Function at 0x43b860
Capabilities:
Create directory
Download url
Read file on windows
Receive data

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4ff8b5
mov eax, dword fs:[0]
push eax
sub esp, 0x918
mov eax, dword [0x5732cc]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov esi, dword [ebp + 8]
mov dword [ebp - 0x860], esi
mov edi, dword [ebp + 0xc]
mov ebx, dword [ebp + 0x10]
mov dword [ebp - 0x840], ebx
mov dword [ebp - 4], 0
push 0x468ad0
call fcn.004dbbc8
add esp, 4
mov byte [ebp - 0x831], 0
push edi
lea ecx, [ebp - 0x84c]
call fcn.0041ad50
mov byte [ebp - 4], 1
push 0x517434
lea ecx, [ebp - 0x84c]
call fcn.0041d470
push str.checksum.txt
lea ecx, [ebp - 0x84c]
call fcn.0041d470
push ebx
lea ecx, [ebp - 0x848]
call fcn.0041ad50
mov byte [ebp - 4], 2
push 0x514670
lea ecx, [ebp - 0x848]
call fcn.0041d470
push str.checksum.txt
lea ecx, [ebp - 0x848]
call fcn.0041d470
mov eax, dword [esi + 4]
sub eax, dword [esi]
sar eax, 2
test eax, eax
je 0x43b934
mov ecx, esi
call fcn.0043a900
push 1
push 0
push ebx
call fcn.0046dc30
add esp, 0xc
test al, al
jne 0x43b9d3
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
test eax, eax
je 0x43bb11
push 0xffffffffffffffff
push 6
push 1
call fcn.0041f480
mov ecx, eax
call fcn.00420010
push 1
lea ecx, [ebp - 0x924]
call fcn.0041f520
mov byte [ebp - 4], 3
mov byte [ebp - 4], 4
push str.Creation_of_updates_directory_succeded_.....
lea ecx, [ebp - 0x924]
push ecx
call fcn.0041e560
add esp, 8
lea edx, [ebp - 0x924]
push edx
call fcn.0041f480
mov ecx, eax
call fcn.0041cfb0
mov dword [ebp - 4], 3
jmp 0x43b9c4
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x924]
call fcn.0041dc00
push 1
push 0
push ebx
call fcn.0046dc30
add esp, 0xc
test al, al
je 0x43be18
mov eax, dword [ebp - 0x84c]
cmp dword [eax - 8], 0
je 0x43be18
mov esi, dword [ebp - 0x848]
cmp dword [esi - 8], 0
je 0x43be18
push 0
push 0
push esi
push eax
push 0
call sub.urlmon.dll_URLDownloadToFileA
test eax, eax
js 0x43be18
push esi
lea ecx, [ebp - 0x830]
call fcn.00401880
mov byte [ebp - 4], 9
lea ecx, [ebp - 0x884]
call fcn.0043b1e0
mov byte [ebp - 4], 0xa
push 0x800
push 0
lea edx, [ebp - 0x814]
push edx
call fcn.004dba80
add esp, 0xc
push 0
push 0
push 3
push 0
push 1
push closesocket
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
mov dword [ebp - 0x854], edi
cmp edi, 0xffffffff
jne 0x43bb95
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
push 0xffffffffffffffff
push 6
push 3
call fcn.0041f480
mov ecx, eax
call fcn.00420010
push 1
lea ecx, [ebp - 0x924]
call fcn.0041f520
mov ebx, 0xb
mov byte [ebp - 4], bl
mov byte [ebp - 4], 0xc
push edi
push str._._The_error_code_is
push esi
push str.Could_not_open_file
lea eax, [ebp - 0x924]
push eax
call fcn.0041e560
add esp, 8
push eax
call fcn.0041e560
add esp, 8
push eax
call fcn.0041e560
add esp, 8
mov ecx, eax
call fcn.004365a0
lea ecx, [ebp - 0x924]
push ecx
call fcn.0041f480
mov ecx, eax
call fcn.0041cfb0
mov dword [ebp - 4], ebx
mov byte [ebp - 4], 0xa
lea ecx, [ebp - 0x924]
call fcn.0041dc00
mov byte [ebp - 0x831], 0
jmp 0x43bdfa
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push 0xffffffffffffffff
push 6
push 2
call fcn.0041f480
mov ecx, eax
call fcn.00420010
push 1
lea ecx, [ebp - 0x924]
call fcn.0041f520
mov byte [ebp - 4], 6
mov byte [ebp - 4], 7
push esi
