Malware makers are starting to take advantage of the number of users searching for cracks for the pirated copies of Vista floating around.
A new download has started circulating around the crack boards called "Windows Vista All Versions Activation 21.11.06". It purports to be an activation crack for any version of Vista. However, the file is actually a trojan-carrier which will install Trojan-PSW.Win32.LdPinch.aze onto your PC.
Read the entire article here, Windows Vista crack is actually a trojan | APC Magazine