Function at 0x402ec1
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, 0x7b6800
push 0x400
add eax, 0x3e8
push esi
push ebx
mov dword [0x7a8a30], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push 3
push 0x80000000
push esi
call fcn.00405d51
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp - 0xc], edi
mov dword [0x40a018], edi
jne 0x402f1b
mov eax, str.Error_launching_installer
jmp 0x4030f3
push esi
mov esi, 0x7b4800
push esi
call fcn.0040625f
push esi
call fcn.00405b7c
push eax
push 0x7b7000
call fcn.0040625f
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x7976dc], eax
mov esi, eax
jle 0x403036
mov ebx, 0x7976e0
mov eax, dword [0x7a8a38]
mov edi, esi
neg eax
sbb eax, eax
and eax, 0x7e00
add eax, 0x200
cmp esi, eax
jl 0x402f6f
mov edi, eax
push edi
push ebx
call fcn.004032f2
test eax, eax
je 0x4030a0
cmp dword [0x7a8a38], 0
jne 0x403001
push 0x1c
lea eax, [ebp - 0x28]
push ebx
push eax
call fcn.00405d0c
mov eax, dword [ebp - 0x28]
test eax, 0xfffffff0
jne 0x40300f
cmp dword [ebp - 0x24], 0xdeadbeef
jne 0x40300f
cmp dword [ebp - 0x18], 0x74736e49
jne 0x40300f
cmp dword [ebp - 0x1c], 0x74666f73
jne 0x40300f
cmp dword [ebp - 0x20], 0x6c6c754e
jne 0x40300f
or dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [0x78b6d4]
and eax, 2
or dword [0x7a8ae0], eax
mov eax, dword [ebp - 0x10]
cmp eax, esi
mov dword [0x7a8a38], ecx
jg 0x403099
test byte [ebp + 8], 8
jne 0x402ff3
test byte [ebp + 8], 4
jne 0x403034
inc dword [ebp - 4]
lea esi, [eax - 4]
cmp edi, esi
jbe 0x40300f
mov edi, esi
jmp 0x40300f
test byte [ebp + 8], 2
jne 0x40300f
push 0
call fcn.00402e5d
pop ecx
cmp esi, dword [0x7976dc]
jge 0x403024
push edi
push ebx
push dword [ebp - 8]
call fcn.0040672c
mov dword [ebp - 8], eax
add dword [0x78b6d4], edi
sub esi, edi
test esi, esi
jg 0x402f54
xor ebx, ebx
push 1
call fcn.00402e5d
cmp dword [0x7a8a38], ebx
pop ecx
je 0x403099
cmp dword [ebp - 4], ebx
je 0x40306d
push dword [0x78b6d4]
call fcn.00403308
lea eax, [ebp + 8]
push 4
push eax
call fcn.004032f2
test eax, eax
je 0x403099
mov eax, dword [ebp - 8]
cmp eax, dword [ebp + 8]
jne 0x403099
push dword [ebp - 0x14]
push 0x40
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
mov eax, dword [0x7a8a38]
add eax, 0x1c
push eax
call fcn.00403308
push dword [ebp - 0x14]
push esi
push ebx
push 0xffffffffffffffff
call fcn.004030fa
cmp eax, dword [ebp - 0x14]
je 0x4030aa
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 0x4030f3
push 1
call fcn.00402e5d
pop ecx
jmp 0x403099
test byte [ebp - 0x28], 1
mov dword [0x7a8a34], esi
mov eax, dword [esi]
mov dword [0x7a8a3c], eax
je 0x4030c3
inc dword [0x7a8a40]
push 8
lea eax, [esi + 0x44]
pop ecx
sub eax, 8
add dword [eax], esi
dec ecx
jne 0x4030c9
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 0x7a8a60
call fcn.00405d0c
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 4