Function at 0x40481d
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, 0x420d80
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 [0x420d80], 0x22
jne 0x404863
add bl, 2
mov esi, 0x420d81
mov al, byte [esi]
mov edi, dword [sym.imp.USER32.dll_CharNextA]
test al, al
je 0x40487e
cmp al, bl
je 0x40487e
push esi
call edi
mov esi, eax
mov al, byte [esi]
test al, al
jne 0x40486f
cmp byte [esi], 0
je 0x404888
push esi
call edi
mov esi, eax
mov dword [esp + 0x14], esi
cmp byte [esi], 0x20
jne 0x404898
push esi
call edi
mov esi, eax
jmp 0x40488c
cmp byte [esi], 0x2f
jne 0x4048be
mov dl, byte [esi + 1]
inc esi
cmp dl, 0x53
jne 0x40491b
mov al, byte [esi + 1]
cmp al, 0x20
je 0x4048b1
test al, al
jne 0x40491b
inc byte [0x41933c]
inc esi
inc esi
cmp byte [esi], 0
jne 0x40488c
push str.NSIS_ERROR
push 0x4225e0
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
xor ebx, ebx
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edi, 0x421980
push 0x400
push edi
push eax
mov dword [0x41bd74], eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 3
push 0x80000000
push edi
call fcn.00406a89
add esp, 0xc
cmp eax, 0xffffffff
mov dword [0x422de8], eax
jne 0x404993
mov dword [0x418ec8], str.Cant_open_self
jmp 0x404d58
cmp dl, 0x4e
jne 0x40494e
cmp byte [esi + 1], 0x43
jne 0x40494e
cmp byte [esi + 2], 0x52
jne 0x40494e
cmp byte [esi + 3], 0x43
jne 0x40494e
mov cl, byte [esi + 4]
lea eax, [esi + 4]
cmp cl, 0x20
je 0x404941
test cl, cl
jne 0x40494e
inc byte [0x419d44]
mov esi, eax
jmp 0x4048b9
cmp dl, 0x44
jne 0x40497a
cmp byte [esi + 1], 0x3d
jne 0x40497a
and byte [esi - 2], 0
lea eax, [esi + 2]
push eax
push 0x421180
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
add esi, eax
jmp 0x4048b9
mov al, byte [esi]
test al, al
je 0x4048b9
cmp al, 0x20
je 0x4048b9
push esi
call edi
mov esi, eax
jmp 0x40497a
push ebp
push edi
call fcn.00406943
pop ecx
push ebx
push dword [0x422de8]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, ebx
mov dword [0x419b40], eax
mov edi, eax
jle 0x404ae5
mov ebp, 0x419b44
mov eax, 0x200
mov dword [esp + 0x10], edi
cmp edi, eax
jbe 0x4049cd
mov dword [esp + 0x10], eax
lea eax, [esp + 0x10]
push ebx
push eax
push dword [esp + 0x18]
push ebp
push dword [0x422de8]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x404bc9
cmp dword [0x422de0], ebx
jne 0x404a53
push ebp
call fcn.004044d6
cmp eax, ebx
pop ecx
je 0x404ab1
mov ecx, dword [0x419334]
cmp eax, edi
mov dword [0x422de0], ecx
jg 0x404bec
mov cl, byte [0x419b44]
test cl, 4
je 0x404a28
inc byte [0x41933c]
cmp byte [0x419d44], 0
jne 0x404ae5
test cl, 1
je 0x404ae5
inc byte [0x418eec]
lea edi, [eax - 4]
cmp dword [esp + 0x10], edi
jbe 0x404ab1
mov dword [esp + 0x10], edi
jmp 0x404ab1
cmp byte [0x41933c], 0
jne 0x404ab1
cmp dword [0x419338], ebx
je 0x404a85
push 1
push ebx
push ebx
push ebx
push 0x418ed0
call dword [sym.imp.USER32.dll_PeekMessageA]
test eax, eax
je 0x404ab1
push 0x418ed0
call dword [sym.imp.USER32.dll_DispatchMessageA]
jmp 0x404a64
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [esp + 0x14]
jbe 0x404ab1
push ebx
push 0x404d92
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
push 0x6f
push dword [0x41bd74]
call dword [sym.imp.USER32.dll_CreateDialogParamA]
mov dword [0x419338], eax
cmp edi, dword [0x419b40]
jge 0x404ad1
push dword [esp + 0x10]
push ebp
push dword [0x418ef0]
call fcn.00402637
add esp, 0xc
mov dword [0x418ef0], eax
