MALWARE FAMILY
Sheriff
Internal ID: win.sheriff
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
According to IBM X-Force, this is a modular backdoor that was used for targeting the defense sector of Ukraine. It uses the Dropbox API for C2 and data exfiltration.
Threat Analysis
Sheriff is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.
External References
Quick Facts
TypeMalware Family
Aliases1
Also Known As
win.sheriff
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.