Breach Intelligence Report 04 Apr 2026

1,960 Plaintext Credentials Tied to 101 Stealer Log

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs 101 uploaded by a Telegram User
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Records Exposed 1,960
Source Type Stealer log
Origin United States
Password Type plaintext

Researchers at HEROIC traced 1,960 records to a stealer log posted on Telegram on March 6, 2023. The file, catalogued as 101 uploaded by a Telegram User, contains email addresses, plaintext passwords, and the login URLs associated with each stolen credential pair.


Why the 101 Stealer Log Is Dangerous

Analysts note that every record is a ready-made login. Because the passwords are stored in plaintext and matched with the specific URL each user targeted, attackers can move from download to account takeover attempt in a single step.


What Was Exposed in the 101 Stealer Log

  • 1,960 email address entries
  • Plaintext passwords copied directly from browsers
  • Login URLs showing which services each credential unlocks
  • Session data from infected endpoints

Why This Matters

Investigators warn that stealer log files like 101 fuel a predictable chain of atacks. Credential stuffing bots feed the pairs into login endpoints across banking, email, retail, and workplace SaaS platforms. Successful hits turn into account takeover, fraudulent purchases, wire transfers, and identity theft long before victims see any alert.


How a Stealer Log Like the 101 File Works

Researchers consistently link files of this type to infostealer families such as RedLine, Raccoon, and Vidar. The malware installs through cracked software, phishing emails, or malicious ads, then scrapes saved browser credentials, cookies, and autofill data. Operators publish the resulting logs on Telegram and dark web forums, where smaller bundles like 101 are frequently merged into larger combolists.


Check If You Are Affected

HEROIC indexes more than 400 billion leaked records pulled from data breaches, stealer logs, and dark web sources. A free HEROIC breach scanner check will reveal whether your email or password appears in the 101 stealer log or any other known exposure.

Breach Breakdown

Domain 101 uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 04 Apr 2026
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Est. Financial Impact $14.2K fraud, phishing & misuse risk
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Identity Theft Risk Score

Risk Score: 8.7/10 - Critical

Data Exposure Analysis

Passwords Critical
Financial High
Personal Medium
Social High
Security Critical

Breach Timeline Analysis

March 2024 Multiple credentials exposed in recent data breach
January 2024 Password found in dark web marketplace
December 2023 Personal information leaked in major security incident

Security Recommendations

High Priority
Password Security

Critical: Change compromised passwords immediately and enable 2FA on all accounts

Important
Financial Protection

Monitor credit reports and set up fraud alerts with major credit bureaus

Recommended
Identity Protection

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