Function at 0x403420
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x22c
push ebx
push esi
xor ebx, ebx
push edi
mov dword [ebp - 4], ebx
mov dword [ebp - 8], ebx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov esi, 0x43a800
push 0x400
add eax, 0x3e8
push esi
push ebx
mov dword [0x42cbf0], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push 3
push 0x80000000
push esi
call fcn.00406505
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x40ad18], edi
jne 0x40347a
mov eax, str.Error_launching_installer
jmp 0x4036ba
push esi
mov esi, 0x438800
push esi
call fcn.00406a0f
push esi
call fcn.00406330
push eax
push 0x43b000
call fcn.00406a0f
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x422078], eax
mov esi, eax
jbe 0x403593
mov ebx, 0x41a068
mov eax, dword [0x42cbf8]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jb 0x4034ce
mov edi, eax
push edi
push ebx
call fcn.00403932
test eax, eax
je 0x40362e
cmp dword [0x42cbf8], 0
jne 0x403560
push 0x1c
lea eax, [ebp - 0x24]
push ebx
push eax
call fcn.004064c0
mov eax, dword [ebp - 0x24]
test eax, 0xfffffff0
jne 0x40356e
cmp dword [ebp - 0x20], 0xdeadbeef
jne 0x40356e
cmp dword [ebp - 0x14], 0x74736e49
jne 0x40356e
cmp dword [ebp - 0x18], 0x74666f73
jne 0x40356e
cmp dword [ebp - 0x1c], 0x6c6c754e
jne 0x40356e
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x422068]
and eax, 2
or dword [0x42cca0], eax
mov eax, dword [ebp - 0xc]
cmp eax, esi
mov dword [0x42cbf8], ecx
ja 0x403672
test byte [ebp + 8], 8
jne 0x403552
test byte [ebp + 8], 4
jne 0x403591
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x40356e
mov edi, esi
jmp 0x40356e
test byte [ebp + 8], 2
jne 0x40356e
push 0
call fcn.0040337e
pop ecx
cmp esi, dword [0x422078]
jae 0x403583
push edi
push ebx
push dword [ebp - 4]
call fcn.0040712a
mov dword [ebp - 4], eax
add dword [0x422068], edi
sub esi, edi
jne 0x4034b3
xor ebx, ebx
push 1
call fcn.0040337e
cmp dword [0x42cbf8], ebx
pop ecx
je 0x403672
cmp dword [ebp - 8], ebx
je 0x4035d6
push dword [0x422068]
call fcn.00403948
lea eax, [ebp + 8]
push 4
push eax
call fcn.00403932
test eax, eax
je 0x403672
mov eax, dword [ebp - 4]
cmp eax, dword [ebp + 8]
jne 0x403672
push dword [ebp - 0x10]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ecx, 0x40dfe0
mov esi, eax
call fcn.00407198
lea eax, [ebp - 0x22c]
push 0x439800
push eax
call fcn.00406534
push ebx
push 0x4000100
push 2
push ebx
push ebx
lea eax, [ebp - 0x22c]
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
mov dword [0x40ad1c], eax
jne 0x403638
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x4036ba
push 1
call fcn.0040337e
pop ecx
jmp 0x403672
mov eax, dword [0x42cbf8]
add eax, 0x1c
push eax
call fcn.00403948
mov ecx, dword [ebp - 0x24]
push dword [ebp - 0x10]
not ecx
and ecx, 4
mov dword [0x42207c], eax
sub eax, ecx
mov ecx, dword [ebp - 0xc]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x422070], eax
call fcn.004036c1
cmp eax, dword [ebp - 0x10]
je 0x403679
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 0x4036ba
test byte [ebp - 0x24], 1
mov dword [0x42cbf4], esi
mov eax, dword [esi]
mov dword [0x42cbfc], eax
je 0x403692
inc dword [0x42cc00]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x403698
mov eax, dword [0x42206c]
push 0x40
mov dword [esi + 0x3c], eax
add esi, 4
push esi
push 0x42cc20
call fcn.004064c0
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4