  • added a default filename with correct extension to the sanitized version of files uploaded without a filename

  • "Microsoft Defender ATP" engine was renamed to "Windows Defender"

  • Fixed infinite scroll on the account page

Version 4.7.0

Release date: Dec 5th, 2019

New features:

  • McAfee joins Commercial Cloud! The well-known engine is now part of our commercial engines offering for paid customers.

  • New account page: we are continuing our website update process with an update to the UI and UX of the account page. We additionally added more usage charts for Sandbox analysis, Domains and URL lookups, as well as merging the coupon page into the account page.


Fixed issues:

  • Enhanced file type extension detection

  • Fixes for use cases where files never finish scanning

  • Optimizations for autoscaling capacity based on traffic

  • Localization updates

  • UI polishing

Version 4.6.5

Release date: 14 November 2019

Fixed Issues:

  • Fixed rescanning for files sent with invalid scan rules

  • Enhanced scanning to reduce the number of timeouts for files

  • Improved error messages

  • UI fixes

Version 4.6.0

Release date: 23 October 2019

New Features:

  • Threat intelligence feed whitelist: a new addition to our Threat Intelligence family of feeds, the "Latest Whitelist Feed". Gain instant access to the latest hashes detected as clean by our multiscanning engines and add them to your organization's whitelist. The feed can be queried up to 1 year in the past, and filtered based on file category. Read more in the documentation page.


Fixed Issues:

  • Lots of fixes to our new homepages

  • Fixed several backward compatibilities redirect issues

  • Improvements for scan performance

Version 4.5.0

Release date: 30 September 2019

New features:

  • OPSWAT Threat Name: to make it easier for users to understand the nature of threats without having to evaluate dozens of different threat names generated by anti-malware engines, each with its unique format, OPSWAT has introduced a general "threat_name" field. This field can be seen:

    • in the latest infected hashes feed: all the infected hashes from the feed will have an associated threat name

    • when doing lookups by hash or by data_id: all the new file scans will have this property from now on. It is also visible in the UI under the SHA256 property


  • Free user limit increase: because of popular demand we are increasing the limit of Prevention API for our free users from 40 to 100 requests per day. This allows our community to submit more files to be analyzed and sanitized, or request rescanning of files. Happy scanning!

Version 4.4.6

Release date: 5 September 2019

Fixed issues:

  • Fixed file sanitization download issues

  • Updates to malware sharing partner program

  • Performance improvements

Version 4.4.3

Release date: 13 August 2019

Fixed issues:

  • Added a new "In queue" status to better reflect file processing

  • Fixed issues when sanitized filename wasn't always correct

  • Improved IP/URL reputation sources

  • Outbreak report now includes a dropdown to review previous reports

Version 4.4.0

Release date: 24 July 2019

New features:

  • Introducing a new feed for reading the latest infected hashes. Exposing infections in real-time as they are scanned, this new feed offers different options for filtering hashes based on the file type and date scanned. The free version of the feed offers access to the first 1000 hashes each day.

Fixed issues:

  • Added sha1 to the file upload response for checking if the file upload was done correctly

  • Fixed issues when the scan results progress percentage was 100% but the scan result code was 255

  • Added the option to undo a vote on a hash

  • Removed unnecessary fields from file upload response

Version 4.3.0

Release date: 19 June 2019

New Features:

  • Safe URL redirect: Browsing the web has just become safer with our new safe URL redirect feature. Your product can now replace all URLs with MetaDefender Cloud safe URLs for a fast and safe web browsing experience. Start preventing browser-based attacks today! See our documentation for more details.

  • images/download/attachments/4084064/safe-01.png

Fixed issues:

  • The threat intelligence feed can now be queried based on categories

  • The month dropdown from the market share report and the leaderboards now changes the URL

  • Enhanced file type extension detection

  • Fixes to scan results information

Version 4.2.0

Release date: 30 May 2019

New Features:

  • Multi-region cloud: starting this version, our cloud is hosted in an additional region besides North America: Europe central. This means not only that the speed of the API requests will improve for our users in Europe, but also that their data will not leave the continent (files will be uploaded, hosted and scanned within the European continent). This feature is enabled by default via DNS geo-load balancing.

