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Fake ChatGPT download site infects Windows and Mac users with malware

ID: c741f94e-8c01-5d7d-8b71-8031476cd8cc

STIX ID: report--c741f94e-8c01-5d7d-8b71-8031476cd8cc

Feed Name: Security Boulevard

Threat Score
75/100

Date Published: 2026-05-28

Date Updated: 2026-05-28

Author: Malwarebytes

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A fake ChatGPT download site (openew.app) is distributing two separate payloads: a Windows credential-stealing loader (Chat_GPT.exe) built from commodity components and a macOS Atomic Stealer (AMOS) that harvests passwords, cookies, crypto wallets, and can replace legitimate Ledger/Trezor apps to facilitate theft; the report includes technical analysis, IOCs (SHA-256 hashes, domains, IPs), and recommended remediation steps.

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