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New Agent Tesla Malware Variant Using ZPAQ Compression in Email Attacks

A new variant of theAgent Teslamalware has been observed delivered via a lure file with theZPAQ compression formatto harvest data from several email clients and nearly 40 web browsers. “ZPAQ is a file compression format that offers a better compression ratio and journaling function compared to widely used formats like ZIP and RAR,” G Data malware analyst Anna Lvovasaidin a Monday analysis.