Function at 0x41551e
Capabilities:
Check if file exists
Create directory
Delete file
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x43acb0
mov eax, dword fs:[0]
push eax
sub esp, 0xf0
mov eax, dword [0x446074]
xor eax, esp
mov dword [esp + 0xe8], eax
push ebx
push esi
push edi
mov eax, dword [0x446074]
xor eax, esp
push eax
lea eax, [esp + 0x100]
mov dword fs:[0], eax
mov esi, dword [ebp + 0x10]
push str.Kernel32.dll
lea eax, [esp + 0x18]
push eax
call fcn.00401345
lea eax, [esp + 0x14]
xor ebx, ebx
push eax
mov dword [esp + 0x10c], ebx
call fcn.0040116c
or dword [esp + 0x10c], 0xffffffff
mov edi, eax
mov eax, dword [esp + 0x18]
pop ecx
add eax, 0xfffffff0
call fcn.00401977
cmp edi, ebx
je 0x4155bb
push str.SetDllDirectoryW
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
cmp eax, ebx
je 0x4155bb
push 0x43d93c
call eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov eax, dword [ebp + 8]
mov dword [0x4491c0], eax
mov eax, 0x43ea4c
lea ecx, [esp + 0x54]
call fcn.004090e0
xor edi, edi
push eax
inc edi
mov eax, 0x43fa80
lea ecx, [esp + 0x3c]
mov dword [esp + 0x10c], edi
call fcn.004090e0
push eax
mov eax, 0x43fa84
lea ecx, [esp + 0x78]
mov byte [esp + 0x110], 2
call fcn.004090e0
push eax
sub esp, 0x1c
mov byte [esp + 0x130], 3
mov eax, esi
mov ecx, esp
mov dword [esp + 0x3c], esp
call fcn.004090e0
lea ecx, [esp + 0xb4]
call fcn.0040af86
push ebx
push edi
lea esi, [esp + 0x78]
call fcn.00409471
push ebx
push edi
lea esi, [esp + 0x40]
call fcn.00409471
push ebx
push edi
lea esi, [esp + 0x5c]
mov byte [esp + 0x110], 7
call fcn.00409471
mov eax, str.operator
lea ecx, [esp + 0x1c]
mov dword [esp + 0x10], ebx
call fcn.004090e0
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x20]
push eax
lea eax, [esp + 0x94]
push eax
lea ecx, [esp + 0x1c]
mov byte [esp + 0x114], 8
call fcn.0041754a
push ebx
push edi
lea esi, [esp + 0x24]
mov byte [esp + 0x110], 7
call fcn.00409471
mov al, byte [esp + 0x10]
mov byte [0x4491e4], al
mov eax, str.supplyid
lea ecx, [esp + 0x1c]
mov dword [esp + 0x14], ebx
call fcn.004090e0
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x20]
push eax
lea eax, [esp + 0x94]
push eax
lea ecx, [esp + 0x20]
mov byte [esp + 0x114], 9
call fcn.0041754a
push ebx
push edi
lea esi, [esp + 0x24]
mov byte [esp + 0x110], 7
call fcn.00409471
mov esi, dword [esp + 0x14]
mov dword [0x4491e8], esi
call fcn.004147da
mov dword [esp + 0x14], eax
mov dword [eax + 4], esi
call dword [sym.imp.USER32.dll_GetDesktopWindow]
cmp eax, ebx
je 0x415794
push 5
push eax
call dword [sym.imp.USER32.dll_GetWindow]
mov esi, dword [sym.imp.USER32.dll_IsWindow]
jmp 0x41573c
push str.QQPCDownloader_PropData
push dword [esp + 0x1c]
call dword [sym.imp.USER32.dll_GetPropW]
test eax, eax
jne 0x415775
push 2
push dword [esp + 0x1c]
call dword [sym.imp.USER32.dll_GetWindow]
push eax
mov dword [esp + 0x1c], eax
call esi
test eax, eax
jne 0x41571d
mov dword [esp + 0x18], ebx
cmp dword [esp + 0x18], ebx
je 0x415794
push dword [esp + 0x18]
call esi
test eax, eax
je 0x415794
cmp dword [esp + 0x10], 2
jne 0x41577f
push ebx
push ebx
push 0x80fa
push dword [esp + 0x24]
call dword [sym.imp.USER32.dll_PostMessageW]
jmp 0x41578a
mov eax, dword [esp + 0x18]
mov dword [esp + 0x18], eax
jmp 0x41574b
cmp dword [esp + 0x10], 3
jne 0x4158f2
call fcn.004153c4
jmp 0x4158e7
mov eax, dword [esp + 0x10]
cmp eax, edi
jne 0x4157e6
mov esi, dword [esp + 0x14]
mov edi, esi
call fcn.00414b2d
call fcn.0040aab8
test eax, eax
je 0x4157b5
call fcn.00415322
xor eax, eax
call fcn.00415477
call fcn.00414bb4
push 0x1388
call dword [sym.imp.KERNEL32.dll_Sleep]
cmp dword [0x44920c], ebx
je 0x4158f2
mov ecx, dword [esp + 0x14]
call fcn.0041488c
jmp 0x4158f2
cmp eax, 2
jne 0x4157fd
mov ecx, dword [esp + 0x14]
mov byte [0x4491e6], 1
call fcn.0041488c
jmp 0x41578a
cmp eax, 3
jne 0x4158bc
call fcn.0040aab8
test eax, eax
je 0x415814
call fcn.00415322
push 0x43d93c
lea eax, [esp + 0x14]
push eax
call fcn.00401345
lea ebx, [esp + 0x18]
mov byte [esp + 0x108], 0xa
call fcn.0040abde
lea edi, [esp + 0x10]
mov byte [esp + 0x108], 0xb
call fcn.0040138c
mov byte [esp + 0x108], 0xa
mov eax, dword [esp + 0x18]
add eax, 0xfffffff0
call fcn.00401977
mov esi, edi
call fcn.00413ef4
mov eax, str.Download_
mov ecx, edi
call fcn.004019e7
push 0
push dword [esp + 0x14]
push 0
call dword [sym.imp.SHELL32.dll_SHCreateDirectoryExW]
mov eax, str.QQPCDownload.exe
mov ecx, edi
call fcn.004019e7
push dword [esp + 0x10]
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x41589e
push dword [esp + 0x10]
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
call fcn.004153c4
push 0x1388
call dword [sym.imp.KERNEL32.dll_Sleep]
mov eax, dword [esp + 0x10]
add eax, 0xfffffff0
call fcn.00401977
jmp 0x4158f2
cmp eax, 4
jne 0x4158f2
mov esi, dword [esp + 0x14]
mov edi, esi
call fcn.00414b2d
call fcn.0040aab8
test eax, eax
je 0x4158da
call fcn.00415322
xor eax, eax
inc eax
call fcn.00415477
call fcn.00414bb4
push 0x1388
call dword [sym.imp.KERNEL32.dll_Sleep]
or dword [esp + 0x108], 0xffffffff
lea ecx, [esp + 0x8c]
call fcn.0040b08c
xor eax, eax
mov ecx, dword [esp + 0x100]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0xe8]
xor ecx, esp
call fcn.0041bf18
mov esp, ebp
pop ebp
ret 0x10