Function at 0x403055
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 8], ebx
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov esi, 0x438c00
push 0x400
add eax, 0x3e8
push esi
push ebx
mov dword [0x430fac], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405b41
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 0xc], edi
mov dword [0x40a648], edi
jne 0x4030af
mov eax, str.Error_launching_installer
jmp 0x403287
push esi
mov esi, 0x437c00
push esi
call fcn.00405e6a
push esi
call fcn.004059a4
push eax
push 0x439000
call fcn.00405e6a
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x42a3b8], eax
mov esi, eax
jle 0x4031ca
mov ebx, 0x4223b8
mov eax, dword [0x430fb4]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x403103
mov edi, eax
push edi
push ebx
call fcn.004034b0
test eax, eax
je 0x403234
cmp dword [0x430fb4], 0
jne 0x403195
push 0x1c
lea eax, [ebp - 0x28]
push ebx
push eax
call fcn.00405b02
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x4031a3
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x4031a3
cmp dword [ebp - 0x18], 0x74736e49
jne 0x4031a3
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x4031a3
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x4031a3
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x4163a8]
and eax, 2
or dword [0x431040], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x430fb4], ecx
jg 0x40322d
test byte [ebp + 8], 8
jne 0x403187
test byte [ebp + 8], 4
jne 0x4031c8
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4031a3
mov edi, esi
jmp 0x4031a3
test byte [ebp + 8], 2
jne 0x4031a3
push 0
call fcn.00402ffa
pop ecx
cmp esi, dword [0x42a3b8]
jge 0x4031b8
push edi
push ebx
push dword [ebp - 8]
call fcn.004063a1
mov dword [ebp - 8], eax
add dword [0x4163a8], edi
sub esi, edi
test esi, esi
jg 0x4030e8
xor ebx, ebx
push 1
call fcn.00402ffa
cmp dword [0x430fb4], ebx
pop ecx
je 0x40322d
cmp dword [ebp - 4], ebx
je 0x403201
push dword [0x4163a8]
call fcn.004034e2
lea eax, [ebp + 8]
push 4
push eax
call fcn.004034b0
test eax, eax
je 0x40322d
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x40322d
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x430fb4]
add eax, 0x1c
push eax
call fcn.004034e2
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.0040328e
cmp eax, dword [ebp - 0x14]
je 0x40323e
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
jmp 0x403287
push 1
call fcn.00402ffa
pop ecx
jmp 0x40322d
test byte [ebp - 0x28], 1
mov dword [0x430fb0], esi
mov eax, dword [esi]
mov dword [0x430fb8], eax
je 0x403257
inc dword [0x430fbc]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x40325d
push 1
push ebx
push ebx
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x3c], eax
add esi, 4
push 0x40
push esi
push 0x430fc0
call fcn.00405b02
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4