It also reports the same thing for an dll file of the same name in the Wallpaper Engine program.
Malwarebytes
www.malwarebytes.com
-Log Details-
Scan Date: 9/10/18
Scan Time: 7:50 PM
Log File: 4af007b0-b554-11e8-aa44-4ccc6a2f7f54.json
-Software Information-
Version: 3.5.1.2522
Components Version: 1.0.441
Update Package Version: 1.0.6755
License: Premium
-System Information-
OS: Windows 10 (Build 17134.228)
CPU: x64
File System: NTFS
User:
-Scan Summary-
Scan Type: Custom Scan
Scan Initiated By: Manual
Result: Completed
Objects Scanned: 849674
Threats Detected: 2
Threats Quarantined: 2
Time Elapsed: 2 hr, 43 min, 7 sec
-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Enabled
Heuristics: Enabled
PUP: Detect
PUM: Detect
-Scan Details-
Process: 0
(No malicious items detected)
Module: 0
(No malicious items detected)
Registry Key: 0
(No malicious items detected)
Registry Value: 0
(No malicious items detected)
Registry Data: 0
(No malicious items detected)
Data Stream: 0
(No malicious items detected)
Folder: 0
(No malicious items detected)
File: 2
Trojan.MalPack, C:\PROGRAM FILES (X86)\STEAM\STEAMAPPS\COMMON\WALLPAPER_ENGINE\BIN\LIBEGL.DLL, Delete-on-Reboot, [4158], [564043],1.0.6755
Trojan.MalPack, C:\PROGRAM FILES (X86)\STEAM\STEAMAPPS\COMMON\WALLPAPER_ENGINE\DISTRIBUTION\BIN\LIBEGL.DLL, Delete-on-Reboot, [4158], [564043],1.0.6755
Physical Sector: 0
(No malicious items detected)
WMI: 0
(No malicious items detected)
(end)