Your Login May Be in the Fresh Mixed Combo Stealer Leak

In March 2025, HEROIC analysts identified a stealer log file titled "fresh mixed combo deifohc5," uploaded to a Telegram channel by an unidentified user. The file contained 3,703 records, each pairing an email address with a plaintext password and the URL of the site the credentials were tied to.

Why This Fresh Combo Leak Is Dangerous

Sellers describe files like this one as "fresh" to signal that the credentials were recently harvested and are more likely to still be active. Combined with the fact that the passwords are stored in plaintext, that freshness makes the file especially usable, an attacker can start testing your login the moment they get a copy.

What Was Exposed in This Combo File

• Email addresses
• Plaintext passwords for each account
• URLs identifying where each credential pair was used

Why This Matters

Your login information being in a file like this means it could be tested against other accounts through credential stuffing, especially if you have reused the same password on more than one site. That kind of reuse is exactly how a single leaked password turns into a compromised email account, bank login, or social media profile.

How Stealer Logs Work

Combo files like this one are built from malware infections on individual computers rather than a breach of a company's servers. Info-stealing malware, often disguised as cracked software or a free download, copies saved browser credentials and autofill data, then sends the results back to the attacker. Those results get bundled into combo files and distributed through Telegram channels and dark web marketplaces, exactly where this one surfaced.

Check If You Are Affected

The only way to know for certain if your login is part of a leak like this is to check. HEROIC's free breach scanner searches a database of more than 400 billion leaked records to tell you in seconds whether your email address has been exposed.