by the way, sigcheck.exe also is with same problem when try to Query VirusTotal.
[Bug Report]Check VirusTotal always fail when file path include chinese
I confirmed the bug by debugging sigcheck.exe，the request JSON sent to VT was malformed(truncated).
the first issue I saw: HTTP Content-Length was by SysStringLen("UNICODE JSON contains Chinese"),
second issue: WideCharToMultiByte didn't use CP_UTF8 to convert unicode json.
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