The email message below: "Mail – Lost / Missing package – UK Customs and Border Protection", has a virus attached to it. The email was not sent by Royal Mail, but by cybercriminals, whose aim is to infect thousands of computers with a malicious program called a Trojan horse. With this program, these criminals can steal your information and take control of your computer remotely, which they will use to commit cybercrimes that will be traced back to you.
The Malicious Email Message
Mail – Lost / Missing package – UK Customs and Border Protection
Royal Mail has detained your package for some reason (for example, lack of a proper invoice, bill of sale, or other documentation, a possible trademark violation, or if the package requires a formal entry) the RM International Mail Branch holding it will notify you of the reason for detention (in writing) and how you can get it released.
Please fulfil the documents attached.
The email message claims that a package was detained for some reason and you should complete the attached form in order to release it. The attached file is not a form, but a malicious computer program called a Trojan horse, disguised a PDF document.
The attachment is a Zip or compressed file with the name "RoyalMail_ID_D6646FD113.zip", and contains the malicious Trojan horse with the name "Royal-Mail_Report _03485734895374895637249 865238746532649573245.pdf.exe".
This Trojan horse is known as TR/Crypt.Xpack.32532, Trojan.DownLoader9.22851, Trojan.Win32.Inject (A), Trojan.Win32.Inject.gtgw, PWSZbot-FMU!4948180CFBA9, Trojan.Agent.ED or Troj/DwnLdr-LEX.
The Trojan horse will do the following if you open it:
- collect information from your computer
- change your firewall's policies and settings
- steal private information from local Internet browsers
- harvest usernames and passwords from local FTP client software
- install itself so it will automatically run when your computer starts up
- ake screenshots and send it back to the cybercriminals behind this malicious computer program
If you receive this email message, please delete it. Do not open the attachment, even if you have antivirus software installed on your computer.
If you have already opened the malicious attachment, please use your antivirus software to do a full scan of your computer.