Trojan-Spy.Win32.Agent.cka is not a real trojan: it is a fake threat displayed by the rogue anti-spyware Centod Anti-Spyware 2008 (a clone of Zynaps) in it’s falsified security scan reports. This is done in order to mislead the user into thinking he is infected, in hopes of getting him to buy the corrupt spyware remover’s fake ... (via)