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We are a cross-functional company committed to creating and leading solutions for effective communications, operations and functionalities. Without any overstatements — we are the best choice for businesses, organizations and individual users! Our structure includes 2 affiliated subsidiaries focused on various professional and topical market areas, more precisely: ———————————————————————————— 1) zk-Call & Messenger — our innovative platform for meetings and productive communication applying "Zero-Knowledge" technology for user's data-encryption and transmission, featuring the highest level of data encryption and protection. It provides a range of already integrated and automated AI-tools for secure & confidential communication, including a variety of AI-based solutions of such origins: —uniquely designed and engineered by our talented team; —separate AI-based solutions from other companies and our partners, which were further enhanced and re-trained by us. 🛈 To learn more, please visit our website or explore our dedicated zk-Call & Messenger's page on CrunchBase. ———————————————————————————— 2) zk-Call & Artificial Intelligence (AI) — offers ground-breaking models and AI-driven products, including adapted and refined partnership technologies for any targeted directions. Our brief list of products: ⁃Speech & Language solutions and models; ⁃Voice solutions and models; ⁃Generative solutions and models; ⁃Intelligence & Behavior solutions and models; ⁃Development & Implementation of customized solutions for your business. 🛈 To learn more, please visit our website or explore our dedicated zk-Call & Artificial Intelligence (AI)'s page on CrunchBase. ———————————————————————————— Our products presented above are only a fraction of what is available on our multi-target platform. We recommend checking out our subsidiary company profiles on CrunchBase and visiting our website for more information about our products and developments. ———————————————————————————— 🠶 For inquiries and proposals from corporate clients, please contact us via email: contact@zkcall.net .
Laki 4, 10621, Tallinn, Estónia
2,8
5 opiniões
Sem histórico de convites para avaliação
Esta empresa não convidou os clientes, pelo que as opiniões podem não ser representativas
Como esta empresa usa o Trustpilot
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This app is extremely dangerous and should be treated as outright malware.
This is not just “suspicious software” but a weaponized trojan designed to steal credentials and crypto. Anyone considering downloading or running this app should stay far away—do not install it under any circumstances, and if you already did, assume you have been compromised and take immediate incident‑response steps.
🚨 MALWARE ANALYSIS REPORT
zk-call-messenger-installer-3_9_2-lts.dmg (downloaded from ZkCallnet website)
VERDICT: Trojan Downloader - HIGH RISK
SUMMARY:
This DMG masquerades as the legitimate zk-Call messenger but is actually a trojan downloader. The installer contains 35MB of authentic LibreOffice documentation (Impress Guide 25.2 and Draw User Guide 7.6) as a distraction tactic to appear legitimate. Upon execution, the binary (runtimectl) downloads a secondary payload from gatemaden_dot_space - a domain completely unrelated to the official zk-Call website (zkcall_dot_net).
KEY EVIDENCE:
• Hardcoded malicious URL
• Uses stolen/compromised Apple Developer ID certificate (OKAN ATAKOL GNJLS3UYZ4)
• Embedded curl command for downloading unknown payload with retry mechanisms
• Decoy PDFs: PrivacyOverview.pdf (21MB) + QuickStart.pdf (14MB) - official LibreOffice guides, not messenger documentation
ATTACK VECTOR:
1. User downloads fake installer (possibly via phishing/malvertising)
2. Installer appears legitimate due to valid Apple certificate and professional-looking PDFs
3. Upon launch, runtimectl executes and silently downloads malware from gatemaden.space
4. Downloaded payload executes (unknown functionality - likely infostealer, RAT, or ransomware)
IMMEDIATE ACTIONS REQUIRED:
If installed: Remove application immediately, scan with Malwarebytes, check LaunchAgents/LaunchDaemons for persistence, consider password resets
If not installed: Delete DMG file, do not execute
FILE HASH (SHA256):
be961ec5b9f4cc501ed5d5b8974b730dabcdf7e279ed4a8c037c67b5b935d51a
LEGITIMATE SOURCE:
I was downloaded dmg file from official site Zkcall_dot_net and this file contains Trojan downloader only. No messenger functionality inside. All space used by Libreoffice pdfs.
Perfect for team calls, but could use a better file-sharing system. Otherwise, no complaints.
I’ve been waiting for a product like this for years. It’s like zk call read my mind so perfect.
not bad at all, but if you’re looking for deep integrations — you might be left waiting for updates cause for me it was kind of disturbing:/
Resposta da zk-Call & Digital Co.
Hello Ava,
Thank you for highlighting concerns about deeper integrations. Our latest updates have significantly improved third-party support, so you may already notice a smoother experience.
If any issues persist, please let us know. We strive to ensure every feature aligns with real-world needs.
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