"Uncle Zakhar": who could he be and what will happen to him when he is caught.

[Problems]

Massive cyberattack on Russia's education system by a hacker known as "Djadya Zakhar." Over three days, threats were sent via electronic journals, and students' grades were altered, sometimes reaching the maximum. Authorities are exploring the legal repercussions, which could lead to prison time for the hacker. The attack affected multiple regions, causing significant disruption in schools.
source : https://yamal-media.ru/narrative/djadja-zahar