[ALL_FAMILIES]

AiLock

ransomware1 mutex signatures

[BASIC_INFORMATION]

FAMILY_NAME:
AiLock
CATEGORY:
RANSOMWARE
DESCRIPTION:
AiLock is a ransomware-as-a-service (RaaS) operation that encrypts victim files using ChaCha20 and NTRUEncrypt algorithms, appending the .AiLock extension. The malware creates a mutex named 'FAUST' to prevent duplicate execution and ensure only one instance runs on the infected system.
ALIASES:
AiLock Ransomware
TAGS:
file_encryptionransom_demandwindowsraaschacha20ntruencrypt

[MUTEX_SIGNATURES](1)

[MUTEX_01]
FAUST
ANALYST: @adhikara13 DATE: 2025-07-16

[QUICK_ACTIONS]

[THREAT_INTELLIGENCE]

ATTRIBUTION:
Unknown
FIRST_OBSERVED:
2025

[SIGMA_RULE]

[STATISTICS]

MUTEX_COUNT:1
THREAT_ACTORS:1
ALIASES:1
TAGS:6
CATEGORY:RANSOMWARE
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EvilMutex Project v1.0.0

Open Source Threat Intelligence Database