Fgtvm64kvmv747mbuild2731fortinetoutkvmqcow2 -

fgtvm64kvmv747mbuild2731fortinetoutkvmqcow2

So you are likely referring to FortiGate VM for KVM (QCOW2) version 7.4.7 build 2731. fgtvm64kvmv747mbuild2731fortinetoutkvmqcow2

virt-install \
  --name fortigate-747 \
  --ram 4096 \
  --vcpus 2 \
  --disk path=/path/to/fgtvm64kvmv747mbuild2731fortinetoutkvmqcow2,format=qcow2 \
  --import \
  --network bridge=br0 \
  --graphics vnc \
  --os-variant generic

However, I can attempt to decode or interpret this string based on common patterns or known formats in technology and computing. So you are likely referring to FortiGate VM