Pirated copies of Windows 7 Release Candidate (RC) on file-sharing sites contain malware, according to users who have downloaded the upgrade.

Windows 7 RC, which Microsoft Corp. will officialy launch tomorrow, leaked two weeks ago, with copies first appearing on BitTorrent tracking sites on April 24.

Some of the pirated builds include a Trojan horse, numerous users said in message forums and in comments on BitTorrent sites such as Mininova.org.
(more…)