digraph {
concentrate=true;overlap=scale;"ransomware=Zlader" [label="ransomware\nZlader",shape=box,style=filled,color=deepskyblue];"ransomware=Zlader" -> "ransomware=VaultCrypt" [label="similar",dir="both"];"ransomware=VaultCrypt" [label="ransomware\nVaultCrypt",shape=box,style=filled,color=deepskyblue];}