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Coronavirus-themed campaign delivers a new variant of Netwalker Ransomware

2020-03-23 10:58

MalwareHunterTeam experts have identified a new Coronavirus phishing campaign that aims at delivering the Netwalker Ransomware.

The number of coronavirus-themed cyberattacks continues to increase, MalwareHunterTeam researchers uncovered a new campaign that is delivering the Netwalker Ransomware, aka Mailto.

The researchers have analyzed an attachment, named “CORONAVIRUS_COVID-19.vbs,” used in a new Coronavirus phishing campaign that was designed to deliver the Netwalker Ransomware.

“The new Netwalker phishing campaign is using an attachment named “CORONAVIRUS_COVID-19.vbs” that contains an embedded Netwalker Ransomware executable and obfuscated code to extract and launch it on the computer.” reported Bleeping Computer.

Netwalker was recently employed is several attacks against businesses and government agencies, including Toll Group and the Champaign Urbana Public Health District (CHUPD) (Illinois) attacks.

Upon the execution of the script, the executable is saved to %Temp%qeSw.exe and launched to start the encryption of the files.

The popular malware researcher Vitali Kremez who analyzed the ransomware revealed that this version of the ransomware was designed to avoid terminating the Fortinet endpoint protection client, likely to avoid detection.

The Netwalker ransomware drops a ransom note named [extension]-Readme.txt that provides the victims the instructions on how to pay the ransom via a Tor payment site.

Additional details are reported in the post published by BleepingComputer.

If you are interested in the recently discovered attacks, give a look at the timeline I have prepared:

Coronavirus-themed attacks March 15 – March 21, 2020

Pierluigi Paganini

(SecurityAffairs – coronavirus, ransomware)

The post Coronavirus-themed campaign delivers a new variant of Netwalker Ransomware appeared first on Security Affairs.


Source: lmth.surivanoroc-erawmosnar-reklawten/erawlam/462001/sserpdrow/oc.sriaffaytiruces

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