19K Mix Telegram Stealer Log: 18,931 Credentials Exposed

In late February 2026, a file quietly changed hands on Telegram. Known now as 19K Mix uploaded by a Telegram User, this stealer log carried 18,931 records worth of email addresses, plaintext passwords, and browsing URLs pulled straight from infected computers. There was no press release, no warning. Just a file drop in a channel, and thousands of people's logins suddenly available to anyone willing to look.

Why This Is Dangerous

Stealer logs are different from a typical company data breach. Instead of one organization losing a customer database, this kind of leak comes straight from individual devices that were infected with malware. That means the passwords inside are not hashed or scrambled in any way, they are sitting in plaintext, exactly as the victim typed them. Anyone who downloads this file can recieve a ready made list of working logins without doing any extra work to crack them.

What Was Exposed

• 18,931 total records
• Email addresses
• Plaintext passwords
• URLs tied to the accounts and services used

Why This Matters

Because the URLs are bundled with the emails and passwords, whoever grabs this file can definately match a login to the exact site it belongs to. That makes it trivial to try credential stuffing across banking, email, and shopping accounts. If a password from this dump was reused anywhere else, that account is at risk too.

How Stealer Logs Work

A stealer log usually starts with a piece of malware that lands on a victim's machine through a cracked program, a bad email attachment, or a fake download. Once installed, it quietly scans the browser for saved passwords, autofill data, and session cookies, then bundles everything into a text file and sends it back to whoever controls the malware. That file gets sold, traded, or in this case, just uploaded to a Telegram channel for anyone to grab.

Check If You Are Affected

You do not need to guess whether your information showed up in a leak like this one. HEROIC runs a free breach scanner that checks your email against a database of more than 400 billion leaked records, including stealer logs just like this one. It takes a minute to check, and it is a lot faster than finding out the hard way that someone else is using your password.