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
These files often use social engineering to convince you to bypass macOS security settings (right-clicking to "Open" despite "unidentified developer" warnings). Recommended Actions
Based on security database patterns for similar filenames, this file is likely associated with:
If you have already opened the file, run a scan with a reputable tool like Malwarebytes for Mac to check for lingering LaunchAgents or browser extensions.
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.
If you have downloaded this file, do not double-click it or mount the disk image.
"Spring Blossom 2020" is designed to look like a screensaver, wallpaper pack, or harmless utility.
Programs like Adload or Shlayer that hijack your browser settings, change your search engine, and inject pop-up ads.