Function at 0x4031bf
Capabilities:
Get file size

Disassembly:
sub esp, 0x24
push ebx
push ebp
push esi
push edi
xor edi, edi
xor ebx, ebx
mov dword [esp + 0x14], edi
mov dword [esp + 0x10], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push 0x400
mov esi, 0x42bc00
add eax, 0x3e8
push esi
push ebx
mov dword [0x4243e0], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.0040656e
mov ebp, eax
mov dword [0x40a010], ebp
cmp ebp, 0xffffffff
jne 0x403218
mov eax, str.Error_launching_installer
jmp 0x403417
push esi
mov esi, 0x42ac00
push esi
call fcn.0040675e
push esi
call fcn.00406916
push eax
push 0x42c000
call fcn.0040675e
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
mov dword [0x40b508], esi
test esi, esi
je 0x403344
mov ebx, dword [esp + 0x38]
cmp dword [0x4243e8], 0
mov eax, 0x8000
mov edi, 0x200
cmovne edi, eax
cmp esi, edi
cmovb edi, esi
push edi
push 0x40b5a0
call fcn.00402f2a
test eax, eax
je 0x40340a
cmp dword [0x4243e8], 0
jne 0x403306
push 0x1c
push 0x40b5a0
lea eax, [esp + 0x20]
push eax
call fcn.004062ec
test dword [esp + 0x18], 0xfffffff0
jne 0x403313
cmp dword [esp + 0x1c], 0xdeadbeef
jne 0x403313
cmp dword [esp + 0x28], 0x74736e49
jne 0x403313
cmp dword [esp + 0x24], 0x74666f73
jne 0x403313
cmp dword [esp + 0x20], 0x6c6c754e
jne 0x403313
mov eax, dword [0x40b50c]
or ebx, dword [esp + 0x18]
mov ecx, dword [esp + 0x30]
mov dword [0x4243e8], eax
mov eax, ebx
and eax, 2
or dword [0x4244c0], eax
cmp ecx, esi
ja 0x403412
mov eax, ebx
and al, 0xc
cmp al, 4
je 0x40333c
inc dword [esp + 0x10]
lea esi, [ecx - 4]
cmp edi, esi
jbe 0x403313
mov edi, esi
jmp 0x403313
test bl, 2
jne 0x403313
push 0
call fcn.0040315b
pop ecx
cmp esi, dword [0x40b508]
jae 0x40332e
push edi
push 0x40b5a0
push dword [esp + 0x1c]
call fcn.00406a1e
mov dword [esp + 0x14], eax
add dword [0x40b50c], edi
sub esi, edi
jne 0x403252
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x10]
push 1
call fcn.0040315b
cmp dword [0x4243e8], 0
pop ecx
je 0x403412
test ebx, ebx
je 0x40338c
push dword [0x40b50c]
call fcn.00402f40
push 4
lea eax, [esp + 0x3c]
push eax
push dword [0x40a010]
call fcn.0040659b
test eax, eax
je 0x403412
cmp edi, dword [esp + 0x38]
jne 0x403412
push dword [esp + 0x2c]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ecx, dword [0x4243e8]
mov esi, eax
add ecx, 0x1c
push ecx
call fcn.00402f40
push dword [esp + 0x2c]
xor ebx, ebx
push esi
push ebx
push 0xffffffffffffffff
call fcn.00402f57
cmp eax, dword [esp + 0x2c]
jne 0x403412
test byte [esp + 0x18], 1
mov dword [0x4243f0], esi
mov eax, dword [esi]
mov dword [0x4243ec], eax
je 0x4033d8
inc dword [0x4243e4]
push 8
pop ecx
lea eax, [esi + 0x44]
lea eax, [eax - 8]
add dword [eax], esi
sub ecx, 1
jne 0x4033de
push 1
push ebx
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x3c], eax
lea eax, [esi + 4]
push 0x40
push eax
push 0x424400
call fcn.004062ec
xor eax, eax
jmp 0x403417
push 1
call fcn.0040315b
pop ecx
mov eax, str.Installer_integrity_check_has_failed._Common_causes_include_nincomplete_download_and_damaged_media._Contact_the_ninstallers_author_to_obtain_a_new_copy._n_nMore_information_at:_nhttp:__nsis.sf.net_NSIS_Error
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x24
ret 4