>4.1. Except when and if, and only to the extent expressly permitted by this License or by the applicable law of Russian Federation the User shall not be entitled to modify, decompile, disassemble, decrypt or perform other activities with the object code of this Software with the only purpose of obtaining information on how algorithms used in this Software are implemented, to create derivative products using the Software, and otherwise use, or allow other persons to do so, the Software without written consent of the Rights Holder. The User may make a modification of the Software solely for his or hers own use and reverse engineering for debugging such modifications. The User shall not be entitled to distribute, communicate, make the Software available for the general public or otherwise use such modifications, except as for his or hers own use.
>4.2. The User shall not be entitled to reproduce, distribute, communicate, make the Software available for the general public or otherwise use the Software for commercial purposes (including for payment), including as part of software product collections without written consent of the Rightholder.
I hope Yandex die.