Function at 0x4e7d90
Capabilities:
Check if file exists
Delete file
Extract resource via kernel32 functions
Get common file path
Set current directory

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4fb88e
mov eax, dword fs:[0]
push eax
push ecx
sub esp, 0xb8
push ebx
push esi
push edi
mov eax, dword [0x544af0]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov dword [ebp - 4], 0
push ecx
mov eax, esp
mov dword [ebp - 0x50], esp
lea ecx, [ebp + 8]
push ecx
push 0x511014
push eax
call fcn.00404b90
add esp, 0xc
mov dword [ebp - 0xa4], eax
mov ecx, 0x549cf8
call fcn.004eb140
call fcn.004041b0
mov dword [ebp - 0x20], eax
push 1
lea edx, [ebp - 0x58]
push edx
lea ecx, [ebp + 8]
call fcn.004049d0
mov dword [ebp - 0xa8], eax
mov eax, dword [ebp - 0xa8]
mov dword [ebp - 0xac], eax
mov byte [ebp - 4], 1
push 0x51102c
mov ecx, dword [ebp - 0xac]
push ecx
call fcn.00408c70
add esp, 8
mov byte [ebp - 0x51], al
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x58]
call fcn.004079a0
movzx edx, byte [ebp - 0x51]
test edx, edx
je 0x4e7e52
push 0x511030
lea ecx, [ebp + 8]
call fcn.004045f0
lea ecx, [ebp + 8]
call sym.QiyiInstaller.exe_public:_enum_eScriptType___thiscall_CScriptModule::Type_void_
push eax
call fcn.004d72a0
mov eax, dword [0x549f7c]
mov dword [ebp - 0x1c], eax
mov ecx, 0x549f78
call sym.QiyiInstaller.exe_public:_enum_eScriptType___thiscall_CScriptModule::Type_void_
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4e7e91
mov ecx, 0x549f78
call sym.QiyiInstaller.exe_public:_enum_eScriptType___thiscall_CScriptModule::Type_void_
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov dword [ebp - 0x1c], eax
push 0x511034
push 0x384
mov ecx, dword [ebp - 0x1c]
push ecx
call dword [sym.imp.KERNEL32.dll_FindResourceW]
mov dword [ebp - 0x24], eax
cmp dword [ebp - 0x24], 0
jne 0x4e7ecf
mov dword [ebp - 0x68], str._Out__DATA_resource_not_found_in_current_executable
lea edx, [ebp - 0x68]
push edx
lea ecx, [ebp - 0x64]
call fcn.004b645c
push 0x525d14
lea eax, [ebp - 0x64]
push eax
call fcn.004bbab3
cmp dword [ebp - 0x24], 0
je 0x4e8186
mov ecx, dword [ebp - 0x24]
push ecx
mov edx, dword [ebp - 0x1c]
push edx
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov dword [ebp - 0x2c], eax
cmp dword [ebp - 0x2c], 0
je 0x4e8144
mov eax, dword [ebp - 0x2c]
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
mov dword [ebp - 0x44], eax
mov ecx, dword [ebp - 0x24]
push ecx
mov edx, dword [ebp - 0x1c]
push edx
call dword [sym.imp.KERNEL32.dll_SizeofResource]
mov dword [ebp - 0x30], eax
lea ecx, [ebp - 0x40]
call fcn.00498ef6
mov byte [ebp - 4], 2
push 0x511078
lea eax, [ebp + 8]
push eax
lea ecx, [ebp - 0x70]
push ecx
call fcn.00404ae0
add esp, 0xc
mov dword [ebp - 0xb0], eax
mov edx, dword [ebp - 0xb0]
mov dword [ebp - 0xb4], edx
mov byte [ebp - 4], 3
push 0
push 0x1002
mov ecx, dword [ebp - 0xb4]
call sym.QiyiInstaller.exe_public:_enum_eScriptType___thiscall_CScriptModule::Type_void_
push eax
lea ecx, [ebp - 0x40]
call fcn.0049937f
mov dword [ebp - 0x6c], eax
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x70]
call fcn.004079a0
cmp dword [ebp - 0x6c], 0
je 0x4e8117
mov eax, dword [ebp - 0x30]
push eax
mov ecx, dword [ebp - 0x44]
push ecx
lea ecx, [ebp - 0x40]
call fcn.00498c2c
lea ecx, [ebp - 0x40]
call fcn.00498d18
lea ecx, [ebp - 0x40]
call fcn.00498e90
lea ecx, [ebp - 0x48]
call fcn.004032e0
mov byte [ebp - 4], 4
push 0x104
lea ecx, [ebp - 0x48]
call fcn.00403a50
push eax
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
push 0xffffffffffffffff
lea ecx, [ebp - 0x48]
call fcn.00406880
lea ecx, [ebp + 8]
call sym.QiyiInstaller.exe_public:_enum_eScriptType___thiscall_CScriptModule::Type_void_
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
mov byte [ebp - 4], 5
push ecx
mov ecx, esp
mov dword [ebp - 0x74], esp
lea edx, [ebp + 8]
push edx
call fcn.00402580
mov dword [ebp - 0xb8], eax
mov eax, dword [ebp - 0xb8]
mov dword [ebp - 0xbc], eax
mov byte [ebp - 4], 6
push ecx
mov ecx, esp
mov dword [ebp - 0x78], esp
push 0x511088
lea edx, [ebp + 8]
push edx
push ecx
call fcn.00404ae0
add esp, 0xc
mov dword [ebp - 0xc0], eax
mov byte [ebp - 4], 5
call fcn.004e29b0
add esp, 8
jmp 0x4e80ba
mov dword [ebp - 4], 4
push str.data.7z
lea edx, [ebp + 8]
push edx
lea eax, [ebp - 0x90]
push eax
call fcn.00404ae0
add esp, 0xc
mov dword [ebp - 0xc8], eax
mov ecx, dword [ebp - 0xc8]
call sym.QiyiInstaller.exe_public:_enum_eScriptType___thiscall_CScriptModule::Type_void_
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
lea ecx, [ebp - 0x90]
call fcn.004079a0
lea ecx, [ebp - 0x48]
call sym.QiyiInstaller.exe_public:_enum_eScriptType___thiscall_CScriptModule::Type_void_
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x48]
call fcn.004079a0
mov ecx, dword [ebp - 0x2c]
push ecx
call dword [sym.imp.KERNEL32.dll_FreeResource]
mov edx, dword [ebp - 0x1c]
cmp edx, dword [0x549f7c]
je 0x4e8136
mov eax, dword [ebp - 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x40]
call fcn.0049900f
jmp 0x4e8186
mov ecx, dword [ebp - 0x1c]
cmp ecx, dword [0x549f7c]
je 0x4e8159
mov edx, dword [ebp - 0x1c]
push edx
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov dword [ebp - 0xa0], str.Unable_to_extract_install_resource_
lea eax, [ebp - 0xa0]
push eax
lea ecx, [ebp - 0x9c]
call fcn.004b645c
push 0x525d14
lea ecx, [ebp - 0x9c]
push ecx
call fcn.004bbab3
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp + 8]
call fcn.004079a0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret