The threat actors behind a malware family known as Winos 4.0 (aka ValleyRAT) have expanded their targeting footprint from China and Taiwan to target Japan and Malaysia with another remote access trojan (RAT) tracked as HoldingHands RAT (aka Gh0stBins).

"The campaign relied on phishing emails with PDFs that contained embedded malicious links," Pei Han Liao, researcher with Fortinet's FortiGuard Labs, said in a report shared with The Hacker News. "These files masqueraded as official documents from the Ministry of Finance and included numerous links in addition to the one that delivered Winos 4.0."

Winos 4.0 is a malware family that's often spread via phishing and search engine optimization (SEO) poisoning, directing unsuspecting users to fake websites masquerading as popular software lik

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