Function at 0x40435e
Capabilities:
Accept command line arguments
Check os version
Copy file
Delete file
Get common file path
Get file system object information
Set current directory
Set environment variable
Shutdown system
Terminate process

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x30c
mov dword [esp], 0x8001
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
push esi
call dword [sym.imp.KERNEL32.dll_GetVersion]
and eax, 0xbfffffff
cmp ax, 6
mov dword [0x430de0], eax
je 0x4043a9
mov dword [esp], 0
call fcn.00408dad
test eax, eax
push ebx
je 0x4043a9
mov dword [esp], 0xc00
call eax
push ecx
mov ebx, str.UXTHEME
cmp byte [ebx], 0
je 0x4043cc
mov dword [esp], ebx
call fcn.00408d1d
push eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea ebx, [ebx + eax + 1]
push edx
jmp 0x4043ae
mov dword [esp], 0xa
call fcn.00408dad
push ebx
mov dword [esp], 8
call fcn.00408dad
push esi
mov dword [0x430de4], eax
mov dword [esp], 6
call fcn.00408dad
test eax, eax
push edi
je 0x404414
mov dword [esp], 0x1e
call eax
test eax, eax
push ecx
je 0x404414
or dword [0x430de0], 0x40000000
call dword [sym.imp.COMCTL32.DLL_InitCommonControls]
mov dword [esp], 0
call dword [sym.imp.ole32.dll_OleInitialize]
mov dword [0x430d58], eax
lea eax, [ebp - 0x2cc]
push edi
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0x2b4
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov dword [esp], 0x40c43a
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
sub esp, 0x14
mov dword [esp + 4], str.NSIS_Error
mov dword [esp], 0x430e00
call fcn.0040827a
push eax
push eax
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov edi, dword [0x40c8f4]
mov dword [esp + 4], eax
add edi, 0xa000
mov dword [esp], edi
mov dword [ebp - 0x2dc], edi
call fcn.0040827a
push eax
push eax
mov dword [esp], 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [0x430dec], eax
mov eax, dword [0x40c8f4]
push edx
movzx eax, word [eax + 0xa000]
cmp ax, 0x22
jne 0x4044ce
mov edx, dword [0x40c8f4]
add edx, 0xa002
jmp 0x4044d9
mov edx, dword [ebp - 0x2dc]
mov eax, 0x20
mov dword [esp], edx
mov dword [esp + 4], eax
xor edi, edi
call fcn.00407b09
push ebx
push ebx
mov dword [esp], eax
call dword [sym.imp.USER32.dll_CharNextW]
movzx ecx, word [0x40c4be]
mov dword [ebp - 0x2e0], eax
movzx eax, word [0x40c4bc]
movzx edx, word [str.NCRC]
push esi
movzx esi, word [0x40c4c4]
shl ecx, 0x10
or ecx, eax
movzx eax, word [0x40c4ba]
shl esi, 0x10
shl eax, 0x10
or eax, edx
cdq
mov ebx, eax
movzx eax, word [0x40c4c6]
or ecx, edx
mov dword [ebp - 0x2ec], ecx
movzx ecx, word [0x40c4c8]
shl ecx, 0x10
or ecx, eax
movzx eax, word [str.__D]
or esi, eax
mov eax, esi
cdq
mov eax, dword [ebp - 0x2e0]
or ecx, edx
mov dword [ebp - 0x2f0], ecx
cmp word [eax], 0
je 0x40462b
mov cx, word [eax]
cmp cx, 0x20
jne 0x404579
add eax, 2
jmp 0x40456b
cmp cx, 0x22
mov edx, 0x20
jne 0x40458c
add eax, 2
mov edx, 0x22
cmp word [eax], 0x2f
jne 0x40460b
cmp word [eax + 2], 0x53
lea ecx, [eax + 2]
mov dword [ebp - 0x2e8], ecx
jne 0x4045b4
test word [eax + 4], 0xffdf
jne 0x4045b4
mov dword [0x430d40], 1
mov ecx, dword [ebp - 0x2ec]
cmp dword [eax + 6], ecx
jne 0x4045d2
cmp dword [eax + 2], ebx
jne 0x4045d2
test word [eax + 0xa], 0xffdf
mov ecx, 4
