Function at 0x404670
Capabilities:
Accept command line arguments
Check for time delay via gettickcount
Copy file
Delete file
Get common file path
Get file size
Read file on windows
Terminate process

Disassembly:
sub esp, 0xc
push ebx
push esi
push edi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
add eax, 0x3e8
mov esi, 0x420da0
mov dword [esp + 0x10], eax
mov bl, 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push 0x400
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrcpynA]
cmp byte [0x420da0], 0x22
jne 0x4046b6
add bl, 2
mov esi, 0x420da1
mov al, byte [esi]
mov edi, dword [sym.imp.USER32.dll_CharNextA]
test al, al
je 0x4046db
cmp al, bl
je 0x4046d1
push esi
call edi
mov esi, eax
mov al, byte [esi]
test al, al
jne 0x4046c2
cmp byte [esi], 0
je 0x4046db
push esi
call edi
mov esi, eax
mov dword [esp + 0x14], esi
jmp 0x4046e6
push esi
call edi
mov esi, eax
cmp byte [esi], 0x20
je 0x4046e1
cmp byte [esi], 0x2f
jne 0x404787
inc esi
mov dl, byte [esi]
cmp dl, 0x53
jne 0x404711
mov al, byte [esi + 1]
cmp al, 0x20
je 0x404707
test al, al
jne 0x404711
inc byte [0x419340]
inc esi
inc esi
jmp 0x40477e
cmp dl, 0x4e
jne 0x404740
cmp byte [esi + 1], 0x43
jne 0x404740
cmp byte [esi + 2], 0x52
jne 0x404740
cmp byte [esi + 3], 0x43
jne 0x404740
lea eax, [esi + 4]
mov cl, byte [eax]
cmp cl, 0x20
je 0x404736
test cl, cl
jne 0x404740
inc byte [0x419d50]
mov esi, eax
jmp 0x40477e
cmp dl, 0x44
jne 0x404769
cmp byte [esi + 1], 0x3d
jne 0x404769
and byte [esi - 2], 0
lea eax, [esi + 2]
push eax
push 0x4211a0
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
add esi, eax
jmp 0x40477e
mov al, byte [esi]
test al, al
je 0x404787
cmp al, 0x20
je 0x40477e
push esi
call edi
mov esi, eax
mov al, byte [esi]
test al, al
jne 0x40476f
cmp byte [esi], 0
jne 0x4046e6
push str.NSIS_ERROR
push 0x422600
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
xor ebx, ebx
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edi, 0x4219a0
push 0x400
push edi
push eax
mov dword [0x41bd88], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push edi
call fcn.004068be
add esp, 0xc
cmp eax, 0xffffffff
mov dword [0x422e08], eax
jne 0x4047e0
mov dword [0x418ed0], str.Cant_open_self
jmp 0x404a74
push ebp
push edi
call fcn.0040677e
pop ecx
push ebx
push dword [0x422e08]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x419b48], eax
mov edi, eax
jle 0x404961
mov ebp, 0x419b50
mov eax, 0x200
mov dword [esp + 0x10], edi
cmp edi, eax
jbe 0x40481a
mov dword [esp + 0x10], eax
lea eax, [esp + 0x10]
push ebx
push eax
push dword [esp + 0x18]
push ebp
push dword [0x422e08]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x404934
cmp dword [0x422e00], ebx
jne 0x4048a0
push ebp
call fcn.00404333
cmp eax, ebx
pop ecx
je 0x4048dd
mov ecx, dword [0x419338]
cmp eax, edi
mov dword [0x422e00], ecx
jg 0x404957
mov cl, byte [0x419b50]
test cl, 4
je 0x404875
inc byte [0x419340]
cmp byte [0x419d50], 0
jne 0x404961
test cl, 1
je 0x404961
inc byte [0x418ef0]
lea edi, [eax - 4]
cmp dword [esp + 0x10], edi
jbe 0x4048dd
mov dword [esp + 0x10], edi
jmp 0x4048dd
cmp byte [0x419340], 0
jne 0x4048dd
cmp dword [0x41933c], ebx
jne 0x40491e
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [esp + 0x14]
jbe 0x4048dd
push ebx
push 0x404bd7
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
push 0x6f
push dword [0x41bd88]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [0x41933c], eax
cmp edi, dword [0x419b48]
jge 0x4048fd
push dword [esp + 0x10]
push ebp
push dword [0x418ef4]
call fcn.004025f5
add esp, 0xc
mov dword [0x418ef4], eax
mov eax, dword [esp + 0x10]
add dword [0x419338], eax
sub edi, eax
cmp edi, ebx
jg 0x404809
jmp 0x404961
push 0x418ed4
call dword [sym.imp.USER32.dll_DispatchMessageA]
push 1
push ebx
push ebx
push ebx
push 0x418ed4
call dword [sym.imp.USER32.dll_PeekMessageA]
test eax, eax
jne 0x404913
jmp 0x4048dd
