MalwareHunterTeam found a new malware called NitroHack that modifies the Windows discord client to turn it into an account-stealing Trojan. This malware is being distributed on Discord to infected user’s friends via DM messages that promote it as a way to get get you the premium Discord Nitro service for free. The malware steals user tokens saved in the various browsers, credit card information, and then tries to spread it to others. It will also attempt to alter the same JavaScript file in the Discord Canary and Discord Public Test Build clients.
Source: https://www.bleepingcomputer.com/news/security/discord-modified-to-steal-accounts-by-new-nitrohack-malware/