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Ukrainian CERT Warns Citizens of a New Wave of Attacks Distributing Jester Malware

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of phishing attacks that deploy an information-stealing malware called Jester Stealer on compromised systems. The mass email campaign carries the subject line “chemical attack” and contains a link to a macro-enabled Microsoft Excel file, opening which leads to computers getting infected with Jester Stealer. The attack, which