May 2026 Infostealer Trend Report
ID: 9b11d731-d373-5a1a-80e5-d52918e78f7c
STIX ID: report--9b11d731-d373-5a1a-80e5-d52918e78f7c
Feed Name: ASEC
Threat Score
This AhnLab monthly intelligence report summarizes May 2026 infostealer activity: distribution via cracked software, email, and macOS scripts; prominent families (LummaC2 most prevalent, Remus widespread, AgentTesla and DarkCloud in email campaigns); execution types dominated by EXE with notable DLL side-loading; collected MD5s, URLs and C2 domains; and recommended defensive actions (avoid cracked software, enable 2FA, update security software, encrypt sensitive files).
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