Function at 0x480bb0
Capabilities:
Check mutex on windows
Delete file
Move file
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
mov ebx, eax
xor eax, eax
push esi
push edi
xor edi, edi
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x18], eax
mov eax, dword [ebp + 8]
mov dword [ebp - 8], edi
mov dword [ebp - 0x20], edi
cmp word [eax], di
jne 0x480bde
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
push 0x100000
mov dword [ebp - 0x1c], 0x100000
call fcn.004a4a82
add esp, 4
mov dword [ebp - 0x18], eax
cmp eax, edi
je 0x480c34
lea eax, [ebx + 0xc]
push eax
mov edi, 4
lea esi, [ebp - 0x20]
mov dword [eax], 2
call fcn.0047fcd0
add esp, 4
test eax, eax
je 0x480c32
mov edx, dword [ebx + 8]
mov ecx, esi
push ecx
push 0x480b80
push 0
push edx
push ebx
call fcn.00480a30
mov dword [ebp - 8], 1
xor edi, edi
mov eax, dword [0x4f3f00]
cmp eax, edi
jne 0x480ce1
mov eax, dword [ebp + 8]
push eax
call fcn.004a535d
push 0x5c
push eax
mov dword [0x4f3f04], eax
call fcn.004a4bca
add esp, 0xc
cmp eax, edi
je 0x480c7d
mov edi, edi
mov edx, dword [0x4f3f04]
mov ecx, 0x5f
push 0x5c
push edx
mov word [eax], cx
call fcn.004a4bca
add esp, 8
cmp eax, edi
jne 0x480c60
mov eax, dword [0x4f3f04]
push 0x3a
push eax
call fcn.004a4bca
add esp, 8
cmp eax, edi
je 0x480cae
mov edx, dword [0x4f3f04]
mov ecx, 0x5f
push 0x3a
push edx
mov word [eax], cx
call fcn.004a4bca
add esp, 8
cmp eax, edi
jne 0x480c91
mov eax, dword [0x4f3f04]
push eax
push edi
push 0x100000
call dword [sym.imp.KERNEL32.dll_OpenMutexW]
mov dword [0x4f3f00], eax
cmp eax, edi
jne 0x480ce1
mov ecx, dword [0x4f3f04]
push ecx
push edi
push edi
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
mov dword [0x4f3f00], eax
cmp eax, edi
je 0x480cea
push 0xffffffffffffffff
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
mov edx, dword [ebp + 8]
push eax
push edx
lea eax, [ebp - 4]
push str._s._d.tmp
push eax
call fcn.00461920
mov ecx, dword [ebp - 4]
add esp, 0x10
push edi
push edi
push 2
push edi
push edi
push 0x40000000
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ecx, dword [ebp - 0x18]
push edi
mov esi, eax
mov eax, dword [ebp - 0x20]
lea edx, [ebp - 0xc]
push edx
push eax
push ecx
push esi
mov dword [ebp - 0xc], edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x480d40
mov edx, dword [ebp - 0xc]
cmp edx, dword [ebp - 0x20]
je 0x480d43
mov dword [ebp - 8], edi
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
mov dword [ebp - 0x14], esp
mov ebx, esp
call fcn.00495d32
test eax, eax
jne 0x480d63
push 0x80004005
call fcn.00421000
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
mov esi, dword [ebp + 8]
add eax, 0x10
mov dword [ebx], eax
test esi, 0xffff0000
jne 0x480ec4
movzx esi, si
push esi
call fcn.0049dc65
mov edi, eax
test edi, edi
je 0x480e50
mov ecx, esi
shr ecx, 4
inc ecx
movzx edx, cx
push 6
push edx
push edi
call dword [sym.imp.KERNEL32.dll_FindResourceW]
test eax, eax
je 0x480e50
push esi
push eax
push edi
call fcn.004216e0
mov esi, eax
add esp, 0xc
test esi, esi
je 0x480e50
mov eax, dword [ebx]
movzx edi, word [esi]
mov edx, dword [eax - 8]
sub eax, 0x10
mov ecx, 1
sub ecx, dword [eax + 0xc]
sub edx, edi
or ecx, edx
jge 0x480de4
push edi
mov ecx, ebx
call fcn.004214ff
mov eax, dword [ebx]
mov dword [ebp - 0x10], eax
movzx eax, word [esi]
add esi, 2
cmp eax, 0xffffffff
jne 0x480dfe
push esi
call fcn.004a437a
add esp, 4
inc eax
lea edx, [eax + eax]
mov eax, dword [ebp - 0x10]
push edx
lea ecx, [edi + edi]
push esi
push ecx
push eax
mov dword [ebp - 0x14], ecx
call fcn.004a3e70
add esp, 0x10
cmp eax, 0x50
ja case.0x480e22.1
movzx ecx, byte [eax + 0x480eec]
jmp dword [ecx*4 + 0x480edc]
call fcn.0049629a
call fcn.004962d2
test edi, edi
jl 0x480eba
mov eax, dword [ebx]
cmp edi, dword [eax - 8]
jg 0x480eba
mov ecx, dword [ebp - 0x14]
mov dword [eax - 0xc], edi
mov edx, dword [ebx]
xor eax, eax
mov word [ecx + edx], ax
mov esi, dword [ebp + 8]
call fcn.00464fa0
mov edx, dword [ebp - 4]
add esp, 4
push esi
push edx
call dword [sym.imp.KERNEL32.dll_MoveFileW]
mov eax, dword [ebp - 4]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x480e85
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov eax, dword [0x4f3f00]
test eax, eax
je 0x480e95
push eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov ecx, dword [ebp - 0x18]
push ecx
call fcn.004a4965
mov edi, dword [ebp - 8]
add esp, 4
test edi, edi
jne 0x480eaf
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
push 0x80070057
call fcn.00421000
push esi
call fcn.004a437a
add esp, 4
push eax
push esi
mov ecx, ebx
call fcn.00423f12
jmp 0x480e53