Apple made a rare update to the malware definitions in OS X earlier this week, a look at the software's XProtect.plist file shows. An entry has been added for "OSX.QHost.WB.A," a Trojan known to disguise itself as an installer for Flash Player. Should a person encounter and launch the installer, the Trojan will modify a person's hosts file to redirect certain Google websites to an IP in the Netherlands.
