Respuesta :

That would be what is known as Spyware, a common form of this is known as a "Trojan Horse". This type of malware is typically latched on and hidden within files, such as when downloading a pirated version of a song, game, art-work, etc...
iAsk
This is called spyware, so I'd say it would be a Trojan Horse, since those can install without alerting anything really.