Mix Fresh B4_Jx Stealer Log Leaks 2,327 Passwords and Emails

In late April 2026, HEROIC analysts identified a stealer log dump called "Mix Fresh B4_Jx" uploaded to a Telegram channel by an anonymous user. This time the file was larger than most, containing 2,327 records tied to United States based accounts, made up of email addresses, plaintext passwords, and the URLs of the sites those credentials were used on.

Why This Is Dangerous

With more than two thousand records in a single file, this dump gives an attacker a sizable, ready-to-use list of working logins. Because the passwords are stored in plaintext and each one is paired with the exact site it was used on, there is no cracking or guessing involved. Anyone who downloads the file can start testing credentials against real accounts immediately.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs of the associated login sites

Why This Matters

A file of this size is exactly the kind of dataset attackers use to run large-scale credential stuffing campaigns, automatically testing each of the 2,327 email and password pairs against email providers, banks, and shopping sites in the hope that people reused the same password elsewhere. A single successful match on an email account can cascade into password resets on other services, leading to identity theft or financial fraud that reaches far beyond the original leak.

How Stealer Logs Work

Stealer logs are produced by infostealer malware that infects a device through pirated software, cracked downloads, or malicious attachments, quietly pulling saved usernames, passwords, and browsing URLs directly from the victim's browser. Once collected, these logs are packaged and uploaded to Telegram channels or dark web forums, exactly as happened with this file, so that other criminals can acquire large batches of credentials at once.

Check If You Are Affected

With over 2,300 records in this single leak, the odds that your information is included are higher than with smaller dumps. HEROIC's free breach scanner checks your email address against a database of more than 400 billion leaked records, including this stealer log. Run a search now and secure any accounts that show up before someone else uses your data.