Function at 0x4035de
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:
sub esp, 0x2d4
push ebx
push esi
push edi
push 0x20
pop edi
xor ebx, ebx
push 0x8001
mov dword [esp + 0x14], ebx
mov dword [esp + 0x10], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov dword [esp + 0x1c], ebx
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
call dword [sym.imp.KERNEL32.dll_GetVersion]
and eax, 0xbfffffff
cmp ax, 6
mov dword [0x7a8aac], eax
je 0x40362e
push ebx
call fcn.00406937
cmp eax, ebx
je 0x40362e
push 0xc00
call eax
mov esi, str.UXTHEME
push esi
call fcn.004068c7
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esi + eax + 1]
cmp byte [esi], 0
jne 0x403633
push 0xb
call fcn.00406937
push 9
call fcn.00406937
push 7
mov dword [0x7a8aa4], eax
call fcn.00406937
cmp eax, ebx
je 0x403676
push 0x1e
call eax
test eax, eax
je 0x403676
or byte [0x7a8aaf], 0x40
push ebp
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov dword [0x7a8b78], eax
push ebx
lea eax, [esp + 0x34]
push 0x2b4
push eax
push ebx
push 0x79ff48
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
push str.NSIS_Error
push 0x7a7aa0
call fcn.00406542
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov ebp, 0x7b3000
push eax
push ebp
call fcn.00406542
cmp word [0x7b3000], 0x22
mov dword [0x7a8aa0], 0x400000
mov eax, ebp
jne 0x4036df
push 0x22
mov eax, 0x7b3002
pop edi
push edi
push eax
call fcn.00405e44
push eax
call dword [sym.imp.USER32.dll_CharNextW]
mov ecx, eax
mov dword [esp + 0x18], ecx
mov ax, word [ecx]
cmp ax, bx
je 0x403810
push 0x20
pop ebx
cmp ax, bx
jne 0x40370e
inc ecx
inc ecx
cmp word [ecx], bx
je 0x403707
cmp word [ecx], 0x22
jne 0x403719
inc ecx
push 0x22
inc ecx
pop ebx
cmp word [ecx], 0x2f
jne 0x4037dc
inc ecx
inc ecx
cmp word [ecx], 0x53
jne 0x403744
mov ax, word [ecx + 2]
cmp ax, 0x20
je 0x40373a
test ax, ax
jne 0x403744
mov dword [0x7a8b60], 1
movzx eax, word [0x40a37e]
cdq
shld edx, eax, 0x10
shl eax, 0x10
mov edi, eax
xor esi, esi
movzx eax, word [0x40a37c]
cdq
movzx edx, word [str.NCRC]
or edi, eax
movzx eax, word [0x40a37a]
shl eax, 0x10
or eax, edx
cdq
or esi, eax
mov eax, dword [ecx]
or edi, edx
cmp eax, esi
jne 0x40379a
mov eax, dword [ecx + 4]
cmp eax, edi
jne 0x40379a
mov ax, word [ecx + 8]
cmp ax, 0x20
je 0x403795
test ax, ax
jne 0x40379a
or dword [esp + 0x1c], 4
movzx eax, word [0x40a372]
cdq
shld edx, eax, 0x10
shl eax, 0x10
mov edi, eax
xor esi, esi
movzx eax, word [0x40a370]
cdq
movzx edx, word [str.__D]
or edi, eax
movzx eax, word [0x40a36e]
shl eax, 0x10
or eax, edx
cdq
or esi, eax
mov eax, dword [ecx - 4]
or edi, edx
cmp eax, esi
jne 0x4037dc
mov eax, dword [ecx]
cmp eax, edi
je 0x4037fb
push ebx
push ecx
call fcn.00405e44
mov ecx, eax
cmp word [ecx], 0x22
jne 0x4037ed
inc ecx
inc ecx
mov ax, word [ecx]
test ax, ax
jne 0x4036ff
jmp 0x40380e
and word [ecx - 4], 0
add ecx, 4
push ecx
push 0x7b3800
call fcn.00406542
xor ebx, ebx
mov edi, dword [sym.imp.KERNEL32.dll_GetTempPathW]
mov esi, 0x7b5800
push esi
push 0x400
call edi
call fcn.004035ad
test eax, eax
jne 0x403882
push 0x3fb
push esi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
push str.Temp
push esi
call sub.KERNEL32.dll_lstrcatW
call fcn.004035ad
test eax, eax
jne 0x403882
push esi
push 0x3fc
call edi
push 0x40a358
push esi
call sub.KERNEL32.dll_lstrcatW
mov edi, dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push esi
push str.TEMP
call edi
push esi
push 0x40a344
call edi
call fcn.004035ad
test eax, eax
