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HollowsHunter vs PE-sieve: catalog facts
HollowsHunter	PE-sieve
Free Free to download from the public GitHub repository.	Free Free and open source.
Windows, Command line	Windows, Command line
Scans all running processes in one pass Detects hollowing, shellcode, hooks and in-memory patches	Detects process hollowing, injected PEs, shellcode and hooks Dumps suspicious code for later analysis
Windows only Command-line tool that expects some malware analysis knowledge	Windows only Output assumes familiarity with malware analysis
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: BSD-2-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.