A license violator can download the antivirus database from the Kaspersky Lab site and copy them into folder where the antivirus database are saved, but Kaspersky PURE 2.0 will not use them! All antivirus databases have unique signature and it is checked by Kaspersky PURE when updating. Kaspersky PURE 2.0will not use the databases if:
the signature does not correspond to the signature given in Kaspersky Lab;
your license has already expired and the antivirus database is released after your license expire date.