Government release

# U.S. Leads Multi-National Action Against “Gameover Zeus” Botnet and “Cryptolocker” Ransomware, Charges Botnet Administrator

U.S. Department of Justice, Office of Public Affairs, June 2, 2014. That Dell SecureWorks was a private technical partner on the Gameover Zeus / CryptoLocker operation - DOJ credits it with 'invaluable technical assistance' alongside CrowdStrike, and separately names it as an assisting company on the CryptoLocker action..

**Source type:** Government release

**Published:** June 2, 2014

**Research grade:** P1

**Used in entries:** 3

## Bibliographic record

**Publisher:** U.S. Department of Justice, Office of Public Affairs

**Published:** June 2, 2014

**Source type:** Government release

**Research grade:** Source grade P1

**Language:** English

**Official record:** Official publication

**Address:** [https://www.justice.gov/archives/opa/pr/us-leads-multi-national-action-against-gameover-zeus-botnet-and-cryptolocker-ransomware](https://www.justice.gov/archives/opa/pr/us-leads-multi-national-action-against-gameover-zeus-botnet-and-cryptolocker-ransomware)

**What it supports:** That Dell SecureWorks was a private technical partner on the Gameover Zeus / CryptoLocker operation - DOJ credits it with 'invaluable technical assistance' alongside CrowdStrike, and separately names it as an assisting company on the CryptoLocker action.

**Dataset id:** src\_justicegov\_opa\_gameover\_zeus

## Research notes

- Read via a Wayback capture of 2026-08-18; justice.gov blocks plain HTML fetching.
- Release dated Monday, June 2, 2014; the operation itself ran from 30 May 2014.

How this source is used

Cited 3 times across 2 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.

-
[Operation Tovar](https://takedownindex.org/takedowns/operation-tovar)

Malware and botnets, May 2014

Supporting source

### Infrastructure

2 citations

Cited for infrastructure recorded as acted on.

-
[Command and control server](https://takedownindex.org/takedowns/operation-tovar)

Command and control server sinkholed, Operation Tovar

Primary source
-
[Command and control server](https://takedownindex.org/takedowns/operation-tovar)

Command and control server seized, Operation Tovar

Primary source

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