An email scam targeting Australia Post and e-Toll customers was picked up on 12 September.
The emails were being sent from AusPost Service Notification with a randomised subject line such as “AusPost Track - 123456789 -100-98765 Monday September”.
The type of malware was not been confirmed but was believed to be a ransomware.
The message asks customers to open the message in OneDrive and Google Docs then luring users to click on a malicious link to print a shipping label for tracking.
“Australia Post is aware that a fraudulent email is circulating targeting Australia Post and e-Toll customers,” Australia Post said in a statement.
“Please note that Australia Post will never email asking you to click on a link to print out a receipt/label for parcel collection/tracking nor will Australia Post ask you to send an email containing any personal or financial information, including any form of ID, passwords, credit card details and account information.”
The e-Toll scam emails are very similar and are sent from Road Service Notification with the following subject line: E-toll account statement - September 2017.
The Australia Government Stay Smart Online page has warned recipients receiving these messages to delete it immediately.
Only last week, Australia post warned customers about another fraudulent email circulating asking people to send information to an email address in order to pick up a parcel.