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Unsafe File Attachments

Ground Rule: If you do not need an attachment, do not click on it, or open it.

  • Email Worms are sent to your addresses by spoofing (or faking) the "From" address. This means that the email may look like it came from someone that you know. However, do not open the attachment even if this is from a known e-mail.
  • Below is a list of file types that should be considered suspicious when an unintended e-mail arrives:

 

ADE

 Microsoft Access Project Extension

ADP

 Microsoft Access Project

ASP

Application Service Provider

BAS

 Visual Basic Class Module

BAT

 Batch File

CHM

 Compiled HTML Help File

CMD

 Windows NT Command Script  / DOS Command File

COM

 MS-DOS Application

CPL

 Control Panel Extension

CRT

 Security Certificate

DLL

 Dynamic Link Library

DO*

 Word Documents and Templates

EXE

 Application / Executable File

HLP

 Windows Help File

HTA

 HTML Applications

INF

 Setup Information File

INS

 Internet Communication Settings

ISP

 Internet Communication Settings

JS

JScript File

JSE

 JScript Encoded Script File

LNK

 Shortcut

MDB

 Microsoft Access Application

MDE

 Microsoft Access MDE Database

MSC

 Microsoft Common Console Document

MSI

 Windows Installer Package

MSP

 Windows Installer Patch

MST

 Visual Test Source File

OCX

 ActiveX Objects

PCD

 Photo CD Image

PIF

 Program Information File
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