XServer (Malware Family) By Fraunhofer FKIE Archived: 2026-04-06 03:11:23 UTC win.xserver (Back to overview) XServer aka: Filesnfer Actor(s): UPS, Violin Panda There is no description at this point. References 2019-12-19 ⋅ Fox-IT ⋅ Erik Schamper, Maarten van Dantzig Operation Wocao: Shining a light on one of China’s hidden hacking groups XServer 2019-05-07 ⋅ One Night in Norfolk ⋅ Kevin Perlow “Filesnfer” Tool (C#, Python) XServer There is no Yara-Signature yet. Source: https://malpedia.caad.fkie.fraunhofer.de/details/win.xserver https://malpedia.caad.fkie.fraunhofer.de/details/win.xserver Page 1 of 1