Is "Free WA Bulk Number Checker" on Chrome Web Store Safe to Install?

[email protected] · chrome · v2.0

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

Analyzed
49.52
out of 100
MEDIUM

30 security findings detected across all analyzers

Chrome extension requesting 4 permissions

Severity Breakdown

0
Critical
8
High
22
Medium
0
Low
0
Info

Finding Categories

8
Malware Signatures
21
IoC Indicators

YARA Rules Matched

5 rules(8 hits)
postinstall crypto operations postinstall file manipulation postinstall network communication postinstall system command postinstall file download

Requested Permissions

4 permissions
tabs
Medium
scripting
Low
storage
Low
https://web.whatsapp.com/*
Low

About This Extension

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.

Detailed Findings

9 total

YARA Rule Matches

5 rules

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs
8
IP Addresses
2
Domains
11
Strings
21

All Indicators · 21

IP
detected IP: ::

XIOC detected IP: ::

extracted_from_files

URL
detected URL: http://ns.adobe.com/tiff/1.0/

XIOC detected URL: http://ns.adobe.com/tiff/1.0/

extracted_from_files

URL
detected URL: https://clients2.google.com/service/update2/crx

XIOC detected URL: https://clients2.google.com/service/update2/crx

extracted_from_files

URL
detected URL: https://web.whatsapp.com/*

XIOC detected URL: https://web.whatsapp.com/*

extracted_from_files

URL
detected URL: https://www.whatsender.net

XIOC detected URL: https://www.whatsender.net

extracted_from_files

URL
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

URL
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

Domain
detected Domain: www.whatsender.net

XIOC detected Domain: www.whatsender.net

extracted_from_files

Domain
detected Domain: whatbot.net

XIOC detected Domain: whatbot.net

extracted_from_files

Domain
detected Domain: rows.map

XIOC detected Domain: rows.map

extracted_from_files

Domain
detected Domain: a.download

XIOC detected Domain: a.download

extracted_from_files

Domain
detected Domain: a.click

XIOC detected Domain: a.click

extracted_from_files

URL
detected URL: https://web.whatsapp.com/send?phone=$

XIOC detected URL: https://web.whatsapp.com/send?phone=$

extracted_from_files

URL
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

IP
detected IP: b::

XIOC detected IP: b::

extracted_from_files

Domain
detected Domain: web.whatsapp.com

XIOC detected Domain: web.whatsapp.com

extracted_from_files

Domain
detected Domain: chrome.storage

XIOC detected Domain: chrome.storage

extracted_from_files

Domain
detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

Domain
detected Domain: ns.adobe.com

XIOC detected Domain: ns.adobe.com

extracted_from_files

Domain
detected Domain: clients2.google.com

XIOC detected Domain: clients2.google.com

extracted_from_files

Domain
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.

Frequently Asked Questions