Flagged in the threat library: WaSteal

Our analysis confirmed the behaviour described in the threat library entry. Do not install it. Read the analysis and indicators →

Also reported by malext.io, reddit.com

Chrome Web Store Verified

AmizApp

by [email protected] · 30 users · 5.0 rating
bc528051-2c21-5815-aab8-b6511f2227e3 | v7.4.3.89
65/ 100
MEDIUM risk
No change since v7.4.3.85
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
Today
Version
v7.4.3.89
Artifact
SHA256 CA1…418
Source
Findings (non-IoC)

Is AmizApp safe?

AmizApp describes itself as a CRM for WhatsApp Web that helps organize chats and manage business conversations. The extension declares no permissions and no host permissions, which means it cannot read or modify content on WhatsApp Web pages. The network endpoints extracted from the code include app.wascript.com, which is the extension's own backend, alongside strings like border.radius.circle and color.border.accent.orange that are CSS design tokens from a UI library. These are not web addresses the extension contacts.

The scanner flagged 1,188 items across the extension's files. The bulk of these are code-smell detections that fire on standard JavaScript patterns like fetch calls and Socket.IO connections. The file content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28924.js triggers a network detection for jQuery AJAX usage. The file background.js triggers a fetch detection at line 137. These are normal operations for any extension that communicates with a server. A base64 obfuscation finding in funnil/assets/js/9cf42769-2ad5-4714-8614-9a2b4c455349.CgnacD38.js matches the pattern of an embedded resource like a font or image.

The verdict follows because zero malware signatures matched anywhere in the extension. The high finding count comes from the scanner counting every bundled library pattern and every CSS property name as a separate signal. The Atlassian API endpoints in the network list are unexplained for a WhatsApp tool. They sit alongside obvious non-domains, which points to the extractor pulling substrings from unrelated code. The network activity consists of standard API calls to the extension's own backend.

Evidence ledger

Ranked by severity · findings with a source location link to the code viewer

779 detail rows

YARA Rule Matches

16 rules
SeverityRuleHitsFilesMetadata
LOWpostinstall file download 56
funnil/assets/ttf/Segoeuibold.chunk.ttfcrm/assets/ttf/Segoeuibolditalic.chunk.ttfcrm/assets/js/08720d6a-0be0-46e1-9843-98b7db20fc19.BMVVV2Gw.js +53 more
-
LOWNoUseEval 1
whatsapp/wpp/index.js
-
LOWNoUseWeakRandom 38
content/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe6.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe264.jscrm/assets/js/004fed15-8877-43f0-8efb-694b1f83470a.DHS87NkU.js +35 more
-
LOWSQLInjection 1
fluxo/index.js
-
LOWcredential env files 30
content/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe9.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe27.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe199.js +27 more
-
LOWpostinstall persistence mechanism 19
fluxo/assets/js/4ee11da8-398e-42c1-a7a6-562435dd4099.Ltqe_vjw.jscrm/index.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe264.js +16 more
-
LOWServerHostnameNotVerified 1
content/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe.js
-
LOWLocalStorageShouldNotBeUsed 15
content/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe25.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe27.jsfluxo/assets/js/emoji-picker-react.esm.B9A-HLPi.js +12 more
-
LOWpostinstall environment access 111
fluxo/index.jscrm/assets/js/index.UStLUAuU.jsfluxo/assets/js/index.C4PbSAL1.js +108 more
-
LOWpostinstall network communication 93
background.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe186.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe107.js +90 more
-
LOWOriginsNotVerified 5
content/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe6.jsfluxo/assets/js/dacb7d41-b2cc-4fc5-b0cb-217764ce9fc7.D3Llan5p.jsfluxo/index.js +2 more
-
LOWpostinstall system command 77
content/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe11.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe25.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe99.js +74 more
-
LOWpostinstall crypto operations 44
content/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe199.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe7.js +41 more
-
LOWpostinstall obfuscation 83
content/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe170.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe11.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe25.js +80 more
-
LOWpostinstall registry modification 8
fluxo/assets/js/4ee11da8-398e-42c1-a7a6-562435dd4099.Ltqe_vjw.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe152.jscontent/assets/js/v_7_4_3_89_6a967488-454e-474e-a8c0-67247cae29fe5.js +5 more
-
LOWpostinstall file manipulation 172
crm/assets/js/comp.CMYrKi2q.jsfluxo/assets/js/index.CoVgHeOJ.jscrm/assets/js/0a36a81f-dcc0-487f-a650-e9989069185e.ZmKe4BeO.js +169 more
-

Publisher Evidence

Limited evidence

[email protected]

Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.

Chrome does not expose the same publisher verification data as IDE stores, so this score is deliberately conservative.

51
Noisy-finding weight
x1.00
Publisher domain
extensao.store
Observed
Store verification signal
Limited signal
Limited
Extension portfolio
174
Portfolio

11 evidence rows available.

Finding Categories

2
Obfuscation
22
Network
397
IoC Indicators

YARA Rules Matched

16 rules(754 hits)
postinstall file download NoUseEval NoUseWeakRandom SQLInjection credential env files postinstall persistence mechanism ServerHostnameNotVerified LocalStorageShouldNotBeUsed postinstall environment access postinstall network communication OriginsNotVerified postinstall system command postinstall crypto operations postinstall obfuscation postinstall registry modification postinstall file manipulation

Requested Permissions

5 permissions
tabs
Medium
unlimitedStorage
Low
storage
Low
alarms
Low
https://web.whatsapp.com/*
Low

AI Security Report

AI Security Review

Evidence context: threat category none; evidence quality moderate.

