S 1436, State of California, signed into law September 28, 2004. Excerpt:
It is the intent of the Legislature that this act protect California consumers from the use of spyware and malware that is deceptively or surreptitiously installed on their computers. Because the threats posed by these practices change over time, it is the intent of the Legislature to revise the provisions in this act as needed to fully protect consumers from additional unfair and deceptive practices and to address future innovations in computer technology and practices.
Reported on JURIST's Paper Chase here.