How the Xavier_Log Leak Exposed 3,474 Passwords Online

On 19-Jul-2026, HEROIC analysts discovered a free stealer log named "Xavier_Log - 210 Xavier_Group" circulating on Telegram. The file contained 3,474 records, each combining an email address, a plaintext password, and the URL of the site that login belongs to.

How the Xavier_Log Leak Happened

It starts with malware, often disguised as a cracked program or a free download, installed on a victim's device without their knowledge. Once running, it quietly reads saved passwords straight out of the browser, records the site each one belongs to, and sends everything back to whoever controls the malware. From there, the stolen data is bundled into a file and uploaded to a Telegram channel like the one HEROIC found this log on.

What Xavier_Log Exposed

• Email addresses
• Plaintext passwords
• URLs of the sites each login was used on

Why This Matters

Because the passwords were captured directly from victims' browsers, they are stored in plaintext and ready to use immediately. Anyone among the 3,474 affected records who reused a password elsewhere is at risk of credential stuffing and account takeover.

How Stealer Malware Turns One Infection Into a Larger Group Leak

A single piece of malware can infect many devices at once, which is why files like this one, labeled "210 Xavier_Group," often reference a specific number of victims tied to one distribution campaign. Every additional infection adds more records to the same growing file.

Check If You Are Affected

To see whether your email or password is part of the Xavier_Log leak, or any other breach, run a free scan with HEROIC against a database of more than 400 billion leaked records.