MALWARE FAMILY
Casper
Internal ID: win.casper
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
ESET describes Casper as a well-developed reconnaissance tool, making extensive efforts to remain unseen on targeted machines. Of particular note are the specific strategies adopted against anti-malware software. Casper was used against Syrian targets in April 2014, which makes it the most recent malware from this group publicly known at this time.
Threat Analysis
Casper 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.casper
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.