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Cybercriminals Using Powerful BatCloak Engine to Make Malware Fully Undetectable

June 12, 2023

A fully undetectable (FUD) malware obfuscation engine named BatCloak is being used to deploy various malware strains since September 2022, while persistently evading antivirus detection.

The samples grant “threat actors the ability to load numerous malware families and exploits with ease through highly obfuscated batch files,” Trend Micro researchers said.

About 79.6% of the total 784 artifacts unearthed have no detection across all security solutions, the cybersecurity firm added, highlighting BatCloak’s ability to circumvent traditional detection mechanisms.

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