Inside the rambler.ru Leak: How Malware Grabbed 266 Passwords

HEROIC analysts identified a stealer log dataset filtered to rambler.ru login credentials, that a Telegram user uploaded on 17-Jul-2026. The file contains 266 records pulled from infected devices, including email addresses, plaintext passwords, and the login page URLs tied to those accounts.

Why This Is Dangerous

Every one of these 266 records pairs a working email address and password with the exact site it opens. There is no cracking or guessing involved, the malware that stole this data already did the work of confirming which password belongs to which account, handing attackers a ready to use list.

What Was Exposed

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

Why This Matters

A file of 266 records is small, but every account in it is at real risk. If a password from this rambler.ru file is reused on another site, attackers can use it for credential stuffing, account takeover, and in more serious cases identity theft or financial fraud.

How Stealer Logs Work

A stealer log starts the moment malware infects a device, often through a fake download, cracked software, or a malicious email attachment. Once running, it quietly scans the browser for saved passwords, autofill entries, and session cookies, then bundles everything it finds into a single log file. Attackers can sort that raw data by the website it belongs to, which is how a batch specifically tied to rambler.ru ends up packaged and shared as its own file on Telegram. Because the malware harvests whatever is saved locally, one infected device can generate credentials for many unrelated accounts at once.

Check If You Are Affected

If you want to know whether your information appears in this rambler.ru file or any other breach, HEROIC's free breach scanner checks your email against a database of more than 400 billion leaked records. Run a scan now and change any password that may have been exposed.