push str.Creation_of_updates_directory_failed_...._error_code_
lea eax, [ebp - 0x924]
push eax
call fcn.0041e560
add esp, 8
mov ecx, eax
call fcn.0041ea70
lea ecx, [ebp - 0x924]
push ecx
call fcn.0041f480
mov ecx, eax
call fcn.0041cfb0
mov dword [ebp - 4], 6
jmp 0x43b9c4
push 0
lea edx, [ebp - 0x870]
push edx
push 0x7ff
lea eax, [ebp - 0x814]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
setne al
test al, al
je 0x43bdec
lea ecx, [ebp - 0x814]
push ecx
lea ecx, [ebp - 0x838]
call fcn.0041ad50
mov byte [ebp - 4], 0xe
mov edx, dword [0x570024]
mov dword [ebp - 0x844], edx
mov byte [ebp - 4], 0xf
mov eax, dword [0x570024]
mov dword [ebp - 0x840], eax
mov bl, 0x10
mov byte [ebp - 4], bl
xor edi, edi
mov byte [ebp - 0x839], 0
lea ecx, [ebp - 0x838]
call fcn.00418070
lea ecx, [ebp - 0x838]
call fcn.00431570
push 0x5422ee
lea ecx, [ebp - 0x838]
push ecx
call fcn.0042f870
test al, al
je 0x43bdb7
cmp byte [ebp - 0x839], 0
jne 0x43bdb7
push 0x517388
lea ecx, [ebp - 0x838]
call fcn.00424960
mov esi, eax
cmp esi, 0xffffffff
je 0x43bdb7
push esi
push edi
lea edx, [ebp - 0x864]
push edx
lea ecx, [ebp - 0x838]
call fcn.004249b0
mov byte [ebp - 4], 0x11
push eax
lea ecx, [ebp - 0x844]
call fcn.0041e3d0
mov byte [ebp - 4], bl
lea ecx, [ebp - 0x864]
call fcn.00416630
inc esi
push esi
lea eax, [ebp - 0x86c]
push eax
lea ecx, [ebp - 0x838]
call fcn.004321f0
mov byte [ebp - 4], 0x12
push eax
lea ecx, [ebp - 0x838]
call fcn.0041e3d0
mov byte [ebp - 4], bl
lea ecx, [ebp - 0x86c]
call fcn.00416630
push 0x5422ec
lea ecx, [ebp - 0x838]
call fcn.00424960
mov esi, eax
cmp esi, 0xffffffff
je 0x43bd35
push esi
push edi
lea ecx, [ebp - 0x858]
push ecx
lea ecx, [ebp - 0x838]
call fcn.004249b0
mov byte [ebp - 4], 0x13
push eax
lea ecx, [ebp - 0x840]
call fcn.0041e3d0
mov byte [ebp - 4], bl
lea ecx, [ebp - 0x858]
call fcn.00416630
inc esi
push esi
lea edx, [ebp - 0x850]
push edx
lea ecx, [ebp - 0x838]
call fcn.004321f0
mov byte [ebp - 4], 0x14
push eax
lea ecx, [ebp - 0x838]
call fcn.0041e3d0
mov byte [ebp - 4], bl
lea ecx, [ebp - 0x850]
call fcn.00416630
jmp 0x43bd6d
push edi
lea eax, [ebp - 0x868]
push eax
lea ecx, [ebp - 0x838]
call fcn.004321f0
mov byte [ebp - 4], 0x15
push eax
lea ecx, [ebp - 0x840]
call fcn.0041e3d0
mov byte [ebp - 4], bl
lea ecx, [ebp - 0x868]
call fcn.00416630
mov byte [ebp - 0x839], 1
lea ecx, [ebp - 0x844]
call fcn.00418070
lea ecx, [ebp - 0x844]
call fcn.00431570
lea ecx, [ebp - 0x838]
call fcn.00418070
lea ecx, [ebp - 0x838]
call fcn.00431570
lea ecx, [ebp - 0x844]
push ecx
mov ecx, dword [ebp - 0x860]
call fcn.0043b160
mov byte [ebp - 0x831], 1
jmp 0x43bc13
mov byte [ebp - 4], 0xf
lea ecx, [ebp - 0x840]
call fcn.00416630
mov byte [ebp - 4], 0xe
lea ecx, [ebp - 0x844]
call fcn.00416630
mov byte [ebp - 4], 0xa
lea ecx, [ebp - 0x838]
call fcn.00416630
mov edi, dword [ebp - 0x854]
jmp 0x43bdf3
mov byte [ebp - 0x831], 0
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov byte [ebp - 4], 9
lea ecx, [ebp - 0x884]
call fcn.0043b080
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x830]
call fcn.004018f0
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x848]
call fcn.00416630
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x84c]
call fcn.00416630
mov al, byte [ebp - 0x831]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.004db901
mov esp, ebp
pop ebp
ret