HealthcareCISO

Avaddon ransomware group, one of the most prolific ransomware groups in 2021, has announced that they are shutting the operation down and giving thousands of victims a decryption tool for free.

BleepingComputer's Lawrence Abrams said he was sent an anonymous email with a password and link to a ZIP file named, "Decryption Keys Ransomware Avaddon."

The file had decryption keys for 2,934 victims of the Avaddon ransomware. The startling figure is another example of how many organizations never disclose attacks, as some reports have previously attributed just 88 attacks to Avaddon.

Abrams worked...