Mix Fresh B4_Jx Stealer Log Leak Exposes 234 Plaintext Passwords

In May 2026, a stealer log file was uploaded to Telegram under the name "Mix Fresh B4_Jx," exposing 234 records tied to compromised devices in the United States. The dataset includes email addresses, plaintext passwords, and the URLs of the sites those credentials were used on, harvested directly from infected computers rather than stolen from any single company's servers.

Why This Stealer Log Leak Puts You at Risk

Unlike a traditional corporate data breach, this leak did not come from a hacked company database. It came from malware, known as an infostealer, that was already running on someone's computer. That malware quietly copied saved passwords, browser autofill data, and login URLs, then packaged them into a log file shared on Telegram for anyone to download. If your credentials are in this log, whoever picked it up now has a working username, password, and the exact site to use them on.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs of the sites where the credentials were used

Why This Matters

Because the passwords in this log were stored in plaintext, anyone who obtains the file can use them immediately, no cracking required. Attackers use logs like this for credential stuffing, automatically testing your email and password combination against banking sites, email providers, and social platforms. If you reuse passwords across accounts, one exposed login can quickly turn into a full account takeover, identity theft, or financial fraud.

How Stealer Logs Work

Stealer logs come from infostealer malware, malicious software that infects a device through a fake download, cracked software, or a phishing link. Once installed, it scans the browser and system for saved passwords, cookies, and autofill information, then sends everything back to whoever controls it. These logs are frequently bundled together and sold or given away for free in Telegram channels and dark web forums, exactly as happened here.

Check If You Are Affected

With 234 records already circulating, the safest move is to find out whether your information is one of them. HEROIC's free breach scanner checks your email address against more than 400 billion leaked records, including stealer logs like this one, so you can see instantly if your data has been exposed and take action before it's used against you.