Claim

Winvir DISCOVERED_BY Mikko Hyppönen

Mikko says he and a coder named Ismo found what they determined was the first Windows virus and named it Winvir.

Episode
EP 74 — Mikko
Origin
Explicit
Confidence
96% (extractor score, not a fact score)
Speaker
Mikko Hyppönen
Attributed source
—

Transcript evidence

“me and Ismo, one of our coders at the time, spent a couple of days trying to figure out this sample.”

Mikko Hyppönen · offsets 50292–50392

“It turned out to be the very first Windows virus in history. Well, we named it.”

Mikko Hyppönen · offsets 50394–50474

Read the official transcript

Extraction provenance

Model gpt-5.6-luna · prompt 1.5.19 · schema 1.5.19 · 2026-09-13T06:38:12.265551+00:00

claim:ep074:9c140f4ebe5c