Legitimate software rarely includes "Downloader" in the actual filename of a disk image ( .dmg ). This usually indicates a stub installer that, once opened, downloads and installs additional (often malicious) payloads.
Based on security database patterns for similar filenames, this file is likely associated with:
Move the .dmg file to the Trash and empty it. spring blossom 2020 - Downloader.dmg
Hidden background processes that track your browsing habits.
This is a macOS disk image. If you are on a Windows or Android device, this file cannot run, but its presence suggests a targeted attempt at Mac systems. Associated Risks Hidden background processes that track your browsing habits
Programs like Adload or Shlayer that hijack your browser settings, change your search engine, and inject pop-up ads.
These files often use social engineering to convince you to bypass macOS security settings (right-clicking to "Open" despite "unidentified developer" warnings). Recommended Actions Associated Risks Programs like Adload or Shlayer that
Inspect your browser (Safari/Chrome/Firefox) for any extensions you don't recognize and remove them.