It outputs a .pwdump file containing the username, RID, and the LM/NTLM hashes. Better Alternatives for Security Auditing
If you must use it for lab testing on legacy systems, ensure you are downloading it from a reputable source like the Openwall Project and running it in an isolated sandbox. fgdump.exe download
Because fgdump.exe is a hacking tool, many sites hosting it are unverified. It is common for these executables to be bundled with actual malware, such as trojans or ransomware. It outputs a
is a legacy password-cracking utility designed for Windows environments. Developed as an improvement over the older pwdump6 tool, its primary function is to extract (or "dump") LanMan (LM) and NTLM password hashes from the Windows Security Accounts Manager (SAM) database or the Active Directory (AD). It is common for these executables to be
For modern systems, . Using fgdump.exe today is like using a flip phone in the age of smartphones—it might still "work" in very specific, old environments, but it lacks the features and stealth required for contemporary security work. Furthermore, downloading it from random "DLL download" sites is a major security risk to your own machine.
The tool was last updated years ago. It struggles with modern Windows security features like LSASS protection , Credential Guard , and newer versions of the NTLM protocol. How fgdump Works (Technical Overview)