Ensure Steam Guard (2FA) is activated on your account to prevent unauthorized access [1].
If you have already downloaded such a file, scan it with reputable antivirus software before opening it.
It may prompt you to enter your credentials on a fake site, harvesting your information. How to Stay Safe
Often, scammers create files named hq_steam.txt , steam_token.txt , or steam_hack.txt to trick users into downloading them, usually claiming they contain free currency, account credentials, or game cheats [1].