Function at 0x402f7f
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]
push 0x2004
mov esi, 0x47e06c
push esi
add eax, 0x3e8
push ebx
mov dword [0x447c80], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.0040569c
mov edi, eax
mov dword [ebp - 0xc], edi
mov dword [0x40a010], edi
cmp edi, 0xffffffff
jne 0x402fd9
mov eax, str.Error_launching_installer
jmp 0x4031ae
push esi
mov esi, 0x47605c
push esi
call fcn.0040582c
push esi
call fcn.00405d24
push eax
push 0x480070
call fcn.0040582c
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x428988], eax
mov esi, eax
jle 0x4030f4
mov ebx, 0x420900
mov eax, dword [0x447c8c]
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
mov edi, esi
jl 0x40302d
mov edi, eax
push edi
push ebx
call fcn.00402d37
test eax, eax
je 0x4031b5
cmp dword [0x447c8c], 0
jne 0x4030bf
push 0x1c
push ebx
lea eax, [ebp - 0x28]
push eax
call fcn.00405658
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x4030cd
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x4030cd
cmp dword [ebp - 0x18], 0x74736e49
jne 0x4030cd
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x4030cd
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x4030cd
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x4208fc]
and eax, 2
or dword [0x447d00], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x447c8c], ecx
jg 0x4031bd
test byte [ebp + 8], 8
jne 0x4030b1
test byte [ebp + 8], 4
jne 0x4030f2
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4030cd
mov edi, esi
jmp 0x4030cd
test byte [ebp + 8], 2
jne 0x4030cd
push 0
call fcn.00402cd3
pop ecx
cmp esi, dword [0x428988]
jge 0x4030e2
push edi
push ebx
push dword [ebp - 8]
call fcn.00406775
mov dword [ebp - 8], eax
add dword [0x4208fc], edi
sub esi, edi
test esi, esi
jg 0x403012
xor ebx, ebx
push 1
call fcn.00402cd3
pop ecx
cmp dword [0x447c8c], ebx
je 0x4031bd
cmp dword [ebp - 4], ebx
je 0x403137
push dword [0x4208fc]
call fcn.00402d69
push 4
lea eax, [ebp + 8]
push eax
call fcn.00402d37
test eax, eax
je 0x4031bd
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x4031bd
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x447c8c]
add eax, 0x1c
push eax
call fcn.00402d69
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.00402d80
cmp eax, dword [ebp - 0x14]
jne 0x4031bd
test byte [ebp - 0x28], 1
mov dword [0x447c34], esi
mov eax, dword [esi]
mov dword [0x447c88], eax
je 0x40317c
inc dword [0x447c84]
push 8
pop ecx
lea eax, [esi + 0x44]
sub eax, 8
add dword [eax], esi
dec ecx
cmp ecx, ebx
jne 0x403182
push 1
push ebx
push ebx
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [esi + 0x3c], eax
push 0x40
add esi, 4
push esi
push 0x447c40
call fcn.00405658
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4
push 1
call fcn.00402cd3
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 0x4031ae