Volcano Cloud 777count Log Put 40,292 US Credentials on the Dark Web

In July 2025, HEROIC analysts identified a stealer log dataset uploaded to Telegram under the label Volcano Cloud 777count, exposing 40,292 records harvested from infected endpoint devices across the United States. The dataset contained email addresses, plaintext passwords, and URLs -- a complete credential package that requires no additional processing before it can be used in attacks. Stealer logs like this one are not the result of a company being hacked in the traditional sense. They are produced by malware that runs silently on individual devices, extracting credentials as victims use them, then packaging the results for sale or distribution through Telegram channels and dark web markets.

Why This Is Dangerous

Stealer log data is among the most actionable material circulating on dark web marketplaces and Telegram channels. Because the passwords captured are plaintext -- meaning they were never encrypted -- attackers do not need to crack anything. They can attempt to log into email accounts, banking portals, and corporate platforms immediately after obtaining the file. The inclusion of URLs tells attackers exactly which websites each victim was using, allowing them to target logins with precision rather than guessing. This makes Volcano Cloud 777count data significantly more dangerous than a typical hashed password dump from a database breach.

What Was Exposed

• Email Addresses
• Plaintext Passwords
• URLs (website addresses visited or stored on the infected device)

Why This Matters

When plaintext credentials are combined with the specific URLs where those credentials were used, the risk of account takeover is definately elevated. Attackers can attempt credential stuffing across dozens of platforms using the same email and password combination, target high-value accounts like banking portals, crypto wallets, or corporate email systems, and sell verified working credentials in underground markets. Even if you beleive your device is clean today, if your credentials appeared in a stealer log, the damage may already have occured. Compromised email accounts can also be used as launchpads for phishing attacks against a victim's contacts, extending the harm well beyond the original victim.

How Stealer Log Breaches Work

A stealer log breach starts when infostealer malware infects a device -- typically through a malicious download, phishing link, or cracked software installation. Once installed, the malware quietly collects saved browser credentials, cookies, autofill data, and active session tokens. It packages everything into a log file and transmits it to a command-and-control server or directly to a Telegram channel operated by the threat actor. These logs are then sold, shared, or published in bulk under names like Volcano Cloud 777count. Unlike database breaches, stealer logs capture data as the victim uses it, which means the credentials are almost always current and valid at the time of collection -- and highly valuable on dark web markets.

Check If You Are Affected

HEROIC's free breach scanner checks your email address against more than 400 billion compromised records, including Telegram stealer log archives like the Volcano Cloud 777count dataset. If your credentials appear in this dataset or any other known breach, HEROIC will identify it so you can take action before attackers do.

Run a free scan at HEROIC.com right now -- no account or payment required. Find out in seconds whether your email and passwords are already circulating on the dark web.