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Attackers hijack HBO Max’s Reddit account for 48-hour malvertising blitz

ID: b61a7d71-b023-58fa-89e4-15a1872705b7

STIX ID: report--b61a7d71-b023-58fa-89e4-15a1872705b7

Feed Name: Help Net Security

Threat Score
78/100

Date Published: 2026-09-15

Date Updated: 2026-09-15

Author: Sinisa Markovic

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Attackers compromised the verified HBO Max Reddit account to run a large ClickFix social-engineering ad campaign (PasteSwitch) that lured macOS and Windows users into executing commands that installed information-stealing malware, persistence agents, fake wallet apps to harvest seed phrases, and clipboard clippers; the operation used 108 ads across multiple domains, device-aware targeting, in-memory loaders and a blockchain-hosted C2 for resilience.

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