The cvv190_cloud Stealer Log Gave Hackers 23,615 Plaintext Passwords to Exploit

HEROIC analysts discovered a stealer log upload attributed to a Telegram user in January 2024, identified by the label "cvv190_cloud". The dataset contains 23,615 records collected from compromised endpoint devices, including email addresses, plaintext passwords, and the URLs of sites those users were visiting or logging into. The data was shared openly on a Telegram channel, making it accessable to a broad audience of potential bad actors without any purchase or special access required.

Why This Is Dangerous

Plaintext passwords are as dangerous as data gets. There is no decryption step, no hash to crack, and no technical skill needed to use them. Anyone who obtained this file can simply open it and start testing the email and password combinations against popular websites, banking portals, and email providers. With 23,615 records and URLs pointing to the exact services those victims were using, an attacker has both the keys and a map showing exactly which doors to try them on. Automated tools can cycle through all 23,615 combinations in a matter of hours.

What Was Exposed

The cvv190_cloud stealer log contained the following data for each of the 23,615 affected records:

• Email Addresses
• Plaintext Passwords
• URLs (websites and API endpoints visited by victims)

Why This Matters

Credential dumps like this one are a direct pipeline to account takeover attacks. When someone reuses the same password across multiple services, a single stolen credential can unlock their email, online banking, cloud storage, and social media all at once. Finantial fraud, identity theft, and unauthorized purchases often follow within days of a credential set going public. The open Telegram distribution of this log means it was not limited to a small group of sophisticated attackers but was available to anyone who stumbled across the channel.

How Stealer Logs Work

Stealer malware typically arrives on a victim's device disguised as something legitamate, like a cracked software tool, a game cheat, or a fake browser update. Once installed, it quietly scans for saved passwords in browsers like Chrome and Firefox, grabs any autofill data, and records the URLs of recent logins. All of that information gets bundled into a log file and sent to the attacker's server. The victim rarely knows anything happened. The attacker then either uses the credentials directly, sells the log to others, or, as in this case, dumps it on a platform like Telegram for anyone to use.

Check If You Are Affected

If you use any of the websites or services referenced in this log, your login details may have been captured and shared. HEROIC provides a free scanner that searches more than 400 billion exposed records, including stealer logs like cvv190_cloud, to check whether your email address appears in any known breach. Run a free scan now to find out what attackers may already know about your accounts, and take steps to secure them before it is too late.