cmove edi, ecx
mov ecx, dword [ebp - 0x2f0]
cmp dword [eax + 2], ecx
jne 0x404605
cmp dword [eax - 2], esi
jne 0x404605
mov word [eax - 2], 0
add eax, 6
mov dword [esp + 4], eax
mov eax, dword [0x40c8f4]
add eax, 0xa800
mov dword [esp], eax
call fcn.0040827a
push ecx
push ecx
jmp 0x40462b
mov eax, dword [ebp - 0x2e8]
mov dword [esp + 4], edx
mov dword [esp], eax
call fcn.00407b09
push edx
push edx
cmp word [eax], 0x22
jne 0x404561
add eax, 2
jmp 0x404561
mov eax, dword [0x40c8f4]
mov dword [esp], 0x400
mov esi, dword [sym.imp.KERNEL32.dll_GetTempPathW]
lea ebx, [eax + 0xc800]
mov dword [esp + 4], ebx
call esi
push ecx
push ecx
call fcn.004042bc
test eax, eax
je 0x404682
mov eax, dword [0x40c8f4]
add eax, 0xc000
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push eax
mov dword [esp], edi
xor edi, edi
call fcn.00403f9a
test eax, eax
push edx
mov esi, eax
jne 0x4049a4
jmp 0x40470c
mov dword [esp + 4], 0x3fb
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
push eax
push eax
mov dword [esp + 4], str.Temp
mov dword [esp], ebx
call fcn.004082ac
push eax
push eax
call fcn.004042bc
test eax, eax
jne 0x404654
mov dword [esp + 4], ebx
mov dword [esp], 0x3fc
call esi
push esi
push esi
mov dword [esp + 4], 0x40c45e
mov dword [esp], ebx
call fcn.004082ac
push eax
push eax
mov esi, dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
mov dword [esp + 4], ebx
mov dword [esp], str.TEMP
call esi
push eax
push eax
mov dword [esp + 4], ebx
mov dword [esp], 0x40c470
call esi
push eax
push eax
call fcn.004042bc
test eax, eax
jne 0x404654
mov esi, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x4049a2
cmp dword [0x430dc8], 0
je 0x40498f
mov eax, dword [ebp - 0x2dc]
mov dword [esp + 4], 0
mov dword [esp], eax
call fcn.00407b09
movzx edx, word [0x40c4d2]
push ecx
push ecx
movzx ecx, word [0x40c4d0]
movzx edi, word [0x40c4ce]
shl edx, 0x10
or ecx, edx
movzx edx, word [str.___]
shl edi, 0x10
or edi, edx
mov edx, edi
mov dword [ebp - 0x2e8], edi
sar edx, 0x1f
mov dword [ebp - 0x2e4], edx
mov edx, dword [ebp - 0x2e4]
or edx, ecx
cmp dword [ebp - 0x2dc], eax
ja 0x4047da
cmp dword [eax + 4], edx
je 0x404782
sub eax, 2
jmp 0x404770
cmp dword [eax], edi
jne 0x40477d
lea ebx, [eax + 8]
mov word [eax], 0
mov dword [esp], ebx
call fcn.004089e4
test eax, eax
push edx
jne 0x4047a5
mov esi, str.Error_launching_installer
jmp 0x4049a2
mov eax, dword [0x40c8f4]
mov dword [esp + 4], ebx
add eax, 0xa800
mov dword [esp], eax
call fcn.0040827a
mov eax, dword [0x40c8f4]
push edi
push edi
add eax, 0xb000
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.0040827a
push eax
push eax
jmp 0x40498f
call fcn.00408df9
mov dword [esp + 4], str.nsu
mov edi, eax
mov dword [esp], ebx
call fcn.004082ac
test edi, edi
push esi
push esi
je 0x404809
mov dword [esp + 4], 0x40c482
mov dword [esp], ebx
call fcn.004082ac
push ecx
push ecx
mov dword [esp + 4], str..tmp
mov dword [esp], ebx
call fcn.004082ac
push eax
push eax
mov eax, dword [0x40c8f4]
mov dword [esp], ebx
lea esi, [eax + 0xb800]
mov dword [esp + 4], esi
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
push edx
push edx
je 0x40479b
test edi, edi
mov dword [esp], ebx
je 0x40484b
call fcn.00407904
jmp 0x404850
call fcn.00407998
push eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
push eax
mov eax, dword [0x40c8f4]
cmp word [eax + 0xa800], 0
jne 0x40487d
add eax, 0xa800
mov dword [esp + 4], esi
mov dword [esp], eax
call fcn.0040827a
push eax
push eax
mov eax, dword [ebp - 0x2e0]
mov esi, str.Error_launching_installer
mov dword [esp + 4], eax
mov eax, dword [0x40c8f4]
mov dword [esp], eax
call fcn.0040827a
push eax
push eax
movzx eax, word [0x40c4d8]
movzx edx, word [0x40c4d6]
mov edi, dword [0x40c8f4]
shl eax, 0x10
or eax, edx
mov dword [edi + 0x800], eax
mov edi, 0x1a
mov eax, dword [0x430d60]
mov eax, dword [eax + 0x120]
mov dword [esp], 0x429940
mov dword [esp + 4], eax
call fcn.004083dd
push ecx
push ecx
mov dword [esp], 0x429940
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test esi, esi
push eax
je 0x404968
mov eax, dword [0x40c8f4]
mov dword [esp + 8], 1
mov dword [esp + 4], 0x429940
add eax, 0xd800
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CopyFileW]
sub esp, 0xc
test eax, eax
je 0x404968
mov dword [esp + 4], 0
mov dword [esp], 0x429940
call fcn.00408967
push eax
push eax
mov eax, dword [0x430d60]
mov eax, dword [eax + 0x124]
mov dword [esp], 0x429940
mov dword [esp + 4], eax
call fcn.004083dd
push eax
push eax
mov dword [esp], 0x429940
call fcn.004079c6
test eax, eax
push edx
je 0x404968
mov dword [esp], eax
xor esi, esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push eax
mov eax, dword [0x40c8f4]
inc word [eax + 0x800]
dec edi
jne 0x4048bf
mov dword [esp + 4], 0
mov dword [esp], ebx
call fcn.00408967
push edi
push edi
jmp 0x4049a2
mov dword [0x430d4c], 0xffffffff
call fcn.00406324
mov edi, eax
jmp 0x4049a4
xor edi, edi
call fcn.00404317
call dword [sym.imp.ole32.dll_OleUninitialize]
test esi, esi
mov ebx, dword [sym.imp.KERNEL32.dll_ExitProcess]
je 0x4049d7
mov dword [esp], esi
mov dword [esp + 4], 0x200010
call fcn.00407a9d
push esi
push esi
mov dword [esp], 2
jmp 0x404af7
cmp dword [0x430d34], 0
je 0x404ae9
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
lea edx, [ebp - 0x2d0]
mov dword [esp + 4], 0x28
mov dword [esp], eax
mov dword [esp + 8], edx
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
sub esp, 0xc
test eax, eax
je 0x404a7e
lea eax, [ebp - 0x2c8]
mov dword [esp + 4], str.SeShutdownPrivilege
mov dword [esp], 0
lea esi, [ebp - 0x2cc]
mov dword [esp + 8], eax
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueW]
mov eax, dword [ebp - 0x2d0]
sub esp, 0xc
mov dword [ebp - 0x2cc], 1
mov dword [ebp - 0x2c0], 2
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0
mov dword [esp + 8], esi
mov dword [esp + 4], 0
mov dword [esp], eax
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
sub esp, 0x18
mov dword [esp], 4
call fcn.00408dad
test eax, eax
push ecx
jne 0x404aac
mov dword [esp + 4], 0x80040002
mov dword [esp], 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
push edx
push edx
je 0x404adc
jmp 0x404ae9
mov dword [esp + 0x10], 0x80040002
mov dword [esp + 0xc], 0x25
mov dword [esp + 8], 0
mov dword [esp + 4], 0
mov dword [esp], 0
call eax
sub esp, 0x14
test eax, eax
jne 0x404a8f
mov dword [esp], 9
call fcn.00403b26
push eax
mov eax, dword [0x430d4c]
cmp eax, 0xffffffff
cmovne edi, eax
mov dword [esp], edi
call ebx
nop
nop
nop