Trojan downloader is latest example of how malware writers are using sophisticated techniques to protect their own trade secrets. Trojan essentially makes downloaded component files irrecoverable, so they cannot be isolated and analyzed. Microsoft managed to grab some components as they were being downloaded from a remote server. The Trojan’s two purposes was to infect executable files in removable drives and to unleash a password stealer to snatch credentials from email accounts, Windows Messenger/Live Messenger, Gmail Notifier, Google Desktop and Google Talk.”]