Function at 0x42c980
Capabilities:
Check if file exists
Link many functions at runtime

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x513a26
mov eax, dword fs:[0]
push eax
sub esp, 0xa30
mov eax, dword [0x56e6c4]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0xa38], 0
call fcn.00440710
mov edi, eax
push edi
mov ecx, dword [edi]
call dword [ecx]
mov ebx, eax
test ebx, ebx
je 0x42cb0b
mov dword [ebp - 4], 0
call fcn.00408f10
mov ecx, eax
test ecx, ecx
je 0x42d06b
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0xa38], 1
mov dword [ebp - 0xa34], eax
lea eax, [ebx - 1]
cmp eax, 3
ja case.default.0x42ca04
jmp dword [eax*4 + 0x42d098]
push 0x10
push 0x52af44
jmp 0x42ca2d
push 0x10
push 0x52af68
jmp 0x42ca2d
push 0x11
push 0x52af8c
jmp 0x42ca2d
push 0x1a
push str._rN_f
lea ecx, [ebp - 0xa34]
call fcn.00409f50
mov esi, dword [ebp - 0xa34]
push 0
push 0
push esi
push 0
call fcn.0043d410
or edi, 0xffffffff
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
mov eax, edi
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x42ca6b
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
push ebx
push str.PreInitCheck_failed__ret___d__exit
call fcn.00435e00
add esp, 8
call fcn.00408f10
mov ecx, eax
test ecx, ecx
je 0x42d075
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0xa34], eax
push ebx
push str.055EE061_E6A1_4a97_BCA3_B47A227F452A
lea eax, [ebp - 0xa34]
mov dword [ebp - 4], 1
push str._sPreInitCheck:_d
push eax
call fcn.00408880
sub esp, 0x18
mov eax, esp
mov dword [ebp - 0xa38], esp
mov dword [eax + 0x24], 0
mov esi, dword [ebp - 0xa34]
push 0
push esi
push str.install_init_fail
mov byte [ebp - 4], 2
call fcn.0041c480
mov ecx, eax
mov byte [ebp - 4], 1
call fcn.004179b0
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
lock xadd dword [esi + 0xc], edi
dec edi
test edi, edi
jg 0x42cb04
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
xor eax, eax
jmp 0x42d04f
push str.PreInitCheck_success.
call fcn.00435e00
mov eax, dword [edi]
add esp, 4
push str.DLL_7Z
push 0xcb
push dword [0x571d58]
push edi
call dword [eax + 4]
test eax, eax
jne 0x42cbda
push eax
push eax
push str.7z.dll_
push eax
call fcn.0043d410
push str.Init_7z_failed__exit
call fcn.00435e00
add esp, 4
call fcn.00408f10
mov ecx, eax
test ecx, ecx
je 0x42d07f
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0xa34], eax
push 0
push str.055EE061_E6A1_4a97_BCA3_B47A227F452A
lea eax, [ebp - 0xa34]
mov dword [ebp - 4], 3
push str._sInit7Z:_d
push eax
call fcn.00408880
sub esp, 0x18
mov eax, esp
mov dword [ebp - 0xa38], esp
mov dword [eax + 0x24], 0
mov esi, dword [ebp - 0xa34]
push 0
push esi
push str.install_init_fail
mov byte [ebp - 4], 4
call fcn.0041c480
mov ecx, eax
mov byte [ebp - 4], 3
call fcn.004179b0
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jmp 0x42cafa
push str.Init_7z_success.
call fcn.00435e00
mov eax, dword [edi]
add esp, 4
push str.EXE_KB931125
push 0x361
push dword [0x571d58]
push edi
call dword [eax + 0xc]
test eax, eax
je 0x42cc0e
push str.Init_Sign_Patch_success.
call fcn.00435e00
add esp, 4
mov eax, dword [edi]
push edi
call dword [eax + 0x20]
mov esi, eax
test esi, esi
je 0x42cc9e
push esi
push str.PreInstallCheck_failed__ret___d__exit
call fcn.00435e00
mov ecx, dword [edi]
add esp, 8
push str.EXE_KB931125
push 0x361
push dword [0x571d58]
push edi
call dword [ecx + 0xc]
test eax, eax
je 0x42cc4e
mov eax, dword [edi]
push edi
call dword [eax + 0x20]
mov esi, eax
test esi, esi
je 0x42cc9e
push esi
push str.PreInstallCheck_failed2__ret___d__exit
call fcn.00435e00
call fcn.0042d5d0
sub esp, 0x20
mov eax, esp
mov dword [ebp - 0xa38], esp
mov dword [eax + 0x24], 0
push 0
push 0
push str.install_file_fail
mov dword [ebp - 4], 5
call fcn.0041c480
mov ecx, eax
mov dword [ebp - 4], 0xffffffff
call fcn.004179b0
xor eax, eax
jmp 0x42d04f
push str.PreInstallCheck_success.
