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tuicool.com Domain Breach Exposure Report

Risk Score

High Risk

Massive event volume or critical assets compromised.

AI Findings Summary

Critical

The domain tuicool.com has experienced a significant number of events, with 1087 historical data breaches and 152 active infostealer logs observed over the reporting period. The majority of these events, 87.7%, are attributed to historical data breaches, while 12.3% are active infostealer logs. The timeline indicates a notable increase in client-related events starting in August 2025 and a surge in both employee and client events in March 2026. The primary malware families associated with these events include Redline, Blank Grabber, and LummaC2. The data breaches are predominantly linked to "Combolist sources," suggesting compromised credential lists are a major vector. The affected operating systems are predominantly Windows 11 and Windows 10 variants.

Total Events

1,239
credential exposure events

Employee Affected Events

57
account email domain = tuicool.com

Client Affected Events

1,182
service target = tuicool.com

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
3002001000
peak month 294
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events152
Share12%
Data breaches
Events1,087
Share88%
Infostealer logs (12%)
152events
Data breaches (88%)
1,087events

57 compromised employee accounts pose an infrastructure risk, while 1,182 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender12

Malware Families Distribution

Distribution of Active Stealer Strains

Redline22
Blank Grabber12
LummaC210
Rhadamanthys8
Acreed7
Vidar6
Millenium1

Top Login URLs

Top exposed services found in the event results

  1. 1tuicool.com147
  2. 2https://tuicool.com112
  3. 3tuicool.com/login90
  4. 4https://www.tuicool.com76
  5. 5www.tuicool.com53
  6. 6http://www.tuicool.com/login53
  7. 7tuicool.com/register/info/48
  8. 8tuicool.com/register/info48
  9. 9https://www.tuicool.com/register/info46
  10. 10https://www.tuicool.com/register/info/45

Infostealer By Geography

Shows the distribution of Infostealer-related credential exposure events across different geographic regions. The location is determined by analyzing the metadata of the infected machines associated with each event.

Japan
Events21
United States
Events18
China
Events17
India
Events13
United Arab Emirates
Events10
Ghana
Events3
United Kingdom
Events2

Country Breakdown

  1. 1Japan21
  2. 2United States18
  3. 3China17
  4. 4India13
  5. 5United Arab Emirates10
  6. 6Ghana3
  7. 7Hong Kong SAR China3
  8. 8United Kingdom2

Services Classification Distribution

Blast radius - closer to core = more critical infrastructure, size = credential volume

-
Total

Operating System Distribution

Distribution of compromised endpoint builds

Windows 1137
Windows 11 Pro14
Windows 11 24H2 build 26200 (64 Bit)8
Windows 10 Enterprise x647
Windows 10 Home China x644

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
1,086
Combolist pools
1
Unattributed dumps

Disclaimer: This report includes AI-generated content. AI can make mistakes, so verify important findings independently before taking action.