Security News > 2023 > February > The Week in Ransomware - February 3rd 2023 - Ending with a mess
While the week started slowly, it turned into a big ransomware mess, with attacks striking a big blow at businesses running VMware ESXi servers.
The attacks started Friday morning, with threat actors targeting unpatched VMware ESXi servers with a new ransomware variant dubbed ESXiArgs.
Microsoft revealed today that its security teams are tracking more than 100 ransomware gangs and over 50 unique ransomware families that were actively used until the end of last year.
The LockBit ransomware gang has again started using encryptors based on other operations, this time switching to one based on the leaked source code for the Conti ransomware.
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Admins, hosting providers, and the French Computer Emergency Response Team warn that attackers actively target VMware ESXi servers unpatched against a two-year-old remote code execution vulnerability to deploy ransomware.