APT / THREAT GROUP

Dexter

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Dexter is a computer virus or point of sale malware which infects computers running Microsoft Windows and was discovered by IT security firm Seculert, in December 2012. It infects PoS systems worldwide and steals sensitive information such as Credit Card and Debit Card information.

Threat Analysis

Dexter is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://www.trustwave.com/Resources/SpiderLabs-Blog/The-Dexter-Malware--Getting-Your-Hands-Dirty/

→https://securitykitten.github.io/2014/12/01/lusypos-and-tor.html

→http://contagiodump.blogspot.com/2012/12/dexter-pos-infostealer-samples-and.html

→https://blog.trendmicro.com/trendlabs-security-intelligence/infostealer-dexter-targets-checkout-systems/

→https://volatility-labs.blogspot.com/2012/12/unpacking-dexter-pos-memory-dump.html

Quick Facts

TypeAPT / Threat Group

Aliases3

Also Known As

LusyPOSwin.dexterDexter

External Intelligence

Malpedia: win.dexter

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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