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Malicious package

conversionvaluemanagernpm

Advisory published Updated

conversionvaluemanager is a confirmed malicious npm package (MAL-2026-10084) that opens a backdoor for remote access (malicious version 3.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in conversionvaluemanager (npm)

MAL-2026-10084
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall conversionvaluemanager

What this malware does

On npm install, postinstall.js automatically runs and gathers installer-identifying data (os.hostname(), os.userInfo(), os.platform(), cwd, Node version, timestamp), then sends it as query-string parameters via plain-HTTP GET to a Burp Collaborator subdomain at aq4v2egelzh9n07h3l9d2b5mvd14pvdk.oastify.com/adjust-dep-confusion. The package.json description self-identifies as a dependency-confusion proof-of-concept ("PoC - Dependency Confusion - Bug Bounty by ha4x0r"), and the package name targets an internal/private package name. Any organization whose build misresolves to this public package leaks host, user, and environment identifiers to the third-party Collaborator endpoint on install. PoC/bug-bounty framing does not change the installer-side impact: the beacon fires on every install.

Malicious versions

1 flagged
3.0.0

Indicators of compromise (SHA-256)

21445a74cc1c4d33c89f1a7d8c357c79d5adb11cda135c813676b23c875418e9
8a0866f3469405ec2768c987abf110354927c943f2d2a5303834ff7e6deccf5f
24dbc577c559551551b0c3789a0372f81b9f34699527ff29265da7912ff49c70

Detection & response playbook

Backdoor / remote access
  1. Find it

    Search your lockfiles and build artifacts for conversionvaluemanager (version 3.0.0).

  2. If you installed it — respond

    conversionvaluemanager establishes remote access, so treat any host that installed it as fully compromised. Isolate the machine, remove the package, rotate all credentials it could reach, and rebuild from a trusted image rather than cleaning in place — a backdoor may have planted additional persistence.

  3. Did it already run?

    If conversionvaluemanager 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. conversionvaluemanager on npm has been identified as a malicious package (version 3.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-009360RLMA-2026-05522RLUA-2026-06165

References

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks conversionvaluemanager-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the C2 callback and severs the channel.

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