10 malware families
Ryuk actors
Also known asryuk_actors
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ARSENAL
Associated malware families
10 malware families attributed to this actor across reporting.
FamilyContextEvidenceLast seen
Bazar"...other recent attacks have used another Trickbot-connected backdoor known as Bazar."1Mar 18, 2026
BloodHound"SharpHound... for BloodHound (an open-source Active Directory analysis tool used to identify attack paths in AD environments)."1Mar 18, 2026
Buer Loader"...allowing the document to execute print_document.exe —a malicious executable identified as Buer Loader."1Mar 18, 2026
Cobalt Strike"...the Buer Loader malware dropped qoipozincyusury.exe, a Cobalt Strike 'beacon'..."1Mar 18, 2026
Emotet"...shift away from the malware that had been the basis of most Ryuk attacks last year (Emotet and Trickbot)."1Mar 18, 2026
5 additional families tracked in Mallory.
ACTIVITY FEED
Recent activity
No public activity tracked yet. Mallory keeps watching.
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No public activity observed for this threat actor.
What this page doesn’t show
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Target overlap
Match sector + geo + tech-stack targeting against your real footprint.
Tradecraft mapping
Every observed MITRE ATT&CK technique, grouped by tactic.
Malware arsenal10
Families this actor is known to deploy, with IOCs and behavior.
Exploited CVEs
CVEs this actor has used in known campaigns.
Detection signatures
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Observables
Domains, IPs, and hashes tied to this actor, refreshed continuously.