Our Analysts Found the Logs_cvv Dump Circulating on Telegram Channels

HEROIC analysts found a stealer log file circulating on Telegram on December 19, 2022. The file, named Logs_cvv, was uploaded by an anonymous user and contained 41,114 records harvested from compromised endpoint devices. The data included email addresses, plaintext passwords, and API host URLs. Our team verified the breach and added it to the HEROIC database. The presence of plaintext passwords in a file this large signals a serious and immediate risk to anyone whose credentials are included.

Why This Is Dangerous

Plaintext passwords require no cracking, no guesswork, and no additional effort from an attacker. They work right away. Combined with the email addresses and API host URLs also included in this file, an attacker has a complete toolkit for logging into accounts, accessing backend systems, and potentially pivoting into connected services. At 41,114 records, this is not a small or isolated incident.

What Was Exposed in the Logs_cvv Stealer Log

• Email Addresses
• Plaintext Passwords
• URLs and API Host Endpoints

Why This Matters for Your Security

When a stealer log this size gets shared on Telegram, it gets downloaded many times over. Attackers use these files for credential stuffing, running automated scripts that try each email and password combination across banking sites, social media accounts, email platforms, and streaming services. Identity theft and financail fraud are common outcomes, especially when passwords are reused across multiple accounts. Even years after the orignal breach, these files continue to circulate and be used.

How Stealer Log Breaches Work

A stealer log is the output of infostealer malware. The malware gets onto a device through a phishing link, a fake software installer, or a malicious attachment. It then quietly harvests every password saved in the browser, every login typed into a form, and every credential stored on the machine. That data is sent to the attacker and compiled into a log file. The log then gets sold or shared freely on dark web forums and Telegram channels, where other criminals use it for their own attacks.

Check If Your Information Was Exposed

HEROIC runs a free scanner that searches more than 400 billion leaked records, including the Logs_cvv breach from December 2022. Type in your email address to find out if your credentials appear in this or any other known data leak. If they do, change your passwords immediately and set up two-factor authentication on all your accounts.