International agency release

# Notorious botnet infecting 2 million computers disrupted

Europol, December 5, 2013. Establishes the Europol/FBI/Microsoft coalition action against ZeroAccess..

**Source type:** International agency release

**Published:** December 5, 2013

**Research grade:** P2

**Used in entries:** 6

## Bibliographic record

**Publisher:** Europol

**Published:** December 5, 2013

**Source type:** International agency release

**Research grade:** Source grade P2

**Language:** English

**Official record:** Official publication

**Address:** [https://www.europol.europa.eu/media-press/newsroom/news/notorious-botnet-infecting-2-million-computers-disrupted](https://www.europol.europa.eu/media-press/newsroom/news/notorious-botnet-infecting-2-million-computers-disrupted)

**What it supports:** Establishes the Europol/FBI/Microsoft coalition action against ZeroAccess.

**Dataset id:** src\_europol\_zeroaccess\_2013

## Research notes

- No exact URL for this original source stub was recovered in the audit. The linked replacement source(s) support the material claim; no URL was invented.

How this source is used

Cited 6 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.

-
[ZeroAccess botnet disruption](https://takedownindex.org/takedowns/zeroaccess-botnet-disruption)

Malware and botnets, December 2013

Primary source

### Organization roles

3 citations

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

-
[European Union Agency for Law Enforcement Cooperation](https://takedownindex.org/takedowns/zeroaccess-botnet-disruption)

Coordinator, ZeroAccess botnet disruption

Primary source
-
[Federal Bureau of Investigation](https://takedownindex.org/takedowns/zeroaccess-botnet-disruption)

Supporting, ZeroAccess botnet disruption

Primary source
-
[Microsoft Digital Crimes Unit](https://takedownindex.org/takedowns/zeroaccess-botnet-disruption)

Co-lead, ZeroAccess botnet disruption

Primary source

### Infrastructure

2 citations

Cited for infrastructure recorded as acted on.

-
[18 IP addresses](https://takedownindex.org/takedowns/zeroaccess-botnet-disruption)

Ip addresses blocked, ZeroAccess botnet disruption

Primary source
-
[Server](https://takedownindex.org/takedowns/zeroaccess-botnet-disruption)

Server seized, ZeroAccess botnet disruption

Primary source

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