Function at 0x402f81
Capabilities:
Get file size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x128
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, 0x42bc00
push 0x400
add eax, 0x3e8
push esi
push ebx
mov dword [0x42434c], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push esi
call fcn.00405f51
mov edi, eax
cmp edi, 0xffffffff
mov dword [0x40a018], edi
jne 0x402fdb
mov eax, str.Error_launching_installer
jmp 0x40321b
push esi
mov esi, 0x42ac00
push esi
call fcn.004063be
push esi
call fcn.00405d97
push eax
push 0x42c000
call fcn.004063be
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x41f908], eax
mov esi, eax
jbe 0x4030f4
mov ebx, 0x4178f8
mov eax, dword [0x424354]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jb 0x40302f
mov edi, eax
push edi
push ebx
call fcn.00403493
test eax, eax
je 0x40318f
cmp dword [0x424354], 0
jne 0x4030c1
push 0x1c
lea eax, [ebp - 0x24]
push ebx
push eax
call fcn.00405f0c
mov eax, dword [ebp - 0x24]
test eax, 0xfffffff0
jne 0x4030cf
cmp dword [ebp - 0x20], 0xdeadbeef
jne 0x4030cf
cmp dword [ebp - 0x14], 0x74736e49
jne 0x4030cf
cmp dword [ebp - 0x18], 0x74666f73
jne 0x4030cf
cmp dword [ebp - 0x1c], 0x6c6c754e
jne 0x4030cf
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x41f8f8]
and eax, 2
or dword [0x4243e0], eax
mov eax, dword [ebp - 0xc]
cmp eax, esi
mov dword [0x424354], ecx
ja 0x4031d3
test byte [ebp + 8], 8
jne 0x4030b3
test byte [ebp + 8], 4
jne 0x4030f2
inc dword [ebp - 8]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x4030cf
mov edi, esi
jmp 0x4030cf
test byte [ebp + 8], 2
jne 0x4030cf
push 0
call fcn.00402ee2
pop ecx
cmp esi, dword [0x41f908]
jae 0x4030e4
push edi
push ebx
push dword [ebp - 4]
call fcn.0040689d
mov dword [ebp - 4], eax
add dword [0x41f8f8], edi
sub esi, edi
jne 0x403014
xor ebx, ebx
push 1
call fcn.00402ee2
cmp dword [0x424354], ebx
pop ecx
je 0x4031d3
cmp dword [ebp - 8], ebx
je 0x403137
push dword [0x41f8f8]
call fcn.004034a9
lea eax, [ebp + 8]
push 4
push eax
call fcn.00403493
test eax, eax
je 0x4031d3
mov eax, dword [ebp - 4]
cmp eax, dword [ebp + 8]
jne 0x4031d3
push dword [ebp - 0x10]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov ecx, 0x40b870
mov esi, eax
call fcn.0040690b
lea eax, [ebp - 0x128]
push 0x42b400
push eax
call fcn.00405f80
push ebx
push 0x4000100
push 2
push ebx
push ebx
lea eax, [ebp - 0x128]
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [0x40a01c], eax
jne 0x403199
mov eax, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x40321b
push 1
call fcn.00402ee2
pop ecx
jmp 0x4031d3
mov eax, dword [0x424354]
add eax, 0x1c
push eax
call fcn.004034a9
mov ecx, dword [ebp - 0x24]
push dword [ebp - 0x10]
not ecx
and ecx, 4
mov dword [0x41f90c], eax
sub eax, ecx
mov ecx, dword [ebp - 0xc]
push esi
push ebx
lea eax, [eax + ecx - 0x1c]
push 0xffffffffffffffff
mov dword [0x41f900], eax
call fcn.00403222
cmp eax, dword [ebp - 0x10]
je 0x4031da
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 0x40321b
test byte [ebp - 0x24], 1
mov dword [0x424350], esi
mov eax, dword [esi]
mov dword [0x424358], eax
je 0x4031f3
inc dword [0x42435c]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x4031f9
mov eax, dword [0x41f8fc]
push 0x40
mov dword [esi + 0x3c], eax
add esi, 4
push esi
push 0x424360
call fcn.00405f0c
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4