A Fake Email with a Malicious .ISO Attachment
Subject: New Quotation
Date: Mon 06/11/2017 02:08
Attachment: Invoice-75643.iso - 520 KB (Disc Image File)
With reference to your enquiry, please find attached our quotation.
We hope that our offer meets with your requirement and look forward to receiving your valued order confirmation.
If you require any further clarifications, please feel free to contact us on under signed.
With kind regards,
Cybercriminals have started storing their malware in ".ISO" files to help prevent antivirus software from detecting them. In other words, they do it because the archived malicious email attachments may bypass the recipients' antivirus software.
What is an .ISO file?
An ISO file or image, also called a Disc Image File, is an archive file of an optical disc, a type of disk image composed of data contents from a CD, DVD or Blu-ray Disc.