In recent years, the computer virus "Emotet", which has been raging all over the world, has resumed its activities in Japan this month after a period of hiatus since mid-July. is calling

Emotet, a computer virus, is infected by opening an attached file in an e-mail sent by someone pretending to be an acquaintance, stealing the contents of contacts and e-mails on the terminal and quoting documents exchanged in the past. It is characterized by sending emails to other people and spreading.



In the past few years, it has been raging all over the world, and in Japan, after the infection peaked in spring this year, it was not observed from mid-July and was thought to have entered a dormant period.



According to the information security specialist "JPCERT Coordination Center", on the 2nd of this month, the distribution of emails that tried to infect Emotet was observed for the first time in about three months.



As a new trick, it has been confirmed that an Excel attachment file is sent by email and urged to copy it to a specific folder.



JPCERT calls attention to such matters as not opening attachments or URLs carelessly, and confirming directly with the sender, even if the email is from an acquaintance or business partner.



Ken Sajo of the JPCERT Coordination Center said, "Emotet has the property of inviting other viruses, and it may lead to ransomware damage such as demanding ransom. I want you to do it," he said.