Because this is specialized utility software, it is often hosted on community forums and file-sharing sites.
GXDownloader Boot is a serial flashing tool designed for processors. Version V1.032 is widely regarded as a stable and "fixed" release specifically optimized for the GX6605S hardware, which is common in many budget and mid-range satellite set-top boxes. gxdownloader boot v1032 link
You can often find verified mirrors on sites like Top4toP , which has hosted the V1.032 RAR archive for several years. Because this is specialized utility software, it is