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PYSA

ransomware1 mutex signatures

[BASIC_INFORMATION]

FAMILY_NAME:

PYSA

CATEGORY:

RANSOMWARE

DESCRIPTION:

PYSA (also known as Mespinoza) is a ransomware family observed since late 2019, targeting various sectors including government and education. It encrypts files and appends the .pysa extension.

ALIASES:

Mespinoza

TAGS:

raas

[MUTEX_SIGNATURES](1)

[MUTEX_01]

Pysa

ANALYST: @adhikara13 DATE: 2024-05-22

REFERENCES:

https://www.acronis.com/en-us/blog/posts/pysa-ransomware/

[QUICK_ACTIONS]

[THREAT_INTELLIGENCE]

ATTRIBUTION:

⚠Unknown

FIRST_OBSERVED:

2019

[SIGMA_RULE]

[STATISTICS]

MUTEX_COUNT:1

THREAT_ACTORS:1

ALIASES:1

TAGS:1

CATEGORY:RANSOMWARE

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