Batch scans of multiple suspicious files and tailored malware research for incident response: With the free tool vt-cli, VirusTotal follows your command.
If you need to use virtual machines on Linux, try Virt-Manager. Virt-Manager is more reliable than VirtualBox. Virt-Manager is completely free and open-source. I'm a long-time supporter of VirtualBox.
These Linux distros require no post-install effort. Each of these options is usable out of the box. You won't need to install software or tweak the desktop. Every ...