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

Organize-C Pro

by [email protected] · 280 users · 5.0 rating
6b07b09d-d31c-58de-ad6e-3cb1d0b02b58 | v7.4.3.87
0/ 100
MINIMAL risk
-53 since v7.4.3.85
53 → 0 · false positives removed
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
4 days ago
Version
v7.4.3.87
Artifact
SHA256 F5D…819
Source
Findings (non-IoC)

Evidence ledger

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

23 detail rows

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

22
Network

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.

Organize-C Pro is a Portuguese-language WhatsApp sales tool. Its listing says it organises contacts, sends messages and automates replies, and version 7.4.3.87 ships about twenty JavaScript chunks in content/assets/js/, each named with a build UUID such as v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d28923.js. The publisher is listed as [email protected], an address on a domain that resells extensions, with no company name attached.

The findings that drive the score are about the shape of the code. Fifteen chunks in content/assets/js/ fire NET-FETCH, NET-JQUERY_AJAX and NET-SOCKET_IO, and background.js:137 fires NET-FETCH in the service worker. Those three rules match fetch(), $.ajax() and socket.io wherever they occur, so they land on almost any bundled front-end. A tool that syncs contacts and queues with a remote dashboard needs exactly this plumbing. The problem is that no destination is recorded for any of it, so the scan cannot say whether the traffic goes to the vendor's own API or somewhere else.

The two obfuscation hits are the only ones that warrant a second look. OBFUSCATION-LARGE_BASE64 fires at funnil/assets/js/9cf42769-2ad5-4714-8614-9a2b4c455349.CgnacD38.js:1, which holds a block of base64 text, and OBFUSCATION-FUNCTION_INDIRECT fires at content/assets/js/v_7_4_3_87_0a650f0a-57a6-4989-860e-3a9d8748d289260.js:1. Bundlers inline fonts, images and vendor blobs as base64 all the time, and minifiers call functions through variables as a matter of course, so both patterns are ordinary on their own. What the blob in the funnil file decodes to is not answered anywhere in what we have.

Everything else came back clean. No malware signatures, no threat-intelligence indicators, no code-smell rules, no exposed secrets, no dependency findings. For 23 flagged items to include zero malware signatures is the most useful fact in the scan: cookie theft, proxyware and dropper behaviour all leave traces that this analysis did not produce.

A skeptic would look at the anonymous publisher address, a socket.io channel to an unnamed server and a base64 blob, and call this a staged remote payload aimed at 280 WhatsApp users. That reading is reasonable on its face. It fails on the missing half: there is no signature, no indicator, no credential access and no named destination anywhere in the findings. Every network hit maps to a known framework rule, which is what noise looks like. The absence of a recorded endpoint is also why this is not an all-clear. Reaching the socket.io server or the fetch target in background.js would settle it, and so would the manifest permissions, which were not captured.

Key Reasons

  • All 23 findings are medium severity with zero malware signatures, zero IoCs, zero code-smell rules and zero secret findings.
  • The 22 network hits are framework-level rules (NET-FETCH, NET-JQUERY_AJAX, NET-SOCKET_IO) spread across UUID-named bundle chunks in content/assets/js/ and one service-worker line at background.js:137.
  • OBFUSCATION-LARGE_BASE64 at funnil/assets/js/9cf42769-2ad5-4714-8614-9a2b4c455349.CgnacD38.js:1 is unexplained by the evidence and is the single item worth decoding.
  • permissions and host_permissions are both empty, so the extension's actual reach into web.whatsapp.com is not established.
  • No destination domain is recorded for any outbound connection, leaving the socket.io channel unverified.

False Positive Considerations

  • Minified and bundled JavaScript under content/assets/js/ triggers jQuery Ajax, Socket.IO and fetch network rules because those rules match framework calls wherever they appear.
  • LARGE_BASE64 and FUNCTION_INDIRECT both fire on ordinary bundler and minifier output rather than on deliberate packing.
  • Finding volume is inflated by many similarly named UUID build chunks, each producing its own version of the same network rule.
  • No IoC, malware-signature, code-smell, secret or dependency findings accompany the network and obfuscation hits.

Reviewed 2026-10-15; recommended action: runtime analysis; model confidence 62%.

Chrome version history

Risk trend by version

21 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.

Latest
53
Change since first
-11
Change from previous
No change
Versions:
First analyzed version
7.4.3.7
Feb 8, 2026
Risk range
53 to 73
Across analyzed versions
Latest analyzed version
7.4.3.85
Oct 4, 2026
Selected version
minimal
Version
v7.4.3.87
4 days ago
Risk score
0
Findings
23
Change vs previous
-53

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

About This Extension

Características do Organize-C Pro: ✔ Envio em massa para contatos ou importados via CSV – Envie mensagens para múltiplos contatos de maneira rápida e prática, sem complicação. ✔ Criação de Abas Personalizadas – Organize seus contatos de forma eficiente e encontre facilmente os mais importantes. ✔ Visão Kanban dos Contatos – Tenha uma visão clara e organizada dos seus contatos com a opção de arrastar e soltar. ✔ Envio de Mensagens para Números Não Salvos – Envie mensagens para qualquer número, mesmo que não esteja na sua agenda, sem precisar adicionar à lista de contatos. ✔ Criação de Notas Personalizadas – Anote informações importantes para cada contato diretamente no perfil deles. ✔ Lembretes para Contatos – Nunca se esqueça de retornar uma ligação ou seguir com um compromisso. Crie lembretes específicos para cada contato. ✔ Agendamento de Reuniões no Google Agenda – Agende compromissos diretamente no seu Google Agenda com facilidade, sem precisar sair da plataforma. ✔ Lembretes Simples e Notificações – Crie lembretes rápidos e receba notificações diretamente no seu dispositivo. ✔ Banco de Respostas Rápidas – Tenha respostas pré-configuradas e envie com um clique para otimizar seu tempo. ✔ Exportação de Contatos do Wpp – Exporte seus contatos diretamente do Wpp ou de grupos de Wpp para facilitar a organização. ✔ Suporte Multilíngue – Use a plataforma em seu idioma nativo: português, espanhol ou inglês, garantindo facilidade de uso. ✔ 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. Organize-C Pro é uma ferramenta independente, sem qualquer vínculo com o WhatsApp ou a empresa responsável. Funciona exclusivamente através da Chrome Web Store e opera de maneira autônoma. Não somos uma ferramenta oficial do WhatsApp, mas oferecemos funcionalidades inovadoras para quem precisa de mais praticidade na gestão de contatos e mensagens.

Frequently Asked Questions