Music-related software "cracks" are known targets for specialized malware like ThiefQuest , which can encrypt your entire OS and scan for stored passwords.
To avoid compromising your system, it is recommended to use official and verified sources: Archivo de Descarga SynthesiaPortable.rar
Third-party analysis of similar "Synthesia.rar" files has shown suspicious activity, including the dropping of unauthorized executable files (e.g., Synthesia.9.x-patch.exe ) that can modify system directories. Archivo de Descarga SynthesiaPortable.rar
New security, privacy, and product policy updates ... - Synthesia Archivo de Descarga SynthesiaPortable.rar