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Arc browser’s Windows launch targeted by Google ads malvertising

ID: 9aaed422-e8f1-5fe7-a278-39d69b7f4367

STIX ID: report--9aaed422-e8f1-5fe7-a278-39d69b7f4367

Feed Name: Bleeping Computer

Threat Score
70/100

Date Published: 2024-05-25

Date Updated: 2026-04-20

Author: Bill Toulas

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A reported malvertising campaign used promoted Google Search results and typosquatted pages to distribute trojanized Arc browser installers that silently drop additional payloads (bootstrap.exe, JRWeb.exe) retrieved from MEGA and external hosts; the chain includes PNG-based malicious code, msbuild injection via a Python executable, and abuse of MEGA's API for C2, with the final payload suspected to be an info-stealer.

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