Security researchers from Comodo have identified a new version of the notorious banking Trojan known as ZeuS. The variant analyzed by experts is signed with a valid digital certificate, which makes the threat more difficult to detect and remove. More than 200 of Comodos customers have been targeted with this threat. Cybercriminals are distributing the malware with the aid of spam emails, or via exploits planted on malicious or compromised websites. In the first phase of the attack, th…