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A single ZIP file that looks harmless can now bypass security tools and lead to a full ransomware takeover in less than a day.

Chris and Bob talk about a recent incident that uses an old tactic with a new deliver mechanism that takes advantage of OS loopholes to succeed.

In late 2025, the GootLoader malware campaign returned with a dangerous new technique designed to bypass modern security tools. By abusing malformed ZIP files that only Windows can open correctly, attackers trick users into running hidden malicious scripts. Within hours, victims’ systems can be taken over, handing access to ransomware groups like Rhysida—often leading to full domain compromise in under 17 hours. This incident highlights a major shift in cybercrime, where traditional antivirus tools fail and behavioral detection becomes critical.

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