13,881 Passwords From the Xavier_Log Dump Just Surfaced Online

HEROIC analysts identified a stealer log named "Xavier_Log - 4850 Xavier_Group Premium.part2" uploaded to Telegram on August 2, 2026. The file contains 13,881 records of credentials harvested directly from infected devices, including saved browser logins and the URLs they belong to.

Why the Xavier_Log Stealer Log Is Dangerous

Unlike a list of old leaked passwords, a stealer log like Xavier_Log comes straight from a live, infected device. The malware that created it reads saved logins directly out of the victim's browser, which means the email addresses, passwords, and URLs in this file were almost certainly still active and in use at the time they were stolen.

Because the passwords are stored in plaintext, an attacker who buys or downloads the Xavier_Log dump does not need to crack or decode anything. They can immediately test each set of credentials against the exact website the URL points to, which makes account takeover fast and highly targeted.

What Was Exposed in the Xavier_Log Stealer Log

• Email addresses
• Plaintext passwords
• Associated login URLs

Why the Xavier_Log Leak Puts Your Accounts at Risk

A stealer log ties each stolen password directly to the site it unlocks, which removes the guesswork attackers normally face with a plain combolist. That makes credential stuffing and account takeover faster and more precise. If your credentials are in the Xavier_Log dump, an attacker already knows exactly which of your accounts to try first.

From there, the risk extends outward the same way it does with any stolen login: access to an email account can be used to reset passwords elsewhere, and reused passwords on financial or shopping accounts can lead directly to fraud. With 13,881 records in this log, every one of them represents a device, and a person, that was actively compromised.

How the Xavier_Log Stealer Log Was Created

Stealer logs like Xavier_Log come from information-stealing malware, malicious software that infects a computer, often through a fake download, cracked software, or a malicious email attachment. Once installed, the malware quietly scans the browser's saved password manager and autofill data, then sends everything it finds, email addresses, plaintext passwords, and the login URLs, back to the attacker who controls it. The "part2" and "Premium" labels in this file's name suggest it is one piece of a larger set being sold or shared in stages.

These logs are then bundled up and sold or shared on Telegram channels like the one where Xavier_Log surfaced, giving other criminals a ready-made list of live, working credentials to exploit.

Check If You're Affected by the Xavier_Log Leak

If you're wondering whether your credentials ended up in the Xavier_Log stealer log, or in any other breach on the dark web, HEROIC's free breach scanner checks your information against a database of more than 400 billion leaked records. Run a scan now, and if your email turns up, change that password immediately, along with any other account where you reused it.