Hackers abuse Google ads, Claude.ai chats to push Mac malware

2026-05-11T01:23:30Z53924fff603c030f27fca1b79c2baa7846841bdf0e8bfb8d0acb5ce237f39936
CISA directiveCanvas defacementClaude.aiGoogle AdsHugging FaceIvanti EPMMJDownloaderLinux Dirty FragNVIDIA GeForce NOWOpenAI impersonationOutlook propagation','trojanized-installer','PCPJack','Vidar StePython RATRansomHouseShinyHuntersTCLBankerTrellixWhatsApp propagationdata breachinfostealerlocal privilege escalationmac malwaremalvertisingsupply-chain compromisewormzero-day

What happened

Multiple active threats and breaches reported: attackers are abusing Google Ads and shared Claude.ai chats to distribute Mac malware; the JDownloader site was compromised to replace installers with malicious Windows and Linux installers (Windows payload: Python RAT); a malicious Hugging Face repo impersonating OpenAI pushed an infostealer to Windows users; NVIDIA confirmed a GeForce NOW user-data breach impacting Armenian users; Trellix source-code breach was claimed by RansomHouse; CISA ordered federal agencies to patch a high-severity Ivanti Endpoint Manager Mobile (EPMM) zero-day being used

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
bleepingcomputer
Record identifier
53924fff603c030f27fca1b79c2baa7846841bdf0e8bfb8d0acb5ce237f39936
Enrichment time
2026-05-11T01:23:30Z
AI-assisted enrichment
Yes

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