exclusiveful 498count Breach Rivals the Population of a Wyoming Town

In July 2025, a threat actor uploaded the exclusiveful 498count stealer log to Telegram, distributing 25,179 stolen records to criminal subscribers. That number is larger than the entire population of Sheridan, Wyoming -- every one of those records represents a real person's plaintext password, email address, and the exact URLs of the accounts the malware compromised. HEROIC analysts detected and indexed this dataset as part of continuous dark web monitoring operations.

Why This Is Dangerous

Stealer logs are operationally ready weapons. Unlike hashed database dumps that require cracking, the exclusiveful 498count data contains credentials in cleartext -- meaning attackers can begin testing logins the moment they download the file. The inclusion of URL data makes this particulary destructive:

• Attackers know exactly which sites each victim had active credentials for
• Plaintext passwords work immediately with zero processing or guessing required
• Email addresses double as usernames across hundreds of platforms
• Credential stuffing bots can cycle through all 25,179 pairs in minutes
• Compromised email accounts become master keys for reseting passwords on banking and shopping sites

What Was Exposed

• Email Addresses -- account identifiers enabling targeted phishing and account takeover at scale
• Plaintext Passwords -- credentials in cleartext, directly usable without any decryption or cracking
• URLs -- the specific websites and services from which infostealer malware harvested each credential pair

Why This Matters

Twenty-five thousand records traded on Telegram in July 2025 does not stay on Telegram. This data gets resold across darknet marketplaces, bundled into larger credential collections, and tested against hundreds of websites by automated bots. For the 25,179 individuals in this dataset, the downstream risks compound over time:

• Credential stuffing -- automated bots test every email and password pair against Netflix, PayPal, Amazon, and hundreds of other platforms
• Account takeover -- hijacked email accounts become tools for intercepting password resets and draining financial accounts
• Identity theft -- personal data mined from compromised accounts fuels fraudulent credit and loan aplications
• Financial fraud -- stored payment methods and loyalty points are drained within hours of a successful login

How Stealer Log Breaches Work

The exclusiveful 498count dataset was produced by infostealer malware -- software that runs silently on a victim's device after being installed through phishing emails, cracked software downloads, fake game mods, or malicious browser extensions. Once active, the malware harvests saved browser passwords, active session cookies, authentication tokens, and the URLs of every site the victim visited requiring a login. This data is packaged into structured log files and transmitted to attacker infrastructure, then compiled into numbered batches. The "498count" designation likely identifies this specific batch within the exclusiveful collection. The complete logs were then uploaded to Telegram on 03 July 2025 for distribution to criminal buyers and susbcribers.

Check If You Are Affected

The exclusiveful 498count stealer log is indexed in HEROIC's breach intelligence database alongside over 400 billion records from credential leaks and data breaches worldwide. Use HEROIC's free scanner to search your email address against this dump and thousands of other known breaches -- and find out in seconds whether your credentials are circulating among criminal networks right now.

Search your email at HEROIC.com to check if the exclusiveful 498count dump or any other breach has exposed your accounts.