In the context of the files you are looking for, a "leecher" is typically marketed as a tool to scrape or "leech" lists of data (like proxy lists or account credentials) from the internet. However, "leecher" is also a common term in file-sharing:
Similar tools like "SLAYER Leecher" have been flagged for using anti-reverse engineering tricks, such as guarded memory regions, to avoid being analyzed by security researchers. What is a "Leecher"? B3RAP Leecher v0.4.1.rar
It is strongly recommended that you as multiple malware analysis platforms have flagged versions of this software as malicious . Risk Assessment In the context of the files you are
Independent security reports for various versions of B3RAP Leecher have identified the following threats: such as guarded memory regions