Virus found in the message

[AntiVirus-System at ncst.ernet.in]

#Scanner: MailMonitor for SMTP v1.2.2 

Problem description:
Email data:
MessageID: <200412241322.iBODM1B19773 at mta.ncst.ernet.in>
From: questions at freebsd.org
To: vidyakash2002 at ncst.ernet.in
Cc: 
Subject: Hello
Scanning part []

Scanning part [Textfile.zip]
Attachment validity check: passed.
Virus identity found: W32/Netsky-AE
Virus identity found: W32/Netsky-AE

Virus identity found: W32/Netsky-AE
Virus identity found: W32/Netsky-AE