Successful report: Lenovo S5 2nd Gen (20JAA009HH)

[dbpalan]

BIOS successfully extracted from BIOS Update Utility v1.13 dated 03.11.2017

$ ./vbiosfinder extract /tmp/r0muj09w.exe
output will be stored in '/usr/local/src/VBiosFinder-master/tmp-vbiosfinder'
checking for ruby... yes

trying to extract ./r0muj09w.exe
checking for innoextract... yes
found innoextract archive
Extracting "ThinkPad BIOS Update Utility" - setup data version 5.5.7

• "app/406E1.PAT" (79 KiB)
• "app/406E2.PAT" (84 KiB)
• "app/406E3.PAT" (89 KiB)
• "app/BCP.evs" (160 B)
• "app/BIOS_LOGO.TXT" (2.21 KiB)
• "app/bootx64.efi" (1.38 MiB)
• "app/chklogo.exe" (3.5 KiB)
• "app/chklogo.exe.config" (239 B)
• "app/DosFlash.exe" (465 KiB)
• "app/Instruction US - BIOS flash USB memory key.txt" (1.63 KiB)
• "app/mkusbkey.bat" (1.34 KiB)
• "app/SHELLFLASH.EFI" (22.8 KiB)
• "app/WinFlash32.exe" (411 KiB)
• "app/WinFlash32s.exe" (411 KiB)
• "app/WinFlash64.exe" (397 KiB)
• "app/WinFlash64s.exe" (397 KiB)
• "app/wininfo.exe" (80.5 KiB)
• "app/wininfo64.exe" (89 KiB)
• "app/winuptp.exe" (3.31 MiB)
• "app/winuptp64.exe" (4.66 MiB)
• "app/32bit/tpnflhlp.sys" (25.8 KiB)
• "app/64bit/tpnflhlp.sys" (25.8 KiB)
• "app/R0MET36W/$0AR0M00.FL1" (6.97 MiB)
  Done
  ...
  trying to extract ./app/R0MET36W/$0AR0M00.FL1
  checking for innoextract... yes
  not extractable with innoextract
  checking for upx... yes
  not extractable with upx
  checking for 7z... yes
  not extractable with 7z
  checking for UEFIDump... yes
  parseVolumeHeader: unaligned volume
  parseVolumeHeader: unaligned volume
  parseVolumeHeader: unaligned volume
  parseVolumeHeader: unaligned volume
  parseVolumeHeader: unaligned volume
  parseVolumeHeader: unaligned volume
  parseVolumeHeader: unaligned volume
  parseVolumeHeader: unaligned volume
  parsePadFileBody: non-UEFI data found in pad-file
  found UEFI image
  extracted. filtering modules...
  got 4266 modules
  finding vbios
  4 possible candidates
  checking for rom-parser... yes
  Found VBIOS for device 10de:1c8c!
  Found VBIOS for device 8086:0406!
  Found VBIOS for device 10de:139b!
  Found VBIOS for device 10de:1c8e!
  Job done. Extracted files can be found in /usr/local/src/VBiosFinder-master/tmp-vbiosfinder/../output
  Cleaning up garbage

VBIOS files extracted for further verification

OS: Debian Stretch
ID of the onboard GeForce 1050 Ti is 10de:1c8c
Official Packages: build-essential cmake ruby innoextract upx-ucl
Self build: rom-parser, UEFIDump (move to /usr/local/bin after built)

Workaround for cannot open output file UEFIDump: Is a directory when building UEFIDump

[coderobe]

The VBIOS files appear to be valid.
Thanks for your report! I'll add your device to the list of tested devices in the README.