Function at 0x402fa6
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
push esi
push edi
xor edi, edi
mov dword [ebp - 8], edi
mov dword [ebp - 4], edi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push 0x400
mov esi, 0x7a9c00
push esi
add eax, 0x3e8
push edi
mov dword [0x7a2440], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.004055eb
mov ebx, eax
mov dword [ebp - 0xc], ebx
mov dword [0x409010], ebx
cmp ebx, 0xffffffff
jne 0x403000
mov eax, str.Error_launching_installer
jmp 0x4031df
push esi
mov esi, 0x7a8c00
push esi
call fcn.0040577b
push esi
call fcn.00405943
push eax
push 0x7aa000
call fcn.0040577b
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [0x79d5b4], eax
mov esi, eax
cmp eax, edi
jbe 0x403123
mov ebx, 0x416cf0
mov eax, dword [0x7a244c]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
mov edi, esi
cmp esi, eax
jb 0x403054
mov edi, eax
push edi
push ebx
call fcn.00402d08
test eax, eax
je 0x4031e6
cmp dword [0x7a244c], 0
jne 0x4030e6
push 0x1c
push ebx
lea eax, [ebp - 0x28]
push eax
call fcn.004055a1
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x4030f4
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x4030f4
cmp dword [ebp - 0x18], 0x74736e49
jne 0x4030f4
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x4030f4
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x4030f4
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x416cec]
and eax, 2
or dword [0x7a24c0], eax
mov eax, dword [ebp - 0x10]
mov dword [0x7a244c], ecx
cmp eax, esi
ja 0x4031ee
test byte [ebp + 8], 8
jne 0x4030d8
test byte [ebp + 8], 4
jne 0x403121
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4030f4
mov edi, esi
jmp 0x4030f4
test byte [ebp + 8], 2
jne 0x4030f4
push 0
call fcn.00402ca4
pop ecx
cmp esi, dword [0x79d5b4]
jae 0x403109
push edi
push ebx
push dword [ebp - 8]
call fcn.00405fcf
mov dword [ebp - 8], eax
add dword [0x416cec], edi
cmp esi, edi
jbe 0x403117
sub esi, edi
jmp 0x403119
xor esi, esi
test esi, esi
ja 0x403039
xor edi, edi
push 1
call fcn.00402ca4
pop ecx
cmp dword [0x7a244c], edi
je 0x4031ee
cmp dword [ebp - 4], edi
je 0x403167
push edi
push dword [0x416cec]
call fcn.00402d7b
push 4
lea eax, [ebp + 8]
push eax
call fcn.00402d08
test eax, eax
je 0x4031ee
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x4031ee
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x7a244c]
add eax, 0x1c
push edi
push eax
call fcn.00402d7b
push dword [ebp - 0x14]
push esi
push edi
push 0xffffffffffffffff
call fcn.00402d96
cmp eax, dword [ebp - 0x14]
jne 0x4031ee
test byte [ebp - 0x28], 1
mov dword [0x7a23ec], esi
mov eax, dword [esi]
mov dword [0x7a2448], eax
je 0x4031ad
inc dword [0x7a2444]
push 8
pop ecx
lea eax, [esi + 0x44]
sub eax, 8
add dword [eax], esi
dec ecx
cmp ecx, edi
jne 0x4031b3
push 1
push edi
push edi
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x3c], eax
push 0x40
add esi, 4
push esi
push 0x7a2400
call fcn.004055a1
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4
push 1
call fcn.00402ca4
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
jmp 0x4031df