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Domain Investigation Report

Report generated: Dec 23, 2025

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zkcall.net

http://zkcall.net
Geo: unknown
Website: Site icon
Category: Domain
Recommendation
Caution
Overall Summary
Suspicious
  Why we think so? 

zkcall.net is a software company based in Tallinn, Estonia, focused on secure collaboration tools with blockchain-based identity verification. The site has low to moderate traffic (~750 visits in November 2025) primarily from the US (78%) and India (22%). It maintains valid SSL certificates and is registered since early 2024. Public reviews or complaints are not available, and no lawsuits have been reported. However, the "zk-call" name is linked to a malicious MacSync Stealer malware campaign disguising as a chat app installer, raising serious security concerns despite no direct scam reports on zkcall.net itself. The company provides contact emails and has an active presence on social media and GitHub. Proceed with caution due to the malware association and limited independent feedback.

Confidence Score Our overall confidence rating for this entity based on public signals, activity, and risk checks.
63%

Risk Insights

⚠️

Malware Link Raises Concern

  • Malware disguised as 'zk-call' app installer targets macOS users.
  • Code-signed and notarized to bypass Apple security.
  • Steals saved passwords stealthily in background.
🛡️

Verified Domain with Active Certificate

  • Registered under Hostinger in early 2024.
  • SSL certificate valid through March 2026.
  • Technical setup aligns with normal business practices.
❓

Lack of Customer Feedback

  • No public reviews or complaints found.
  • No documented lawsuits or disputes.
  • Limits confidence in reputation assessment.

Category Scores

Red Flags & Warnings

  • Malware campaign associated with "zk-call" name targets macOS users with password-stealing software disguised as a chat app installer.

Detailed Checks & Insights

0-100 Scale

Domain Age and Registrar Reputation

Score: 70
Passed

Reason: The domain was registered recently with Hostinger, a reputable registrar.

Traffic Volume and Engagement

Score: 50
Passed

Reason: Low monthly visits and moderate engagement metrics suggest limited reach and adoption.

Public Reviews and Reputation

Score: 40
Failed

Reason: No verified customer reviews or complaints available; lack of external validation is concerning.

Blacklist and Malware Presence

Score: 20
Failed

Reason: Associated malware campaigns using the 'zk-call' name significantly raise risk.

Business Validity and Physical Presence

Score: 65
Passed

Reason: Verified business listing at a Tallinn address with positive user ratings.

Your Next Steps

  • 1

    Avoid downloading any software claiming to be "zk-call" or associated installers without thorough antivirus scanning.

  • 2

    Verify any contact or business claims directly from official sources or trusted third-party reviews before engagement.

  • 3

    Monitor reports for updates on potential scams or malware linked to zkcall.net or related brands.

  • 4

    Use standard security practices such as up-to-date protection and cautious handling of unsolicited software downloads.

Evidence & Citations

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