Historical malware archive mirrored by vx-underground for research and preservation.
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Jotti's malware scan is a free service that scans suspicious files with several anti-virus programs. Users can submit up to five files at once, with a 250MB limit per file. Files are shared with anti-virus companies so their products' detection accuracy can be improved.
Malpedia is a free service from Fraunhofer FKIE aimed at providing a resource for rapid identification and actionable context when investigating malware. Curated contributions are intended to support accountable quality and reproducible research. Not all content is publicly available; an account is needed to access all data, such as malware samples and non-public YARA rules, and it is operated as an invite-only trust group.
Cisco Talos Intelligence Group is a threat intelligence operation that publishes threat research and an Intelligence Center with web reputation, content categorization, sender IP and domain reputation, file reputation and IPS/IDS resources. It also offers incident response services for emergency network security needs and proactive intelligence-led services.
Screenshot is a screenshot reference used for visual evidence, examples, or safety warnings.
Whoxy is a hosted web service that returns parsed WHOIS fields to applications in XML or JSON format over HTTP requests. It follows WHOIS registry referral chains to find the correct servers, and supports 2026 domain extensions including gTLDs and ccTLDs. The page notes a free account signup and query pricing by volume.
rifteyy is an independent malware analyst from the Czech Republic. The site collects in-depth malware and ransomware analysis reports, reverse engineering breakdowns, and security research. The analyst describes himself as a computer science student, tech support and teacher at a primary school, and a Malware Removal Expert on various forums. Malware removal help is handled through public forums, not through socials or email.
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Jotti's malware scan is a free service that scans suspicious files with several anti-virus programs. Users can submit up to five files at once, with a 250MB limit per file. Files are shared with anti-virus companies so their products' detection accuracy can be improved.
Malpedia is a free service from Fraunhofer FKIE aimed at providing a resource for rapid identification and actionable context when investigating malware. Curated contributions are intended to support accountable quality and reproducible research. Not all content is publicly available; an account is needed to access all data, such as malware samples and non-public YARA rules, and it is operated as an invite-only trust group.
Cisco Talos Intelligence Group is a threat intelligence operation that publishes threat research and an Intelligence Center with web reputation, content categorization, sender IP and domain reputation, file reputation and IPS/IDS resources. It also offers incident response services for emergency network security needs and proactive intelligence-led services.
Screenshot is a screenshot reference used for visual evidence, examples, or safety warnings.
Whoxy is a hosted web service that returns parsed WHOIS fields to applications in XML or JSON format over HTTP requests. It follows WHOIS registry referral chains to find the correct servers, and supports 2026 domain extensions including gTLDs and ccTLDs. The page notes a free account signup and query pricing by volume.
rifteyy is an independent malware analyst from the Czech Republic. The site collects in-depth malware and ransomware analysis reports, reverse engineering breakdowns, and security research. The analyst describes himself as a computer science student, tech support and teacher at a primary school, and a Malware Removal Expert on various forums. Malware removal help is handled through public forums, not through socials or email.
