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StorageCrypt Ransomware Targets NAS Devices via SambaCry Exploit

A new ransomware family is using the SambaCry vulnerability that was patched in May to infect network-attached storage (NAS) devices, researchers have discovered.

Dubbed StorageCrypt, the ransomware demands between 0.4 and 2 Bitcoins ($5,000 to $25,000) from its victims for decrypting the affected files.

To infect NAS devices, StorageCrypt abuses the Linux Samba vulnerability known as SambaCry and tracked as CVE-2017-7494. Affecting devices from major vendors, the bug allows remote attackers to execute arbitrary code on targeted systems by uploading a shared library to a writable share, and then causing the server to load that library.

The first attempt to abuse the vulnerability resulted in targeted systems being infected with a cryptocurrency miner. During summer, a piece of malware dubbed SHELLBIND started abusing the flaw to infect NAS devices.

StorageCrypt leverages the SambaCry in the same manner as SHELLBIND did, BleepingComputer’s Lawrence Abrams reveals. The attack...(continued)

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