HEROIC Analysts Found bubop_cloud Dump in Private Telegram Channels

In July 2025, HEROIC analysts identified a stealer log collection called bubop_cloud actively circulating in private Telegram channels, placing 49,126 records of stolen credentials directly into criminal hands. Each record contains an email address, a plaintext password, and the URL of the site where the password was captured by malware running silently on the victim's device. The breach has been verified and the data is confirmed as circulatig across multiple criminal forums and dark web markets. For every one of those 49,126 individuals, login informaton that was once private is now a commodity available to anyone willing to pay.

Why This Is Dangerous

With 49,126 plaintext password records in circulation, criminals have a ready-made toolkit for account takeover at scale. Automated tools cycle through every record, attempting access to banking portals, email services, and retail accounts within hours of the data being released. Victims who have not yet changed their passwords remain fully exposed, and those who reuse passwords across multiple services face compounded risk extending far beyond a single compromised account. The fact that this dump was found in private Telegram channels -- not public forums -- suggests it was being traded selectively, meaning targeted attacks may already be underway.

What Was Exposed

• Email Addresses -- The master key to most online accounts; with it exposed, criminals have everything they need to attempt logins, trigger password resets, and hijack digital identities across dozens of platforms.
• Plaintext Passwords -- Unlike hashed passwords that require cracking, plaintext passwords are immediately ready for use, giving attackers instant access without any addtional tools or processing time.
• URLs -- The specific web addresses captured alongside each credential reveal exactly which services each victim uses, letting criminals prioritize high-value targets like banking and investment platforms first.

Why This Matters

Stealer log records like those in the bubop_cloud collection bundle together everything needed for an immediate login attempt -- no further research required. Criminal groups use automated credential stuffing frameworks to test thousands of email and password pairs per minute against popular services. When a match succeeds, attackers typically change account recovery details immediately to lock the legitimate owner out. The resulting fraud chain can include unauthorized purchases, drained bank accounts, and hijacked email accounts used to spread phishing attacks to the victim's contacts.

How Stealer Log Works

Stealer logs are produced by malware specifcally designed to harvest credentials from infected devices rather than from corporate databases. The infection typically arrives through pirated software, fake browser updates, or phishing emails -- after which the malware silently records keystrokes and extracts saved passwords from browsers and password managers. The harvested data is organized into log files and uploaded to criminal Telegram channels or sold on dark web markets. Because the theft happens at the individual device level, no company server is compromised and no breach notification is ever triggered -- victims remain unaware while their credentials circulate freely among attackers.

Check If You Are Affected

HEROIC's dark web intelligence platform has indexed over 400 billion compromised credentials -- including stealer log collections like bubop_cloud found circulating in private Telegram channels. Use the free scanner at heroic.com to check your email against this breach and thousands of others in seconds. With 49,126 records already in criminal hands, the time to act is now -- not after your bank account is drained or your email is locked out.