Efimer Malicious Script Spreads via WordPress Sites, Torrents, and Email in Massive Attack Wave

Kaspersky researchers have uncovered a widespread campaign involving the Efimer malicious script, a sophisticated Trojan-dropper primarily aimed at stealing cryptocurrency. First detected in June 2025, the malware impersonates legal correspondence from major companies, accusing recipients of domain name infringements and attaching malicious archives that deploy the Efimer stealer. ‘ Named after a comment in its […]

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