Emotet Malware Has Infected 2.7M Computer Systems Since Last Year

More than 2.7 million cases involving Emotet malware, considered the world's most dangerous, have been detected globally since late last year, although its servers were earlier taken down in an international law enforcement operation, according to a US information security firm, Kyodo News reported.

Photo Insert: Cybersecurity experts suspect a group of hackers who were not caught in the global crackdown in January 2021 started distributing Emotet toward the end of last year.

Emotet, which infects computers after being sent through email attachments, has been spreading rapidly in recent months, with 90,000 cases confirmed in November and 1.07 million in January.

Over 1.25 million cases were detected in early February, Proofpoint Inc. said. Cybersecurity experts suspect a group of hackers who were not caught in the global crackdown in January 2021 started distributing Emotet toward the end of last year.

In Japan, more than 20 companies and organizations, including household products maker Lion Corp. and home builder Sekisui House Ltd., are believed to have been hit by the malware.

Other Japanese companies and organizations that have likely been hit by Emotet include Kracie Holdings Ltd., lingerie maker Wacoal Corp., Ricoh Leasing Co., and a swimming pool operator in Wakayama Prefecture, western Japan.

The experts warned that the malware, which first appeared in 2014, can steal sensitive information. It is often delivered through emails disguised as reply messages from clients and friends.

About 19 million cases of Emotet infections were detected globally in one month in 2018. Authorities in six European countries, as well as Canada and the United States, took down the main servers in January last year in an operation coordinated by Europol, and the malware was neutralized in April.

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