Fantamatic.com Leak Means 29,656 Accounts Are at Risk

In January 2023, HEROIC's DarkHive threat intelligence platform identified a stealer log dump targeting Fantamatic.com that was distributed via Telegram. The dataset contains 29,656 compromised records, each pairing an email address with a plaintext password and the URL where the credentials were intercepted. With nearly 30,000 entries, this leak presents a substantial pool of stolen credentials available to cybercriminals.

Unencrypted Passwords: Ready for Immediate Abuse

The credentials in this dump require no decryption. Every password appears in readable plaintext, giving attackers direct access to affected accounts. There are no hashing algorithms to defeat and no brute-force attempts needed. Any person who obtains this dataset can begin logging into compromised accounts immediately, making the threat both urgent and direct.

What Was Exposed

• Email Addresses — primary identifiers used to access accounts on Fantamatic.com and beyond
• Plaintext Passwords — unprotected and usable for instant account access
• URLs — revealing which online services and platforms are directly affected

How Attackers Weaponize Stolen Credentials

With 29,656 email-password pairs in hand, cybercriminals deploy credential stuffing tools to test each combination against major online platforms. Email services, financial institutions, streaming platforms, and cloud storage providers are tested in rapid succession. The attackers know that a significant percentage of users reuse passwords, so even a modest success rate across this many records yields hundreds or thousands of additional compromised accounts.

Infostealer Malware: The Source of These Credentials

Every record in this dump was silently stolen by infostealer malware on compromised devices. This category of malware spreads through infected downloads, deceptive email links, and compromised websites. Once active, infostealers systematically extract saved login credentials from web browsers, capture form input data, and harvest cookies that grant session access. The stolen information is assembled into logs, organized by target domain, and disseminated through dark web marketplaces and messaging platforms like Telegram.

Check If Your Credentials Were Exposed

HEROIC has built a database of over 400 billion compromised records, spanning thousands of known breaches and stealer log leaks. Use HEROIC's free breach scanner to look up your email address and determine if your credentials appear in the Fantamatic.com dump or any other known leak. Finding out now gives you the opportunity to secure your accounts before an attacker does.