12,898 Emails Leaked From Asdsd.asdffmail.com Stealer Log

In June 2026, HEROIC's dark web analysts found a stealer log uploaded to Telegram on 10-Jun-2026 containing 12,898 records tied to asdsd.asdffmail.com. The file included email addresses, plaintext passwords, and the URLs of the sites those logins belonged to, a classic sign of malware that had been running quietly on infected devices, harvesting saved credentials before an attacker collected them into one large file.

Why This Stealer Log Leak Is Dangerous

What makes a log like this especially risky is the sheer number of ready-to-use logins it contains. With 12,898 email and password pairs already matched to the exact web addresses they were used on, an attacker does not need to guess or crack anything. They can simply load the file into automated tools and start testing logins across thousands of accounts within minutes.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs of the sites the credentials were used on

Why This Matters

Because the passwords were captured in plaintext, no cracking or decryption is required to use them. If anyone among these 12,898 people reused a password across multiple accounts, which is extremely common, those other accounts become vulnerable too through credential stuffing, where attackers feed leaked logins into automated tools that quietly try them on banking sites, email providers, and social media platforms until one works.

How Stealer Logs Work

Stealer logs are produced by infostealer malware, malicious software that infects a device through things like pirated software, fake downloads, or phishing attachments. Once installed, it silently copies stored passwords, autofill entries, and browsing data straight out of the victim's browser, then sends it back to whoever controls the malware. That stolen data is compiled into a text file, or "log," and shared or sold, in this case posted directly to a Telegram channel where anyone can pick it up.

Check If You Are Affected

If your email address is connected to asdsd.asdffmail.com or any account you access with it, it is worth checking whether your details appear in this log. HEROIC's free breach scanner checks your email against a database of more than 400 billion leaked records in seconds, so you know right away if a password needs changing.