Online users who have received unexpected email messages with attached files with names ending with .cab are asked not to open them. This is because the attachments are compressed files that may contain malware, malicious programs or viruses. And, any attempt to open the malicious attachments will result in the recipients getting their computers infected with a virus, Trojan horse, spyware, ransomware or other malware.
A Malicious .CAB Email Message
P.O. FOR 1 D-M MDC
Tue 6/18/2019 5:49 PM
From: Dinesh Padave | ARCPL - dinesh.p@amiriddhient.com
Attachment: PO- FOR 1 D-M MDC-PDF.cab (936 KB)
Dear sir,
PFA P.O. for 1 D-M MDC & email us invoice for the same soonest
Best Regards,
Dinesh Padave
Sr. General Manager - Logistics
Description: Description: Description: logos 2 & Description: Description: Description: bhavik chem 2
Admin & Correspondence Address:-
Office No. 16, 2nd Floor, Building B-1, Laxmi Nivas CHS Ltd, Pai Nagar, S.V. Road,
Borivali (West), Mumbai – 400092.
Boardline: 022-46123000
Direct: 022-46123014/15
Fax: 022-46123012
Email ID: dinesh.p@amiriddhient.com / info@amiriddhient.com
Cyber criminals usually store their malware in compressed files to help prevent antivirus software from detecting them. In other words, they do it because the compressed malicious email attachments may bypass the recipients' antivirus software.
What is a .CAB file?
Cabinet is an archive-file format for Microsoft Windows that supports lossless data compression and embedded digital certificates used for maintaining archive integrity. Cabinet files have .cab filename extensions and are recognized by their first 4 bytes MSCF. Cabinet files were known originally as Diamond files