Gootloader with Low Detection Rate Bypasses Most Security Tools

Cybersecuritynews •Tushar Subhra Dutta • January 20, 2026

Gootloader has reemerged as a serious threat after going dormant, returning in November 2025 with renewed capabilities designed to slip past modern security systems. This malware serves as an initial access broker, meaning its developers create the entry point for ransomware attacks and then hand over control to other threat actors who deploy the actual […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Gootloader Malware Resurfaces with Advanced Evasion Techniques Gootloader malware has reemerged as a significant threat, returning in November 2025 with enhanced capabilities to evade detection by security tools. The malware utilizes sophisticated evasion techniques, including exploiting malformed ZIP archives and obfuscation mechanisms, and operates as an initial access broker for ransomware attacks, facilitating entry points for other threat actors. 3 sources 48

Gootloader with Low Detection Rate Bypasses Most Security Tools

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Attack Types (2)

Malware (1)