More from yesterday's revelation that Snow Leopard is protecting Mac users against certain file types. Xprotect is the name of the plist file that Snow Leopard uses to look for malware. It can be found here:
/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/XProtect.plist
Currently there are two files that Snow Leopard is looking for. OSX.RPlug.A and OSX.iservice (described as a very low threat by Symantec) are trojans that can be attached as payloads on shady bittorrent installs like the iWork and