Trojan.Spammer.HotLan.A: Critical Threat to Email Security

"A automatically creates email accounts, which it suggested meant that hackers have found a means of bypassing the captcha systems, where new accounts aren't created until the creator correctly rekeys letters within an image." This hack is no little one, the Trojan make 500 new accounts every hour. Can the email providers do anything to prevent these types of Trojans? Bypassing the captcha system should definitely help spammers. Can this trojan bypass all captcha systems if so, what can be done to prevent this?

Spammers appear to have evaded security built into Hotmail and Yahoo email accounts and have used accounts to send out spam.

According to research from Romanian anti-virus company BitDefender, a new trojan called Trojan.Spammer.HotLan.A automatically creates email accounts, which it suggested meant that hackers have found a means of bypassing the captcha systems, where new accounts aren't created until the creator correctly rekeys letters within an image.

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