Noodle Hackerspace
Disclaimer
We do not take responsibility for any damage, or legal issues, done with these files here at AT Products LLC, Ethical Hacking Society, The Script Community, CodingHome, or Noodle Hackerspace.
Use a virtual machine if it's a computer virus, and never open them on your physical machine. As a pre-caution, download them on your VM.
If it's a APK file, use a APK Emulator.
More information on Virtual Machines (VM)
More information on APK Emulators