  • We have added a navigation dropdown to our leaderboards. Now users can view previous versions of leaderboards and compare rankings.

  • images/download/attachments/4084064/image2019-5-29_14-39-26.png

Fixed issues:

  • Fixed spacing and alignment issues generated by Japanese translations.

  • File uploads now also return the sha256 checksum (helpful for verifying that the file was uploaded correctly)

  • Enhanced code snippets

Version 4.1.0

Release date: 8 May 2019

New Features:

  • Multi-language support: this release of MetaDefender Cloud brings support for multiple languages, the first language added is Japanese. More languages will be added in the future.

  • images/download/attachments/4084064/Screenshot_from_2019-05-08_19-47-43.png
  • New leaderboard: users with the most votes will now be part of our new Top Voters leaderboard.

  • images/download/attachments/4084064/image2019-5-8_21-29-49.png

Fixed Issues:

  • Enhanced sanitization error: all files which have failed to sanitize will have additional information displayed in the UI

  • Updated all code snippets to v4 API

  • Added extra descriptions for multiple sections in the website

  • Fixed reputation points notifications not being displayed

  • Package efficacy report form was not loading

Version 4.0.0

Release date: 10 Apr 2019

New Features:

  • Callback URL: With this version, there is an alternate way of scanning files besides long polling by data_id. Users can now send a "callbackurl" webhook where we will POST the results once scanning is finished, making reading the scan results more lightweight on the client side. Please see the documentation.

  • Market Share Report navigation: navigating through our different Market Share Reports can now be done using the dropdown menu:

  • images/www.development-q5nzhaa-442hyojbcwqlk.us.platform.sh/uploads/assets/images/ms.png_asset_22348_url
  • Official switch to V4: we have recently announced the release of our V4 API. Now we are officially changing the API version to 4.0.0 to reflect the API change. Checking the API version can be done via the version endpoint.

  • We have increased the sandbox limit for registered users: non-registered users continue to have a limit of 1 dynamic analysis per day, while registered users will be able to perform 5 dynamic analysis per day for free.

Fixed issues:

  • Improved error handling for limit reached

  • The leaderboard has been updated to only show 1 point for each submission instead of 5 points

  • Better handling of file scans sent by URL ("downloadfrom" header)

Version 3.77.0

Release date: 8 Mar 2019

New Features:

  • Android Info: APK files uploaded are now analyzed and the Manifest metadata is now stored and displayed in the UI. This is info is also available via API.

  • images/download/attachments/4084064/image2019-3-25_15-19-1.png
  • V4 API: The latest version of our API, designed with modularity in mind, and compatible with MetaDefender API. See 6. V4 API for details.

Fixed issues:

  • User activity history was missing frontend activity

Version 3.76.0

Release date: 22 Feb 2019

New Features:

  • The first beta release of Dynamic Analysis:


Fixed issues:

  • Removed duplicates in file scan history

  • Performance improvements for hash lookup

  • In certain cases, the throttling message was not displayed

Version 3.75.0

Release date: 18 Jan 2019

New features:

  • We added 2 new engines to our free offering: Baidu and Jiangmin, reaching a total of 37 engines.

  • File Exif and Portable Executable information (peinfo) have been moved to the "File information" tab

  • We simplified our vulnerability submission process, to make it easier to report vulnerabilities:


Fixed issues:

Version 3.74.0

Release date: 27 Dec 2018

New features:

  • URL scanning and Domain scanning were released, and added as search options in our multi search bar

  • Repository scanning: using a single API call scan a git repository from one of the supported vendors: Github, Bitbucket or Gitlab.

  • File badge: display a badge showing the scan results of a hash on any website

  • Popup to remind the users to update their automatically generated nicknames

  • We created a Leaderboard to promote our monthly most active malware contributors.

Fixed issues:

  • Default nickname format update

  • Market Share Report data is now loading from CDN

  • Improved the display of scan results for clean archives with infected files attached

  • Added throttling for URL and domain bulk lookups