registry / Malware / vanzdev

vanzdev

WhatsApp Web API Library

This report shows the evidence for vanzdev@3.0.6. 3 of 3 known versions are blocked or flagged. See all versions.

AI Security Review

scanned 3mo ago · by lpm-firewall-ai

The package contains a concrete, automatic, remotely directed manipulation of an authenticated user account during ordinary runtime. Its benign Node-version preinstall check does not mitigate that behavior.

Static reason

One or more suspicious static signals were detected.; source matched previously finalized malicious package; routed for review

Trigger

Create the default socket and establish a WhatsApp connection.

Impact

Unconsented manipulation of the user's WhatsApp account; author can change targets remotely.

Mechanism

Remote-controlled automatic newsletter follow and mute actions.

Attack narrative

The exported socket construction reaches makeNewsletterSocket. Its connection-update handler waits 30 seconds after a successful WhatsApp login, fetches a remotely controlled JSON list, and issues FOLLOW and MUTE newsletter operations for every listed ID through the logged-in account. This is hidden from the caller and can be retargeted without a package update.

AI rationale

Evidence

lib/Socket/newsletter.jslib/Socket/messages-send.jslib/Socket/index.jspackage.jsonengine-requirements.jslib/Utils/messages-media.js

Network endpoints1

raw.githubusercontent.com/LevviCodeID/Levi4than/refs/heads/main/levvleys.json

Decision evidence

public snapshot

AI called this Malicious at 98.0% confidence as Malware with low false-positive risk.

Evidence for block

lib/Socket/newsletter.js fetches an author-controlled GitHub JSON list.
On every open WhatsApp connection it follows and mutes each listed newsletter.
The behavior is wired into the default socket chain via lib/Socket/messages-send.js.
The remote list controls target accounts without an application-user action.

Evidence against

engine-requirements.js preinstall only rejects Node versions below 20.
package.json prepare only prints text; no install-time payload execution found.
messages-media.js dynamic import and ffmpeg use are media-processing features.

Behavioral surface

Source

ChildProcessCryptoDynamicRequireEvalFilesystemNetworkWebSocket

Supply chain

HighEntropyStringsUrlStrings

ManifestNo manifest risk signals triggered.

scanned 93 file(s), 1.38 MB of source, external domains: call.whatsapp.com, catbox.moe, ezgif.com, levvicode.cloud, mmg.whatsapp.net, qu.ax, raw.githubusercontent.com, registry.npmjs.org, scdn.pdi.moe, tmpfiles.org, uguu.se, web.whatsapp.com, www.levvicode.cloud, www.npmjs.com, www.whatsapp.com

Source & flagged code

9 flagged

package.jsonView file

Lines 24-64json

24 "main": "lib/index.js",

25 "types": "lib/index.d.ts",

26 "files": [

27 "lib/*",

28 "WAProto/*",

29 "engine-requirements.js"

30 ],

31 "scripts": {

32 "build:all": "tsc && typedoc",

33 "build:docs": "typedoc",

34 "build:tsc": "tsc",

35 "changelog:last": "conventional-changelog -p angular -r 2",

36 "changelog:preview": "conventional-changelog -p angular -u",

37 "changelog:update": "conventional-changelog -p angular -i CHANGELOG.md -s -r 0",

38 "example": "node --inspect -r ts-node/register Example/example.ts",

39 "gen:protobuf": "sh WAProto/GenerateStatics.sh",

40 "lint": "node -e \"const { execSync } = require('child_process'); execSync('find lib/ -name \\\"*.js\\\" | xargs -I{} node --check {}'); console.log('LINT_OK');\"",

41 "lint:fix": "eslint lib --fix --ext .js",

42 "prepack": "echo 'levvleys WhatsApp Library'",

43 "prepare": "echo 'levvleys WhatsApp Library'",

44 "preinstall": "node ./engine-requirements.js",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L44

45 "release": "release-it",

46 "test": "jest"

