What does the @deputyapp/copilot2 malware do?

The package @deputyapp/copilot2 was found to contain malicious code. The OpenSSF Package Analysis project identified '@deputyapp/copilot2' @ 2.10.20 (npm) as malicious. It is considered malicious because: - The package communicates with a domain associated with malicious activity. - The package executes one or more commands associated with malicious behavior.

Which versions of @deputyapp/copilot2 are malicious?

The following npm versions of @deputyapp/copilot2 are flagged malicious: 2.9.9, 2.10.11, 2.10.20. Treat any of these as compromised.

How do I remediate @deputyapp/copilot2 if I installed it?

Remove @deputyapp/copilot2 from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

I already installed @deputyapp/copilot2 — how do I know if it already compromised me?

If @deputyapp/copilot2 was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Is @deputyapp/copilot2 part of a known attack campaign?

Yes — @deputyapp/copilot2 is associated with the RLMA-2025-06017 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find @deputyapp/copilot2 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for @deputyapp/copilot2 (3 malicious versions).

Malicious package

@deputyapp/copilot2npm

Advisory published Nov 9, 2025Updated Dec 23, 2025

@deputyapp/copilot2 is a confirmed malicious npm package (MAL-2025-49395) that executes malicious code on install (malicious versions 2.9.9, 2.10.11, 2.10.20). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @deputyapp/copilot2 (npm)

MAL-2025-49395

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

npm uninstall @deputyapp/copilot2

What this malware does

The package @deputyapp/copilot2 was found to contain malicious code.

The OpenSSF Package Analysis project identified '@deputyapp/copilot2' @ 2.10.20 (npm) as malicious.

It is considered malicious because:

The package communicates with a domain associated with malicious activity.
The package executes one or more commands associated with malicious behavior.

Malicious versions

3 flagged

2.9.92.10.112.10.20

Indicators of compromise (SHA-256)

ea8ee55f0fba70e99bcfd17466e3bb1bf57b3bbdd3e6f7a61a54673d0b78aff5

e4d87eb825013bd349713caf54711ff430c5f1bb476da6fb634734af796b0108

3a8b1425316e6756dbfd81008289ba03def855beee0b0f391ca91c98a1907ab1

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for @deputyapp/copilot2 (3 malicious versions).
If you installed it — respond
Remove @deputyapp/copilot2 from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.
Did it already run?
If @deputyapp/copilot2 was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. @deputyapp/copilot2 on npm has been identified as a malicious package (versions 2.9.9, 2.10.11, 2.10.20 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-06017

Credits

Amazon Inspector · finder
OpenSSF: Package Analysis · finder
ReversingLabs · finder

Detect & block this

O3 blocks @deputyapp/copilot2-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Malware detection Runtime egress monitoring

Explore

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