Some 13 percent of home networks in North America are infected with malware, a report says. That number is a one-percent decrease from the quarter that ended in June, Kindsight Security Labs says. Some 2.2 million home networks worldwide are infected by the ZeroAccess botnet, the report estimates. The company also reports a 165% increase in the number of Android malware samples in the past quarter. Despite the growth in spyware apps and malware, there have been no major malware outbreaks.”]