If you own Synology's NAS devices , you might want to disconnect it.

This  advise is coming from the he vendor.

To avoid being affected by ransomware that uses strong encryption to lock files on the brand’s machines and demands US$350 for the decryption key.

The SynoLocker “service” asks for 0.6 Bitcoins to unlock the encrypted files, which at today’s exchange rate is around USD$350

The link below has more information:-

http://www.cso.com.au/article/551527/synolocker_demands_0_6_bitcoin_decrypt_synology_nas_devices/