NewWlfrCloud Data Breach: 40,865 U.S. Infostealer Credentials Leaked in June 2025

HEROIC's DarkHive intelligence system discovered the NewWlfrCloud data breach, exposing 40,865 records on June 15, 2025. This Telegram-distributed stealer log was released by NewWlfrCloud, a separate infostealer channel operating independently from Slurm Logs. It contains email addresses, plaintext passwords, and login URLs captured by infostealer malware from U.S. user devices.

Why This Is Dangerous

Stealer logs expose plaintext credentials captured live at the point of login. Each of the 40,865 records contains a working password paired with the exact website where it was entered. Attackers recieving this data can immediately launch credential stuffing attacks against banking, email, and ecommerce platforms with no decryption required. Thier automated tools validate logins in bulk, often identifying compromised accounts within hours of a new dataset appearing on Telegram.

What Was Exposed

• Email addresses
• Plaintext passwords
• Login URLs

Why This Matters

NewWlfrCloud is a distinct Telegram channel with its own malware infrastructure, meaning victims in this dataset may not appear in Slurm Logs or other concurrent campaigns. Credentials from this June 15 release have been in circulation since that date, providing ample time for testing and use in credential stuffing operations. Identity theft, financial fraud, and unauthorized account access are the primary risks. Password reuse across seperate platforms multiplies the threat, and the simultaneous operation of multiple infostealer channels on the same date means affected users could be exposed in more than one dataset. Immediatly changing passwords is critical for anyone who suspects thier credentials were captured.

How Stealer Logs Work

Infostealer malware spreads through phishing emails, fake software, and compromised websites. Once silently installed on a victim device, it captures every login: the email address, the plaintext password, and the target URL. This data is exfiltrated to operator servers and published in batches through Telegram channels like NewWlfrCloud. Multiple independent channels operating on the same date demonstrate how widespread and organized the infostealer ecosystem was in mid-2025.

Check If You Are Affected

HEROIC offers a free identity scanner that searches over 400 billion records, including data from breaches like NewWlfrCloud uploaded by a Telegram User. Visit heroic.com to scan your email address and find out if your credentials were exposed in this June 15, 2025 stealer log release.