A mass e-mail being circulated by hackers purporting to be a Microsoft Windows update alert directs computer users to a fake website where a Trojan virus is installed, security experts said.

• 骇客正广为寄送电子邮件，宣称这是一封微软视窗作业系统的程式更新提醒，实际上却引领电脑用户前往隐藏特洛伊病毒的假网页，安全专家说。