冒充服务系统名发送病毒Email

巴黎先生

现公司里面出现许多收到系统来信的病毒Email<br>
register@Domain.com<br>
附件为：account-info.zip<br>Generic Malware.a!zip<br>
<br>
<br>
内容为：<br>
<br>
Dear Exceltl Member, <br>
<br>
Your e-mail account was used to send a huge amount of unsolicited spam messages during the recent week. If you could please take 5-10 minutes out of your online experience and confirm the attached document so you will not run into any future problems with the online service.<br>
<br>
If you choose to ignore our request, you leave us no choice but to cancel your membership.<br>
<br>
Virtually yours, <br>
The Domain Support Team <br>
<br>
有什么方法可已解决此问题或查到是那个用户冒充的， Exchange Server 5.5 客户段是Symantec AntiVirus Corporate Edition 8.1<br>

钉子

这是一个特洛伊病毒。好像McAfee 可以查到。