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Developer Ardiri Releases 1.5GB Palm OS Archive, Finds 25-Year-Old Virus Source Code

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GoKawiil Brief

Longtime Palm OS developer ardiri has published roughly 1.5GB of historical Palm OS development materials, including SDKs, conference talks, documentation and sample code, on GitHub for preservation and research purposes. While sorting old backups, he also rediscovered source code for 'Virii,' a self-replicating Palm OS virus he wrote and tested in June 2001, which infected applications via infrared beaming and included a date-triggered payload meant to disrupt system clocks in late October 2001.

Why It Matters

GoKawiil's interpretation of the reporting above, not reported fact.

The archive could give retrocomputing enthusiasts and researchers rare access to tools used to build early handheld software, potentially aiding emulation and preservation efforts for a platform with few surviving public resources. The rediscovered virus offers a documented example of early mobile malware proof-of-concept, which security historians may find useful for understanding pre-smartphone threat research, though it was reportedly never released into the wild.

Key Takeaways

Source: mobile.slashdot.org — Posted, 2026-10-18

Published there as: “Releasing Palm OS Archive, Developer Rediscovers Working Virus After 25 Years”

Read the original report → The summary and analysis above are GoKawiil's own, written from reporting by the source above. Facts and quotes belong to the original publisher.