Symantec has described a new variant that hit five major banks in Japan, attackers used Blackhole exploit kit to compromise victims and install Zeus malware. The malware is used to steal banking credentials, the attackers used a classic phishing schemes to spread the link to compromised web site. In October 28, 2009 over 1.5 million phishing messages were sent on Facebook with the purpose of spreading the Zeus Trojan. Zeus is typically delivered through exploit kits, for this reason it is fundamental to keep defense systems and any other installed software updated.”]
Source: http://securityaffairs.co/wordpress/12410/malware/zeus-hit-five-major-banks-in-japan.html