TamperedChef

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Malware family tracked by Malpedia. ID: win.tampered_chef

Threat Analysis

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

Intelligence Reports Mentioning TamperedChef

Tracking TamperedChef Clusters via Certificate and Code Reuse

Palo Alto Unit 42· May 20, 2026

TamperedChef serves bad ads with infostealers as the main course

Sophos X-Ops· Jan 15, 2026

External References

→https://gbhackers.com/threat-actors-weaponize-pdf-editor-trojan/

→https://medium.com/@Mr.AnyThink/hunting-for-tamperedchef-infostealer-825dc94cee00

→https://www.controlware.de/fileadmin/controlware/sonstiges/dokumente/Security_Hinweise/Controlware_Beyond_Potentially_Unwanted_Apps_2025.pdf

→https://www.gdatasoftware.com/blog/2025/08/38247-justaskjacky-ai-trojan-horse-comeback

→https://www.gdatasoftware.com/blog/2025/08/38257-appsuite-pdf-editor-backdoor-analysis

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

win.tampered_chefTamperedChef

External Intelligence

Malpedia: win.tampered_chef

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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