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Components updated in Dr.Web 11.5 products for Windows

April 20, 2021

Russian anti-virus company Doctor Web has updated Dr.Web Scanning Engine (, Lua-script for antispam (, the Dr.Web Updater module (, SpIDer Agent for Windows (, Lua-script for updater ( and Lua-script for updater (, as well as the components Dr.Web Security Space, Anti-virus for Windows setup ( and Dr.Web Anti-virus for Windows servers setup (, in Dr.Web Security Space 11.5, Dr.Web Anti-virus 11.5 and Dr.Web Anti-virus 11.5 for Windows Servers. The update delivers fixes for identified issues and ensures that the Dr.Web software modules cannot be updated on Windows machines that do not support SHA-256 (the virus databases will be updated as scheduled despite these limitations).

Changes made to Dr.Web Updater:

  • A pop-up message is now displayed if Windows updates need to be installed;
  • Issues preventing information about the system OS (Windows 10 Pro and Windows 10 Home) from being added to the log file have been resolved;
  • Adjustments have been made to ensure that the anti-spam module works properly;
  • The stability of the applications has been improved.

Changes made to Dr.Web SpIDer Agent for Windows:

  • A different icon is now used in the message prompting users to install updates for their version of Windows.

Changes made to Lua-script for updater (

  • A notification text informing users that the Dr.Web modules cannot be updated if SHA-256 is not supported in the protected system has been added;
  • Module updating is now blocked under operating systems that do not support SHA-256.

Changes made to Lua-script for updater (

  • The Dr.Web software can no longer be updated from new update sources by using an updating mirror under older Windows versions.

The update will be performed automatically; however, a system reboot will be required.

Important: to ensure that the Dr.Web software operates correctly under Windows Vista, Windows 7, Windows Server 2008 or Windows Server 2008 R2, Microsoft security updates providing SHA-256 support must be installed in these systems. For additional information, please refer to this guide.

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