This software is what is used to all info from your Telegram account. Israeli tech firm NSO Group is facing a $500 million default after being blacklisted in the US over its Pegasus phone-hacking technology that was allegedly used to spy on political dissidents, journalists, and rights activists.
https://www.rt.com/business/541035-israeli-spyware-firm-phone-hacking/
https://www.rt.com/business/541035-israeli-spyware-firm-phone-hacking/