The virus attack on Ukrainian companies began on June 27 because of the updates to the electronic document management program M. Doc. This was reported in Facebook by the Department of Cyber ??Police of the National Police of Ukraine.

The software has a built-in update function that periodically accesses the server. Another update occurred in 10. 30, the specialists of the department.

Loading activated the virus, argue in the National Police.

"In the future, malicious software was distributed using a vulnerability in the Samba protocol (also used during WannaCry attacks)," it was informed..

Cyberpolicy recommends users not to apply updates that the software M offers. Doc at startup.