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Do Not Open Unexpected Email Attachments From Known or Unknown Sources

2017-11-10T09:57:16  +
Do Not Open Unexpected Email Attachments From Known or Unknown Sources

Do not open unexpected email attachments from known or unknown sources. A malicious e-mail attachment is one of the oldest, most effective, and easiest methods of infecting a computer. Always check the file extension of an e-mail attachment, because cyber-criminals can disguise a malicious attachment as a Microsoft Word document, PDF document, or other legitimate documents. Attachments ending with ".zip" or ".rar" are compressed files that should not be open if the sender is unknown to you, or you were not expecting the email message.

Please continue reading below.

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Here are the extensions of some e-mail attachments that you should never open regardless of where they came from, even if you were expecting them or not:

Extension --- Description

  • .JAR -- Java archive
  • .SCR -- Windows Screen Saver
  • .BAT -- Batch File Windows
  • .CMD -- Command Script Windows
  • .COM -- Command File Windows
  • .COMMAND -- Terminal Command Mac OS
  • .CSH -- C Shell Script Mac OS, Linux
  • .EXE -- Executable Windows
  • .JSE -- JScript Encoded File Windows
  • .KSH -- Unix Korn Shell Script Linux
  • .LNK -- File Shortcut Windows
  • .MSC -- Microsoft Common Console Document Windows
  • .MSI -- Windows Installer Package Windows
  • .MSP -- Windows Installer Patch Windows
  • .MST -- Windows Installer Setup Transform File Windows
  • .OSX -- Executable Mac OS
  • .OUT -- Executable Linux
  • .PIF -- Program Information File Windows
  • .PS1 -- Windows PowerShell Cmdlet Windows
  • .REG -- Registry Data File Windows
  • .RGS -- Registry Script Windows
  • .RUN -- Executable Linux
  • .SHB -- Windows Document Shortcut Windows
  • .SHS -- Shell Scrap Object Windows
  • .VB -- VBScript File Windows
  • .VBE -- VBScript Encoded Script Windows
  • .VBS -- VBScript File Windows
  • .VBSCRIPT -- Visual Basic Script Windows
  • .WS -- Windows Script Windows
  • .WSF -- Windows Script Windows

Please continue reading below.

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Please share with us what you know or ask a question about this article by leaving a comment below. Also, check the comment section below for additional information, if there is any.

Remember to forward suspicious, malicious, or phishing email messages to us at the following email address: info@onlinethreatalerts.com

Also, report scams, untrustworthy, or fraudulent websites to us. Tell us why you consider the websites untrustworthy or fraudulent.

If you want to quickly find answers to your questions, use our search engine.

Comments, Questions and Reviews ✍
(Total: 3)

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  • Posted: 2016-09-05T08:39:28 by info

    Here is an email with a malicious attachment:

    "From: Octavio Scott
    Subject: Credit card receipt
    Date: Mon 9/05/16 7:29 AM
    Attachment: 3935a0377f9d.zip (11.3 KB)

    Dear info,

    We are sending you the credit card receipt from yesterday. Please match the card number and amount.


    Sincerely yours,
    Octavio Scott
    Account manager"

    delete


  • Posted: 2016-07-05T19:48:24 by info

    Look out for the following malicious email message:

    Subject: Scanned image
    Attachment: 05-07-2016_746086513.docm

    Image data has been attached to this email.

    delete


  • Posted: 2016-06-27T11:14:52 by info

    Here is another fake email message attempting to trick the recipients into open the malicious zip file:

    From: Pat Welch (Welch.5462@thegarage .co)
    Sent: Mon 6/27/16 9:01 AM
    Attachments: info_scanned_doc_971663.zip (8.3 KB)

    Dear info,

    The document you requested is attached.

    Best regards

    Pat Welch
    Key Account Manager

    delete