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Please use English on this forum or write on the Russian/Ukrainian forum.
But if the translator is correct then no one on the forums will be able to help you in any way.
If you suspect your account was used by someone else to commit any forbidden actions, please contact Support, if possible with proof for other, unusual login locations. You can find support and instructions on how to contact them here: https://support.gaijin.net/hc/en-us/articles/360000262858-How-to-submit-a-support-request