It sits there, consuming a modest 12–40 MB of RAM. No icon. No digital signature you recognize. The name sounds official: "FWDL Manager." Firewall Download Manager? Firmware Download Manager? The ambiguity is a breeding ground for suspicion.
The file is a legitimate component of the Xerox Firmware Download Utility . It is used to manage and install software updates (firmware) on various Xerox printers and multifunction devices, such as the Phaser and VersaLink series. Key Functions fwdlmgr.exe