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Malicious package

tinkoff-component-infopanelnpm

Advisory published Updated

tinkoff-component-infopanel is a confirmed malicious npm package (MAL-2026-12049) that typosquats a legitimate package to trick installs (malicious version 20.8.3). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in tinkoff-component-infopanel (npm)

MAL-2026-12049
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall tinkoff-component-infopanel

What this malware does

On require of the package, platform.js downloads a platform-specific native binary from hardcoded Cloudflare Workers hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev) with a DNS-TXT fallback resolved via *.dl.well1.site, writes the bytes to a masqueraded cache path (cover-story names such as dotnet_diag,.cache_,.analytics_state), chmods 0o755, and spawns it detached via /bin/sh -c or cmd. The destination hostnames are assembled at runtime by joining string fragments (e.g. ["oob-worker.cf10","0-416",".wo","rker","s.dev"].join("")) to evade static matching. No hash or signature verification is performed. The package name impersonates the Tinkoff brand while package.json declares an empty author, no repository, and a README labeling it an 'internal' module. The dropper fires via top-level require() from index.js, so importing this package as a dependency executes the fetched binary on the installer's host.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Malicious versions

1 flagged
20.8.3

Indicators of compromise (SHA-256)

1465530b7853077d8b3fb7896478a69f62f6506df775d2e959b3d9bae6861f11
6ed9672a3f7ff309e08f96ca257527dd752bab575c6e1d320efcc490773a3b2d

Detection & response playbook

Typosquat
  1. Find it

    Search your lockfiles and build artifacts for tinkoff-component-infopanel (version 20.8.3).

  2. If you installed it — respond

    tinkoff-component-infopanel is a typosquat — you almost certainly intended a legitimately-named package. Remove tinkoff-component-infopanel, install the correct package, and rotate any secrets exposed during the install since post-install scripts may have already run.

  3. Did it already run?

    If tinkoff-component-infopanel 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. tinkoff-component-infopanel on npm has been identified as a malicious package (version 20.8.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-011487GHSA-9hcg-pq5h-wj74

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks tinkoff-component-infopanel-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.

Explore

tinkoff-component-infopanel (npm) malicious package — MAL-2026-12049 | O3 Security