Is "Free WA Bulk Number Checker" on Chrome Web Store Safe to Install?
Free WhatsApp Bulk Number Checker Chrome extension is a convenient and 100% free tool for quickly verifying multiple WhatsApp numbers in bulk. Designed for business owners, marketers, and anyone looking to streamline their communication efforts, this extension allows users to validate WhatsApp numbers directly from the web. HOW IT WORKS? Step 1. Open WhatsApp Web on your browser and login Step 2. Paste or import a list of phone numbers (with country codes) Step 3. Click on START CHECK button and the extension will check each number’s status on WhatsApp Web, indicating whether the number is registered on WhatsApp. This extension operates efficiently by leveraging WhatsApp Web, accessing the platform in the background to verify each number and displaying results in real-time. It features a “Start Check” button to initiate the validation process and a “Stop” button to halt it if needed. Additionally, users can export verified numbers as a CSV file for easy integration with contact lists or marketing campaigns. The extension also includes unique features like deduplication, ensuring that only unique numbers are processed, and number formatting to remove any extra spaces for seamless validation. A helpful counter keeps track of total and valid numbers, making it simple to review results at a glance. With user-friendly navigation and secure data storage, the Free WhatsApp Bulk Number Checker is a valuable tool for anyone seeking to optimize their WhatsApp contact management and outreach efforts.
Risk Assessment
Analyzed30 security findings detected across all analyzers
Chrome extension requesting 4 permissions
Severity Breakdown
Finding Categories
YARA Rules Matched
5 rules(8 hits)Requested Permissions
4 permissionsAbout This Extension
Detailed Findings
9 totalYARA Rule Matches
5 rulesIndicators of Compromise
Network indicators, suspicious strings, and potential IoCs extracted during analysis
All Indicators · 21
detected IP: :: XIOC detected IP: ::
extracted_from_files
detected URL: http://ns.adobe.com/tiff/1.0/ XIOC detected URL: http://ns.adobe.com/tiff/1.0/
extracted_from_files
detected URL: https://clients2.google.com/service/update2/crx XIOC detected URL: https://clients2.google.com/service/update2/crx
extracted_from_files
detected URL: https://web.whatsapp.com/* XIOC detected URL: https://web.whatsapp.com/*
extracted_from_files
detected URL: https://www.whatsender.net XIOC detected URL: https://www.whatsender.net
extracted_from_files
detected URL: https://store.payproglobal.com/checkout?products[1][id]=100998 XIOC detected URL: https://store.payproglobal.com/checkout?products[1][id]=100998
extracted_from_files
detected URL: https://whatbot.net/whatsapp-number-filter-bulk-check-of-whatsapp-and-non-whatsapp-numbers/' XIOC detected URL: https://whatbot.net/whatsapp-number-filter-bulk-check-of-whatsapp-and-non-whatsapp-numbers/'
extracted_from_files
detected Domain: www.whatsender.net XIOC detected Domain: www.whatsender.net
extracted_from_files
detected Domain: whatbot.net XIOC detected Domain: whatbot.net
extracted_from_files
detected Domain: rows.map XIOC detected Domain: rows.map
extracted_from_files
detected Domain: a.download XIOC detected Domain: a.download
extracted_from_files
detected Domain: a.click XIOC detected Domain: a.click
extracted_from_files
detected URL: https://web.whatsapp.com/send?phone=$ XIOC detected URL: https://web.whatsapp.com/send?phone=$
extracted_from_files
detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns# XIOC detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns#
extracted_from_files
detected IP: b:: XIOC detected IP: b::
extracted_from_files
detected Domain: web.whatsapp.com XIOC detected Domain: web.whatsapp.com
extracted_from_files
detected Domain: chrome.storage XIOC detected Domain: chrome.storage
extracted_from_files
detected Domain: www.w3.org XIOC detected Domain: www.w3.org
extracted_from_files
detected Domain: ns.adobe.com XIOC detected Domain: ns.adobe.com
extracted_from_files
detected Domain: clients2.google.com XIOC detected Domain: clients2.google.com
extracted_from_files
detected Domain: store.payproglobal.com XIOC detected Domain: store.payproglobal.com
extracted_from_files
Security Analysis Summary
Security Analysis Overview
Free WA Bulk Number Checker is a Chrome Web Store extension published by [email protected]. Version 2.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 49.52/100 (MEDIUM risk) based on 30 security findings.
Risk Assessment
This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.
Findings Breakdown
- High: 8 finding(s)
- Medium: 22 finding(s)
What Was Analyzed
The security assessment covers multiple analysis categories:
- Malware Detection: YARA rule matching against 2,400+ malware signatures
- Secret Detection: Scanning for exposed API keys, tokens, and credentials
- Static Analysis: Code-level security analysis for common vulnerability patterns
- Network Analysis: Detection of suspicious network communications and endpoints
- Obfuscation Detection: Identification of code obfuscation techniques
Developer Information
Free WA Bulk Number Checker is published by [email protected] on the Chrome Web Store marketplace. The extension has approximately 142 users.
Recommendation
Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.
Source Code Not Available
Source code is not available for this version of the extension.
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