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Zeus/Zbot Trojan is in its Activities Again

By Gina on July 15, 2010 | Computer Security, attack, hacker, Trojan, credit card, US banks, malware, fraud, MasterCard, Visa, Trusteer Zeus/Zbot Trojan is in its Activities Again

Security company Trusteer reports about a new attempt to commit a crime by attacking customers of 15 unnamed US banks. Trojan is reported to be abusing the Verified by Visa and MasterCard SecureCode verification systems.

Malware inserts its malicious intensions at the moment when user is registering for the first time by both major issuers, Mastercard and Visa. It provides convincing sign up screen by imitating legal registration window.   

This is very dangerous because malware gains to get important private data from user, including social security and card numbers, and PIN or card verification codes. This is done by hackers in a real time.  

An interesting thing is that, once this enrollment has been set up, only a password is asked for by the system when purchasing items online.

Trusteer CTO, Amit Klein claims: „While  some users may become suspicious when prompted to enter their credit/debit card information as part of the online banking login process, this attack uses the familiar Visa and MasterCard online fraud prevention programs to make the request appear legitimate.“

„Fortunately, online banking customers protected by Trusteer Rapport are not vulnerable to this attack since it blocks HTML injection and prevents Zeus from presenting the fraudulent enrollment request,“ he added.

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