call fcn.00435e00
push 0x800
lea eax, [ebp - 0xa18]
push 0
push eax
call fcn.0049d980
mov eax, dword [edi]
lea ecx, [ebp - 0xa18]
add esp, 0x10
push ecx
push str.DLL_NETUL
push 0xf1
push dword [0x571d58]
push edi
call dword [eax + 8]
test eax, eax
jne 0x42cdc1
lea eax, [ebp - 0xa18]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x42cd25
mov eax, dword [edi]
push str.EXE_KB931125
push 0x361
push dword [0x571d58]
push edi
call dword [eax + 0xc]
test eax, eax
je 0x42cd25
lea eax, [ebp - 0xa18]
push eax
call fcn.0045d990
add esp, 4
test eax, eax
jne 0x42cdc1
push str.Init_NetULEx_failed__exit
call fcn.00435e00
add esp, 4
call fcn.0042d5d0
call fcn.00408f10
mov ecx, eax
test ecx, ecx
je 0x42d089
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0xa34], eax
push 0
push str.055EE061_E6A1_4a97_BCA3_B47A227F452A
lea eax, [ebp - 0xa34]
mov dword [ebp - 4], 6
push str._sInitNetULEx:_d
push eax
call fcn.00408880
sub esp, 0x18
mov eax, esp
mov dword [ebp - 0xa38], esp
mov dword [eax + 0x24], 0
mov esi, dword [ebp - 0xa34]
push 0
push esi
push str.install_init_fail
mov byte [ebp - 4], 7
call fcn.0041c480
mov ecx, eax
mov byte [ebp - 4], 6
call fcn.004179b0
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jmp 0x42cafa
push str.Init_NetUL_success.
call fcn.00435e00
call fcn.00408e20
mov ebx, eax
lea eax, [ebp - 0xa18]
push eax
call fcn.0045d990
add esp, 8
test eax, eax
je 0x42ce4a
cmp dword [ebx], 0
jne 0x42ce4a
lea eax, [ebp - 0xa18]
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov dword [ebx], eax
test eax, eax
je 0x42ce4a
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.HttpInit
push eax
call esi
push str.HttpUninit
push dword [ebx]
mov dword [ebx + 4], eax
call esi
push str.zlib_uncompress
push dword [ebx]
mov dword [ebx + 8], eax
call esi
push str.zlib_compress
push dword [ebx]
mov dword [ebx + 0x10], eax
call esi
push str.zlib_compressBound
push dword [ebx]
mov dword [ebx + 0x14], eax
call esi
mov dword [ebx + 0x18], eax
mov eax, dword [ebx + 4]
test eax, eax
je 0x42ce4a
call eax
mov dword [ebx + 0xc], eax
push str.Init_NetUL_success.
call fcn.00435e00
add esp, 4
call fcn.0042c4e0
mov ecx, eax
call fcn.00423180
test eax, eax
je 0x42d011
push 0x208
lea eax, [ebp - 0x218]
push 0
push eax
call fcn.0049d980
add esp, 0xc
lea eax, [ebp - 0x218]
push 0x104
push eax
push dword [0x571d58]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea ecx, [ebp - 0xa34]
call fcn.00408080
lea eax, [ebp - 0x218]
mov dword [ebp - 4], 8
push eax
lea ecx, [ebp - 0xa38]
call fcn.00407fd0
lea eax, [ebp - 0xa34]
mov byte [ebp - 4], 9
push eax
lea eax, [ebp - 0xa38]
push eax
call fcn.00408970
add esp, 8
mov byte [ebp - 4], 8
lea ecx, [ebp - 0xa38]
call fcn.00408350
push 0x52b448
lea ecx, [ebp - 0xa30]
call fcn.004081a0
push ecx
mov esi, esp
mov dword [ebp - 0xa38], esp
mov dword [ebp - 0xa3c], esi
mov eax, dword [ebp - 0xa34]
add eax, 0xfffffff0
mov byte [ebp - 4], 0xa
push eax
call fcn.0040c660
add eax, 0x10
add esp, 4
mov dword [esi], eax
mov byte [ebp - 4], 0xb
call fcn.0042c4e0
mov ecx, eax
call fcn.004210c0
push ecx
mov esi, esp
mov dword [ebp - 0xa3c], esi
mov eax, dword [eax]
sub eax, 0x10
push eax
call fcn.0040c660
add eax, 0x10
add esp, 4
mov dword [esi], eax
lea eax, [ebp - 0xa30]
mov byte [ebp - 4], 0xa
push eax
call fcn.00409330
mov edx, dword [ebp - 0xa1c]
add esp, 0xc
test eax, eax
mov byte [ebp - 4], 8
sete bl
cmp edx, 0x10
jb 0x42cfa2
mov ecx, dword [ebp - 0xa30]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x42cf98
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x42d093
push edx
push ecx
call fcn.00483553
add esp, 8
mov dword [ebp - 0xa20], 0
mov dword [ebp - 0xa1c], 0xf
mov byte [ebp - 0xa30], 0
test bl, bl
je 0x42cfff
sub esp, 0x28
mov eax, esp
mov dword [ebp - 0xa3c], esp
mov dword [eax + 0x24], 0
push 1
push 0
push 0x52b44c
mov byte [ebp - 4], 0xc
call fcn.0041c480
mov ecx, eax
mov byte [ebp - 4], 8
call fcn.004179b0
lea ecx, [ebp - 0xa34]
call fcn.00408350
xor eax, eax
jmp 0x42d04f
lea ecx, [ebp - 0xa34]
mov dword [ebp - 4], 0xffffffff
call fcn.00408350
lea eax, [ebp - 0xa18]
push eax
call fcn.0042c700
mov ecx, eax
call fcn.00430640
mov esi, dword [edi]
call fcn.0042c4e0
mov ecx, eax
call fcn.00423180
push eax
push edi
call dword [esi + 0x58]
mov esi, dword [edi]
call fcn.0042c4e0
mov ecx, eax
call fcn.004224f0
push eax
push edi
call dword [esi + 0x5c]
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00483518
mov esp, ebp
pop ebp
ret
push 0x80004005
call fcn.00408720
push 0x80004005
call fcn.00408720
push 0x80004005
call fcn.00408720
push 0x80004005
call fcn.00408720
call fcn.004b8ca3
or ecx, edx
inc edx
add byte [edx + ecx*8], dl
inc edx
add byte [0x260042ca], bl
retf 0x42