je 0x40394d
push 0x7b5000
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push dword [esp + 0x1c]
call fcn.00403068
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x40394d
cmp dword [0x7a8ac0], ebx
je 0x40393d
push ebx
push ebp
call fcn.00405e44
mov edi, eax
cmp edi, ebp
jb 0x403907
movzx eax, word [0x40a33e]
cdq
shld edx, eax, 0x10
shl eax, 0x10
mov ebx, eax
movzx eax, word [0x40a33c]
movzx ecx, word [str.___]
cdq
or ebx, eax
movzx eax, word [0x40a33a]
shl eax, 0x10
or eax, ecx
xor ecx, ecx
cdq
or ecx, eax
mov eax, ebx
or eax, edx
mov edx, dword [edi]
cmp edx, ecx
jne 0x4038ff
mov edx, dword [edi + 4]
cmp edx, eax
je 0x403905
dec edi
dec edi
cmp edi, ebp
jae 0x4038f2
xor ebx, ebx
cmp edi, ebp
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x403979
mov word [edi], bx
add edi, 8
push edi
call fcn.00405f1f
test eax, eax
je 0x40394d
push edi
push 0x7b3800
call fcn.00406542
push edi
push 0x7b4000
call fcn.00406542
mov dword [esp + 0x10], ebx
or dword [0x7a8b6c], 0xffffffff
call fcn.00403c11
mov dword [esp + 0x14], eax
call fcn.00403b1f
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebx
pop ebp
je 0x403a83
push 0x200010
push dword [esp + 0x10]
call fcn.00405ba8
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
call fcn.00405b13
push 0x40a32c
push esi
mov edi, eax
call sub.KERNEL32.dll_lstrcatW
cmp edi, ebx
je 0x40399a
push 0x40a328
push esi
call sub.KERNEL32.dll_lstrcatW
push str..tmp
push esi
call sub.KERNEL32.dll_lstrcatW
mov ebp, 0x7b4800
push ebp
push esi
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
je 0x40394d
cmp edi, ebx
push esi
je 0x4039c2
call fcn.00405a79
jmp 0x4039c7
call fcn.00405af6
push esi
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
cmp word [0x7b3800], bx
jne 0x4039e2
push ebp
push 0x7b3800
call fcn.00406542
push dword [esp + 0x18]
push section..ndata
call fcn.00406542
movzx eax, word [0x40a316]
movzx ecx, word [0x40a314]
shl eax, 0x10
or eax, ecx
push 0x1a
mov dword [0x7a9800], eax
pop ebp
mov edi, 0x79f748
mov eax, dword [0x7a8ab4]
push dword [eax + 0x120]
push edi
call fcn.0040657f
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
cmp dword [esp + 0x10], ebx
je 0x403a6d
push 1
push edi
push 0x7b6800
call dword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
je 0x403a6d
push ebx
push edi
call fcn.00406308
mov eax, dword [0x7a8ab4]
push dword [eax + 0x124]
push edi
call fcn.0040657f
push edi
call fcn.00405b2b
cmp eax, ebx
je 0x403a6d
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebx
inc word [0x7a9800]
dec ebp
jne 0x403a10
push ebx
push esi
call fcn.00406308
jmp 0x40394d
cmp dword [0x7a8b54], ebx
je 0x403b07
lea eax, [esp + 0x14]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
test eax, eax
je 0x403ad7
lea eax, [esp + 0x20]
push eax
push str.SeShutdownPrivilege
push ebx
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueW]
push ebx
push ebx
lea eax, [esp + 0x24]
push ebx
push eax
push ebx
push dword [esp + 0x28]
mov dword [esp + 0x34], 1
mov dword [esp + 0x40], 2
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
push 4
call fcn.00406937
cmp eax, ebx
mov esi, 0x80040002
je 0x403af3
push esi
push 0x25
push ebx
push ebx
push ebx
call eax
test eax, eax
je 0x403b00
push esi
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x403b07
push 9
call fcn.0040140b
mov eax, dword [0x7a8b6c]
cmp eax, 0xffffffff
je 0x403b15
mov dword [esp + 0x10], eax
push dword [esp + 0x10]
call dword [sym.imp.KERNEL32.dll_ExitProcess]