HD-ADB.EXE is not digitally signed.
HD-ADB.EXE is located in the %PROGRAM FILES%\BLUESTACKS\HD-ADB.EXE.
File Size: 1011200
SHA256 Hash: 8A8F6BB272EF39DCEC6AE93CCCA2CC339C0C8DE9FDFDFA6CA8AA1378813C7903
VirusTotal Information
File HD-ADB.EXE has no digital signature.