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Darrel Virtusio

Darrel Virtusio

TRU Researcher, Acronis Threat Research Unit (TRU)

Darrel is a cybersecurity professional with hands-on experience in threat research. He began his career training in malware analysis and reverse engineering at Trend Micro. He later specialized in threat hunting, contributing to the discovery of emerging ransomware threats and monitoring ransomware groups, identifying open-source red team tools, developing threat hunting queries, and publishing research blogs. Darrell joined Acronis to continue his work and further develop his career in threat research.

Darrel's articles

November 19, 2025

Cooking up trouble: How TamperedChef uses signed apps to deliver stealthy payloads

Acronis Threat Research Unit (TRU) observed a global malvertising / SEO campaign, tracked as “TamperedChef.” It delivers legitimate-looking installers that disguise as common applications to trick users into installing them, establish persistence and deliver obfuscated JavaScript payloads for remote access and control.

November 19, 2025

Cooking up trouble: How TamperedChef uses signed apps to deliver stealthy payloads

Acronis Threat Research Unit (TRU) observed a global malvertising / SEO campaign, tracked as “TamperedChef.” It delivers legitimate-looking installers that disguise as common applications to trick users into installing them, establish persistence and deliver obfuscated JavaScript payloads for remote access and control.