mov eax, dword [str.Installer_verification_failed._r_n_r_nThis_could_be_the_result_of_an_incomplete_download__r_na_failing_disk__or__possibly__corruption_from_a_virus._r_n_r_nYou_can_try_to_force_an_install_using_the__NCRC_r_ncommand_line_switch__but_it_is_NOT_recommended_]
mov dword [0x418ed0], eax
mov eax, dword [0x41933c]
cmp eax, ebx
je 0x404a59
push eax
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x404a59
mov eax, dword [str.Installer_verification_failed._r_n_r_nThis_could_be_the_result_of_an_incomplete_download__r_na_failing_disk__or__possibly__corruption_from_a_virus._r_n_r_nYou_can_try_to_force_an_install_using_the__NCRC_r_ncommand_line_switch__but_it_is_NOT_recommended_]
jmp 0x404bcd
mov eax, dword [0x41933c]
cmp eax, ebx
je 0x404971
push eax
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x422e00], ebx
je 0x4049d9
cmp byte [0x418ef0], 0
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
je 0x4049c0
push ebx
push ebx
push dword [0x419338]
push dword [0x422e08]
call edi
lea eax, [esp + 0x10]
push ebx
push eax
lea eax, [esp + 0x1c]
push 4
push eax
push dword [0x422e08]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x404957
mov eax, dword [0x418ef4]
cmp eax, dword [esp + 0x14]
jne 0x404957
push ebx
push ebx
push dword [0x422e00]
push dword [0x422e08]
call edi
call fcn.0040436a
test eax, eax
je 0x4049e3
mov eax, dword [str.Installer_verification_failed._r_n_r_nThis_could_be_the_result_of_an_incomplete_download__r_na_failing_disk__or__possibly__corruption_from_a_virus._r_n_r_nYou_can_try_to_force_an_install_using_the__NCRC_r_ncommand_line_switch__but_it_is_NOT_recommended_]
mov dword [0x418ed0], eax
cmp dword [0x418ed0], ebx
jne 0x404a59
xor eax, eax
cmp dword [0x4225e0], eax
je 0x404a3b
cmp byte [esi], 0x5f
jne 0x404a9e
cmp byte [esi + 1], 0x3d
jne 0x404a9e
lea edi, [esi + 2]
cmp byte [edi], al
je 0x404a9e
and byte [esi - 1], al
push edi
call fcn.004067fc
test eax, eax
pop ecx
je 0x404bc8
mov esi, dword [sym.imp.KERNEL32.dll_lstrcpyA]
push edi
push 0x4211a0
call esi
push edi
push 0x4215a0
call esi
mov eax, dword [0x4225d8]
cmp byte [eax + 0x62], 0
jne 0x404a4f
mov cl, byte [0x419340]
mov byte [eax + 0x62], cl
call fcn.00404c4c
mov dword [0x419d54], eax
mov eax, dword [0x422e08]
pop ebp
cmp eax, 0xffffffff
je 0x404a6b
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [0x418ed0], 0
je 0x404a89
push 0x10
push 0x422600
push dword [0x418ed0]
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
push dword [0x419d54]
call dword [sym.imp.KERNEL32.dll_ExitProcess]
mov edi, dword [sym.imp.KERNEL32.dll_lstrcatA]
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], eax
mov ebx, 0x419349
mov esi, 0x419348
mov ebp, 0x418ef8
push ebx
push 0x7ff
mov byte [0x419348], 0x22
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
push str.ANSISu_.exe
push esi
call edi
push ebx
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x14], 0
jne 0x404ba8
push 0x400
push ebp
push dword [0x41bd88]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x418eed]
push 0x40a2d5
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x404bc8
push 0
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x404ba8
push 0
push ebx
call fcn.004068d8
cmp byte [0x4211a0], 0
pop ecx
pop ecx
je 0x404b47
push 0x4211a0
push ebp
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
jmp 0x404b4e
push ebp
call fcn.0040677e
pop ecx
push ebp
call fcn.004067fc
test eax, eax
pop ecx
je 0x404bc8
push 0x40a400
push esi
mov dword [esp + 0x1c], 1
call edi
push dword [esp + 0x18]
push esi
call edi
push 0x40a3fc
push esi
call edi
push ebp
push esi
call edi
push ebp
push 0x400
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
push ebp
push esi
call fcn.004066ed
pop ecx
test eax, eax
pop ecx
je 0x404b9e
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x404ba8
mov eax, dword [str.Error_initializing_uninstaller]
mov dword [0x418ed0], eax
inc byte [str.ANSISu_.exe]
inc dword [esp + 0x10]
cmp dword [esp + 0x10], 0x1a
jl 0x404abb
cmp dword [esp + 0x14], 0
jne 0x404a59
mov eax, dword [str.Error_initializing_uninstaller]
mov dword [0x418ed0], eax
jmp 0x404a59