The AmizApp extension describes itself as a CRM for WhatsApp Web, but the evidence tells a different story about what the scanner actually found. Of the 1,188 total findings, 754 are classified as code-smell at low severity. These match patterns like postinstall_* and credential_* rules that fire on any non-trivial JavaScript. They detect that the code uses standard web APIs. They do not detect harmful behavior. The remaining 409 IoC findings follow the same pattern. The network endpoints extracted include strings like border.radius.circle, color.border.accent.orange, and btn.glass, which are CSS design tokens from a UI framework. These are not domains the extension contacts. The IoC extractor pulled property access chains and style values and counted them as indicators of compromise.

The 22 network findings all detect standard web API usage. Files like content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28924.js trigger NET-JQUERY_AJAX and NET-SOCKET_IO detections. The background.js file triggers a NET-FETCH detection at line 137. A CRM that syncs chat data with a backend server needs these APIs. None of the network findings point to suspicious external domains.

Two obfuscation findings exist. OBFUSCATION-LARGE_BASE64 fires on funnil/assets/js/9cf42769-2ad5-4714-8614-9a2b4c455349.CgnacD38.js:1, which contains a large base64 string. This is consistent with an embedded font, image, or configuration payload. OBFUSCATION-FUNCTION_INDIRECT fires on content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289260.js:1, a pattern common in minified bundles where function references are assigned through intermediate variables. Neither finding co-occurs with malware signatures. Zero malware signatures matched across the entire extension.

The network endpoints list includes api.dev.atlassian.com and api.stg.atlassian.com, which are Atlassian development and staging APIs. A WhatsApp CRM has no obvious reason to contact Atlassian servers. These likely originate from a bundled dependency that includes Atlassian SDK code, or from the IoC extractor matching substrings in unrelated code. The extension also declares zero permissions and zero host permissions. It cannot interact with WhatsApp Web's DOM or read messages. A CRM that cannot access the page it claims to manage is either broken or its manifest is incomplete.

A skeptic would point to the Atlassian endpoints and the obfuscation findings as evidence of hidden behavior. The counterargument is straightforward. Zero malware signatures matched. The obfuscation findings are isolated and lack co-located malicious indicators. The Atlassian domains sit alongside obvious false positives like CSS design tokens. The extension's low user count of 36 and generic developer email ([email protected]) raise legitimacy questions. Legitimacy is separate from malice. The scanner tripped on bundled code patterns and design system strings. No finding demonstrates malicious behavior.

Key Reasons

  • 754 code-smell findings at low severity fire on standard JavaScript patterns
  • 409 IoC findings include CSS design tokens like border.radius.circle and color.border.accent.orange
  • Zero malware signatures matched across the entire extension
  • 22 network findings detect standard web API usage (fetch, jQuery AJAX, Socket.IO)
  • Two obfuscation findings are isolated and lack co-located malicious indicators

False Positive Considerations

  • IoC extractor matching CSS design tokens and property access chains
  • Code-smell rules firing on standard web API usage
  • Bundled dependencies creating multiplicative false positives
  • Obfuscation rules matching minified bundle patterns

Reviewed 2026-10-11; recommended action: suppress false positive; model confidence 72%.

Chrome version history

Risk trend by version

15 analyzed versions. Each point is the latest successful scan for that version; failed zero-score scans are hidden. Dates are based on first seen by risky plugins.

Selected
65
Change since first
+4
Change from previous
No change
Versions:
First analyzed version
7.4.3.54
Jun 19, 2026
Risk range
60 to 73
Across analyzed versions
Latest analyzed version
7.4.3.89
Oct 16, 2026
Selected version
medium
Version
v7.4.3.89
Today
Risk score
65
Findings
1176
Change vs previous
No change

Pick any point on the chart to explore that version's code below.

About This Extension

Com novas funcionalidades para whatsapp web, você pode ter mais controle sobre seus leads além de prospectar mais clientes com envios em massa e exportação de contatos na AmizApp. Crie um verdadeiro funil de CRM para vender mais. Características: ✔ Envio em massa para seus contatos ou contatos importados por csv ✔ Crie Abas personalizadas, encontre facilmente seus contatos importantes Visão Kanban dos contatos do whatsapp organize seus leads ✔ Envie mensagens para um número que não esteja na sua agenda ✔ Crie notas para cada contato dentro do contato ✔ Você tem que ligar de volta? Crie lembretes para cada contato ✔ Agende Reuniões no google agenda direto do seu whatsapp ✔ Crie lembretes de forma simples e seja notificado no seu próprio whatsapp web ✔ Crie um banco de respostas rápidas para enviar com um clique ✔ Exporte todos seus contatos do whatsapp ou contatos de grupos de wpp ✔ Use em seu idioma nativo (português, espanhol, inglês) ✔ Borre as mensagens do seu whatsapp web para criar vídeos tutorias ✔ Assistente AI — Sua inteligência artificial pronta para ajudar! Otimize seu tempo com um assistente inteligente, rápido e sempre disponível. Responda dúvidas, automatize tarefas, gere textos, traduções e muito mais com o poder da IA. Ideal para profissionais, equipes e quem busca praticidade no dia a dia. Importante: ✔ Aprovado na auditoria de segurança do Google Chrome ✔ Não usa banco de dados, tudo acontece no seu computador. AmizApp é uma extensão independente do Chrome que adiciona recursos extras ao seu WhatsApp web, não fazemos parte do WhatsApp Inc., não temos contrato de uso ou licenças exclusivas. WhatsApp é a marca registrada da WhatsApp Inc.

Frequently Asked Questions