PyInstaller malware family

PyInstaller is a malware family tracked by MalwareAnalyzer by Cyble across 26 publicly analyzed samples. First seen 2026-07-28, most recently 2026-07-29. Observed ATT&CK techniques include T1071.001, T1112.

Corpus statistics

ATT&CK techniques used by PyInstaller

Recent PyInstaller samples

Frequently asked about PyInstaller

What is PyInstaller?
PyInstaller is a malware family tracked by MalwareAnalyzer by Cyble across 26 publicly analyzed samples. First seen 2026-07-28, most recently 2026-07-29. Observed ATT&CK techniques include T1071.001, T1112.
How many PyInstaller samples have been analyzed?
MalwareAnalyzer by Cyble holds 26 publicly analyzed samples attributed to PyInstaller, first seen 2026-07-28 and most recently 2026-07-29. This counts public submissions to this platform only, so it is a measure of what we have seen rather than of the family's total prevalence.
What MITRE ATT&CK techniques does PyInstaller use?
Across our PyInstaller samples the most frequently observed techniques are T1071.001 (26), T1112 (17). Counts are the number of analyzed samples in which each technique was observed.
What file types does PyInstaller use?
PyInstaller samples in this corpus are distributed as pe (26).
Is PyInstaller malicious?
22 of 26 analyzed PyInstaller samples were scored malicious by the fused verdict, which combines multi-engine static scanning, YARA and hash reputation with behavior captured during real sandbox detonation. Each report lists every signal that contributed to its score.

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