At the time of its release, Project Neptune was considered potent because of its user-friendly interface and "builder" system. A user didn't need to know how to code; they simply configured the options they wanted and the software spat out an executable (the "stub") to be sent to a victim.

While modern antivirus software treats this as a legacy threat, understanding its history provides a fascinating look into how malware evolved from simple pranks into sophisticated data-theft tools. What was Project Neptune?

v1.78 typically used SMTP (email) or FTP to send the logs back to the attacker. The "AlgErioN" version was often pre-configured or optimized for these delivery methods.

It was designed to hide its process from the Windows Task Manager and ensure it restarted every time the computer booted up.