Prosecutor release

# Justice Department Disrupts Prolific ALPHV/Blackcat Ransomware Variant

U.S. Attorney's Office, Southern District of Florida, December 19, 2023. Establishes the FBI's disruption of ALPHV/BlackCat infrastructure and the decryption-key offer..

**Source type:** Prosecutor release

**Published:** December 19, 2023

**Research grade:** P1

**Used in entries:** 5

## Bibliographic record

**Publisher:** U.S. Attorney's Office, Southern District of Florida

**Published:** December 19, 2023

**Source type:** Prosecutor release

**Research grade:** Source grade P1

**Language:** English

**Official record:** Official publication

**Address:** [https://www.justice.gov/usao-sdfl/pr/justice-department-disrupts-prolific-alphvblackcat-ransomware-variant](https://www.justice.gov/usao-sdfl/pr/justice-department-disrupts-prolific-alphvblackcat-ransomware-variant)

**What it supports:** Establishes the FBI's disruption of ALPHV/BlackCat infrastructure and the decryption-key offer.

**Dataset id:** src\_doj\_alphv\_2023

How this source is used

Cited 5 times across 3 record types.

The role on each citation records what the source was relied on for. A primary source establishes the fact, a supporting source corroborates it, technical evidence describes the infrastructure, and a later outcome records what happened afterwards.

Sources were reviewed to a research cutoff of August 23, 2026. Addresses recorded after that date are not reflected here.

## Cited by

### Takedown records

1 citation

Cited on the takedown record itself.

-
[ALPHV/BlackCat disruption](https://takedownindex.org/takedowns/alphv-blackcat-disruption)

Ransomware, December 2023

Primary source

### Organization roles

3 citations

Cited for an organization's recorded role in a takedown.

-
[Federal Bureau of Investigation](https://takedownindex.org/takedowns/alphv-blackcat-disruption)

Operational lead, ALPHV/BlackCat disruption

Primary source
-
[United States Department of Justice](https://takedownindex.org/takedowns/alphv-blackcat-disruption)

Prosecuting, ALPHV/BlackCat disruption

Primary source
-
[European Union Agency for Law Enforcement Cooperation](https://takedownindex.org/takedowns/alphv-blackcat-disruption)

Supporting, ALPHV/BlackCat disruption

Primary source

### Later activity

1 citation

Cited for activity recorded after the takedown.

-
[ALPHV/BlackCat infrastructure reassertion](https://takedownindex.org/takedowns/alphv-blackcat-disruption)

Same operators, ALPHV/BlackCat disruption

Primary source

[All sources](https://takedownindex.org/sources)