PathFileExistsA

PathFileExistsA is used to determine whether a path to a file system object such as a file or folder is valid. This function is used by malware to enumerate files and installed programs (e.g. AV solutions).

Shlwapi.dll

Enumeration

https://docs.microsoft.com/en-us/windows/win32/api/shlwapi/nf-shlwapi-pathfileexistsa