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Components updated in Dr.Web 11.5 and 12.0 for Windows, Dr.Web Enterprise Security Suite 12.0, and Dr.Web AV-Desk 13.0

September 14, 2021

Russian anti-virus company Doctor Web has released a software update affecting versions 11.5 and 12.0 of Dr.Web Security Space, Dr.Web Anti-virus and Dr.Web Anti-virus for Windows Servers as well as Dr.Web Enterprise Security Suite 12.0 and Dr.Web AV-Desk 13.0. These changes have made the applications more secure and easier to use.

The self-protection module Dr.Web Protection for Windows ( in version 12 of the corporate and home anti-virus products and in Dr.Web AV-Desk 13.0 has been updated to enhance product security.

Furthermore, changes have been introduced to the Dr.Web Updater update module (

  • An issue causing incorrect information about running protection components to be displayed has been addressed. Corresponding adjustments have been made to the configuration script Lua-script for main (;
  • An issue that could cause the module to terminate abnormally has been resolved;
  • To keep users well informed about the module's operation, an Error 2 message is now displayed if an update mirror directory is unavailable;
  • Minor tweaks have also been introduced.

In addition, the module Dr.Web Thunderstorm Cloud Client SDK ( has been updated in Versions 11.5 and 12.0 of Dr.Web Security Space, Dr.Web Anti-virus and Dr.Web Anti-virus for Windows Servers as well as in Dr.Web AV-Desk 13.0. Now the module uses OpenSSL 1.1.11, which contributes to an overall security boost in Dr.Web software’s operation.

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

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Doctor Web is the Russian developer of Dr.Web anti-virus software. Dr.Web anti-virus software has been developed since 1992.

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