Which versions of test__123q1 are malicious?

The following npm versions of test__123q1 are flagged malicious: 3.2.4, 4.3.5. Treat any of these as compromised.

How do I remediate test__123q1 if I installed it?

test__123q1 is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

I already installed test__123q1 — how do I know if it already compromised me?

If test__123q1 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 test__123q1 part of a known attack campaign?

Yes — test__123q1 is associated with the IN-MAL-2026-019292, IN-MAL-2026-019293 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 test__123q1 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for test__123q1 (2 malicious versions).

Malicious package

test__123q1npm

Advisory published Aug 31, 2026Updated Aug 31, 2026

test__123q1 is a confirmed malicious npm package (MAL-2026-15637) that steals credentials and exfiltrates sensitive data (malicious versions 3.2.4, 4.3.5). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in test__123q1 (npm)

MAL-2026-15637

Immediate action

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

npm uninstall test__123q1

What this malware does

The package declares a postinstall hook (node dist/script.js) while its declared main entry (dist/index.js) is an inert 105-byte stub, so the entire behavior fires at npm install time. The postinstall script walks the installer's home directory and common workspace folders (Desktop, Documents, Downloads, Projects, Backups) and (1) reads browser wallet extension profiles for MetaMask, Phantom, Trust, Coinbase, OKX, Rabby, Keplr, Solflare, TronLink, Ronin, and Exodus, along with desktop wallet stores for Exodus, Electrum, Bitcoin Core, Ledger Live, Trezor Suite, Wasabi, and Sparrow, plus any files matching seed/mnemonic/bip39/privatekey/keystore keywords; (2) enumerates a hardcoded list of sensitive files including .env*, .npmrc, .yarnrc, .pnpmrc, .netrc, .git-credentials, .gitconfig, id_rsa/id_ed25519/id_ecdsa, .pem/private.key, aws.json, gcloud.json, service-account.json, and firebase-adminsdk.json. Collected material is packaged with tar and uploaded to a hardcoded Telegram bot endpoint at https://api.telegram.org/bot<BOT_TOKEN>/sendDocument. The script additionally harvests the installer's npm auth token, writes //registry.npmjs.org/:_authToken=${token} into an .npmrc, queries registry.npmjs.org/-/whoami and registry.npmjs.org/-/v1/search to enumerate the victim maintainer's other packages, and copies its own dist payload into them via fs.cp('dist', pathToInject, { recursive: true }) to republish malicious versions under the victim's identity.

Malicious versions

2 flagged

3.2.44.3.5

Indicators of compromise (SHA-256)

821d5a8f06ba3e50a1b5afe5d6d824cd3e48f67dd1ca573cdc273dbfecaacd47

ac33922c804a14a307d55fb3dc80531482503bee2c96cc7fa4a487101c70e7d6

Detection & response playbook

Credential / info stealer

Find it
Search your lockfiles and build artifacts for test__123q1 (2 malicious versions).
If you installed it — respond
test__123q1 is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.
Did it already run?
If test__123q1 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. test__123q1 on npm has been identified as a malicious package (versions 3.2.4, 4.3.5 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-019292IN-MAL-2026-019293

References

Credits

Amazon Inspector · finder

Detect & block this

O3 blocks test__123q1-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database