47 },

48 "dependencies": {

49 "@adiwajshing/keyed-db": "^0.2.4",

50 "@cacheable/node-cache": "^1.4.0",

51 "@hapi/boom": "^9.1.3",

52 "async-mutex": "^0.5.0",

53 "axios": "^1.6.0",

54 "chalk": "^4.1.2",

55 "gradient-string": "^2.0.2",

56 "cache-manager": "^5.7.6",

57 "cheerio": "^1.0.0-rc.10",

58 "libphonenumber-js": "^1.10.20",

59 "libsignal": "npm:@vanzdev/superfast-libsignal",

60 "lodash": "^4.17.21",

61 "music-metadata": "^7.12.3",

62 "pino": "^9.6",

63 "protobufjs": "^6.11.3",

64 "uuid": "^10.0.0",

lib/WABinary/constants.jsView file

Lines 583-623javascript

583 '044',

584 'mms_cat_v1_forward_hot_override_enabled',

585 'user_notice',

586 'ptt_waveform_send',

587 '047',

588 'Asia/Calcutta',

589

lib/Utils/messages-media.jsView file

Lines 349-389javascript

349};

350exports.mediaMessageSHA256B64 = mediaMessageSHA256B64;

351async function getAudioDuration(buffer) {

352 const musicMetadata = await Promise.

lib/Types/Message.jsView file

Lines 1-8javascript

1"use strict";

2Object.defineProperty(exports, "__esModule", { value: true });

3exports.WAMessageStatus = exports.WAMessageStubType = exports.WAProto = void 0

WAProto/GenerateStatics.shView file

•path = WAProto/GenerateStatics.sh kind = build_helper sizeBytes = 301 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

WAProto/GenerateStatics.shView on unpkg

WAProto/index.jsView file

•path = WAProto/index.js kind = oversized_source_file sizeBytes = 4435234 magicHex = [redacted]

Medium

Oversized Source File

Package contains source files above the normal full-analysis size ceiling.

WAProto/index.jsView on unpkg

lib/Utils/messages.jsView file

•matchType = normalized_sha256 matchedPackage = levvleys@2.0.2 matchedPath = lib/Utils/messages.js matchedIdentity = npm:bGV2dmxleXM:2.0.2 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

lib/Utils/messages.jsView on unpkg

Source & flagged code

9 flagged · loading source

package.jsonView file

•scripts.preinstall = node ./engine-requirements.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

lib/WABinary/constants.jsView file

603patternName = google_api_key severity = high line = 603 matchedText = 'AIzaSyD...Lk',

High

High Secret

Package contains a high-severity secret pattern.

lib/WABinary/constants.jsView on unpkg · L603

603patternName = google_api_key severity = high line = 603 matchedText = 'AIzaSyD...Lk',

High

Secret Pattern

Google API key in lib/WABinary/constants.js

lib/WABinary/constants.jsView on unpkg · L603

Findings

5 High5 Medium6 Low

HighInstall Time Lifecycle Scriptspackage.json

HighHigh Secretlib/WABinary/constants.js

HighKnown Malware Source Similaritylib/Utils/messages-media.js

HighKnown Malware Source Similaritylib/Utils/messages.js

HighSecret Patternlib/WABinary/constants.js

MediumDynamic Requirelib/Types/Message.js

MediumNetwork

MediumShips Build HelperWAProto/GenerateStatics.sh

MediumOversized Source FileWAProto/index.js

MediumStructural Risk Force Deep Review

LowNon Install Lifecycle Scripts

LowScripts Present

LowEvallib/Utils/messages-media.js

Affected versions and remediation

This report applies to vanzdev@3.0.6.

The versions list below shows the verdict for each recorded version.

Avoid installing vanzdev@3.0.6. Remove it from direct dependencies and check your lockfile for transitive copies.
Choose an independently verified alternative or release. This report does not establish that other versions are safe.
If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment.

Evidence last updated: 2026-08-03 14:57:58.710Z (UTC).

Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.

Versions

3 known versions

3.0.6latestshownMaliciousMalwareBlockPublishedAug 2, 2026, 9:00 PM 3.0.5MaliciousMalwareBlockPublishedAug 2, 2026, 8:43 PM 3.0.4MaliciousMalwareBlockPublishedAug 2, 2026, 8:28 PM

AI Security Review

Decision evidence

Source & flagged code

Source & flagged code

Findings

Affected versions and remediation

Versions

Related packages

Other malware packages

Behavioral surface

Related packages

Other malware packages

Source & flagged code