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Fake 7-Zip downloads are turning home PCs into proxy nodes

ID: afdb886e-a2c4-5140-856e-dad4b7c11502

STIX ID: report--afdb886e-a2c4-5140-856e-dad4b7c11502

Feed Name: Malwarebytes Blog

Threat Score
70/100

Date Published: 2026-02-09

Date Updated: 2026-04-28

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This report describes a long-running campaign that used a lookalike 7zip.com site to distribute a trojanized 7‑Zip installer which installs Uphero/hero proxyware, establishes SYSTEM-level Windows services, modifies firewall rules, and enrolls victims as residential proxy nodes for monetization; the analysis includes file and network IOCs, detection guidance, and attribution to community researchers.

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