mov eax, dword [esp + 0x10]
add dword [0x419334], eax
sub edi, eax
cmp edi, ebx
jg 0x4049bc
mov eax, dword [0x419338]
cmp eax, ebx
je 0x404af5
push eax
call dword [sym.imp.USER32.dll_DestroyWindow]
cmp dword [0x422de0], ebx
je 0x404b65
cmp byte [0x418eec], 0
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
je 0x404b4c
push ebx
push ebx
push dword [0x419334]
push dword [0x422de8]
call edi
lea eax, [esp + 0x10]
push ebx
push eax
lea eax, [esp + 0x1c]
push 4
push eax
push dword [0x422de8]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x404bec
mov eax, dword [0x418ef0]
cmp eax, dword [esp + 0x14]
jne 0x404bec
push ebx
push ebx
push dword [0x422de0]
push dword [0x422de8]
call edi
call fcn.0040450d
test eax, eax
je 0x404b6f
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 [0x418ec8], eax
cmp dword [0x418ec8], ebx
jne 0x404d46
xor eax, eax
cmp dword [0x4225c0], eax
je 0x404d28
cmp byte [esi], 0x5f
jne 0x404bf6
cmp byte [esi + 1], 0x3d
jne 0x404bf6
cmp byte [esi + 2], al
lea edi, [esi + 2]
je 0x404bf6
and byte [esi - 1], al
push edi
call fcn.004069c1
test eax, eax
pop ecx
je 0x404d1c
mov esi, dword [sym.imp.KERNEL32.dll_lstrcpyA]
push edi
push 0x421180
call esi
push edi
push 0x421580
call esi
jmp 0x404d28
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 [0x418ec8], eax
mov eax, dword [0x419338]
cmp eax, ebx
je 0x404d46
push eax
call dword [sym.imp.USER32.dll_DestroyWindow]
jmp 0x404d46
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 0x404d21
mov edi, dword [sym.imp.KERNEL32.dll_lstrcatA]
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], eax
mov ebx, 0x419341
mov esi, 0x419340
mov ebp, 0x418ef4
push ebx
push 0x7ff
mov byte [0x419340], 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 0x404d00
push 0x400
push ebp
push dword [0x41bd74]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x418ee9]
push 0x40a2d5
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x404d1c
push 0
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x404d00
push 0
push ebx
call fcn.00406aa3
cmp byte [0x421180], 0
pop ecx
pop ecx
je 0x404c9f
push 0x421180
push ebp
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
jmp 0x404ca6
push ebp
call fcn.00406943
pop ecx
push ebp
call fcn.004069c1
test eax, eax
pop ecx
je 0x404d1c
push 0x40a3fc
push esi
mov dword [esp + 0x1c], 1
call edi
push dword [esp + 0x18]
push esi
call edi
push 0x40a3f8
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.004068b2
pop ecx
test eax, eax
pop ecx
je 0x404cf6
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x404d00
mov eax, dword [str.Error_initializing_uninstaller]
mov dword [0x418ec8], eax
inc byte [str.ANSISu_.exe]
inc dword [esp + 0x10]
cmp dword [esp + 0x10], 0x1a
jl 0x404c13
cmp dword [esp + 0x14], 0
jne 0x404d46
mov eax, dword [str.Error_initializing_uninstaller]
mov dword [0x418ec8], eax
jmp 0x404d46
mov eax, dword [0x4225b8]
cmp byte [eax + 0x62], 0
jne 0x404d3c
mov cl, byte [0x41933c]
mov byte [eax + 0x62], cl
call fcn.00404e07
mov dword [0x419d48], eax
mov eax, dword [0x422de8]
pop ebp
cmp eax, 0xffffffff
je 0x404d58
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [0x418ec8]
pop edi
pop esi
pop ebx
test eax, eax
je 0x404d80
mov ecx, dword [0x4225b8]
cmp byte [ecx + 0x62], 3
je 0x404d80
push 0x10
push 0x4225e0
push eax
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
push dword [0x419d48]
call dword [sym.imp.KERNEL32.dll_ExitProcess]