.UUE Malicious Email Attachments

.UUE Malicious Email Attachments

Online users, be aware ".UUE" virus attachments. Recipients of unexpected email messages with an attachment that has a name ending with ".UUE" are asked not attempt to open it. This is because the attachment is a compressed file that may contain malware, malicious programs or viruses. And, any attempt to open the malicious attachment will result in the recipients getting their computers infected with a virus, Trojan horse, spyware, ransomware or other malware.

A Malicious ".UUE" Email Message


Date: Sun 1/28/2018 4:47 PM

From: Apolar Máringa

Attachment: 70% payment copy .uue (227 KB)


Please find attached 70% deposit Bank TT payment Sale Contract no.2347583 Kindly check and Confirm the Beneficiary information and advice us delivery time.


Account Dept

Cybercriminals 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 .UUE file?

.UUE file extension is mostly used for sending documents via email safely, avoiding data corruption in the sending process. The extension was derived from Uuencode, a Unix program used for the encoding of files. UUE file format is native to Unix system and encoding and decoding of UUE files can be done easily with its embedded tools uuencode and uudecode. But, if you aim to use UUE files on Windows, you will need additional compression utility. Winzip is one of the best tool available for that purpose.

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Note: Some of the information in samples on this website may have been impersonated or spoofed.
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.UUE Malicious Email Attachments