Function at 0x40366e
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, 0x184
push ebx
push esi
push edi
xor ebx, ebx
push 0x8001
mov dword [esp + 0x18], ebx
mov dword [esp + 0x10], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov dword [esp + 0x20], ebx
mov byte [esp + 0x14], 0x20
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
call dword [sym.imp.KERNEL32.dll_GetVersion]
and eax, 0xbfffffff
cmp ax, 6
mov dword [0x425c4c], eax
je 0x4036c0
push ebx
call fcn.00406b11
cmp eax, ebx
je 0x4036c0
push 0xc00
call eax
mov esi, str.UXTHEME
push esi
call fcn.00406aa3
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea esi, [esi + eax + 1]
cmp byte [esi], bl
jne 0x4036c5
push 0xa
call fcn.00406b11
push 8
call fcn.00406b11
push 6
mov dword [0x425c44], eax
call fcn.00406b11
cmp eax, ebx
je 0x403707
push 0x1e
call eax
test eax, eax
je 0x403707
or byte [0x425c4f], 0x40
push ebp
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov dword [0x425d18], eax
push ebx
lea eax, [esp + 0x38]
push 0x160
push eax
push ebx
push 0x4205e0
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x425440
call fcn.0040652f
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov ebp, 0x42b000
push eax
push ebp
call fcn.0040652f
cmp byte [0x42b000], 0x22
mov dword [0x425c40], 0x400000
mov eax, ebp
jne 0x403771
mov byte [esp + 0x14], 0x22
mov eax, 0x42b001
push dword [esp + 0x14]
push eax
call fcn.00405ef2
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
jmp 0x40384b
cmp cl, 0x20
jne 0x403796
inc eax
cmp byte [eax], 0x20
je 0x403790
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x4037a6
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x40383b
inc eax
cmp byte [eax], 0x53
jne 0x4037cb
mov cl, byte [eax + 1]
cmp cl, 0x20
je 0x4037c1
cmp cl, bl
jne 0x4037cb
mov dword [0x425d00], 1
movsx ecx, byte [0x40a83b]
movsx edx, byte [0x40a83a]
shl ecx, 8
or ecx, edx
movsx edx, byte [0x40a839]
shl ecx, 8
or ecx, edx
movsx edx, byte [str.NCRC]
shl ecx, 8
or ecx, edx
cmp dword [eax], ecx
jne 0x40380b
mov cl, byte [eax + 4]
cmp cl, 0x20
je 0x403806
cmp cl, bl
jne 0x40380b
or dword [esp + 0x20], 4
movsx ecx, byte [0x40a833]
movsx edx, byte [0x40a832]
shl ecx, 8
or ecx, edx
movsx edx, byte [0x40a831]
shl ecx, 8
or ecx, edx
movsx edx, byte [str.__D]
shl ecx, 8
or ecx, edx
cmp dword [eax - 2], ecx
je 0x403857
push dword [esp + 0x14]
push eax
call fcn.00405ef2
cmp byte [eax], 0x22
jne 0x40384b
inc eax
mov cl, byte [eax]
cmp cl, bl
jne 0x40378b
jmp 0x403868
mov byte [eax - 2], bl
add eax, 2
push eax
push 0x42b400
call fcn.0040652f
mov edi, dword [sym.imp.KERNEL32.dll_GetTempPathA]
mov esi, 0x42c400
push esi
push 0x400
call edi
call fcn.0040363d
test eax, eax
jne 0x4038da
push 0x3fb
push esi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push esi
call sub.KERNEL32.dll_lstrcatA
call fcn.0040363d
test eax, eax
jne 0x4038da
push esi
push 0x3fc
call edi
push 0x40a824
push esi
call sub.KERNEL32.dll_lstrcatA
mov edi, dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
push esi
push str.TEMP
call edi
push esi
push 0x40a818
call edi
call fcn.0040363d
test eax, eax
je 0x40398f
push 0x42c000
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push dword [esp + 0x20]
call fcn.004031fb
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x40398f
cmp dword [0x425c60], ebx
je 0x403978
push ebx
push ebp
call fcn.00405ef2
mov edi, eax
cmp edi, ebp
jb 0x403943
movsx eax, byte [0x40a813]
movsx ecx, byte [0x40a812]
shl eax, 8
or eax, ecx
movsx ecx, byte [0x40a811]
shl eax, 8
or eax, ecx
movsx ecx, byte [str.___]
shl eax, 8
or eax, ecx
cmp dword [edi], eax
je 0x403943
dec edi
cmp edi, ebp
jae 0x40393a
cmp edi, ebp
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x4039bb
mov byte [edi], bl
add edi, 4
push edi
call fcn.00405fb5
test eax, eax
je 0x40398f
push edi
push 0x42b400
call fcn.0040652f
push edi
push 0x42b800
call fcn.0040652f
mov dword [esp + 0x10], ebx
or dword [0x425d0c], 0xffffffff
call fcn.00403c58
push 1
mov dword [esp + 0x1c], eax
call fcn.00406832
call fcn.00403b5d
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebx
pop ebp
je 0x403ac3
push 0x200010
push dword [esp + 0x10]
call fcn.00405bf6
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
call fcn.00405b61
push str.nsu
push esi
mov edi, eax
call sub.KERNEL32.dll_lstrcatA
cmp edi, ebx
je 0x4039dc
push 0x40a804
push esi
call sub.KERNEL32.dll_lstrcatA
push str..tmp
push esi
call sub.KERNEL32.dll_lstrcatA
mov ebp, 0x42bc00
push ebp
push esi
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x40398f
cmp edi, ebx
push esi
je 0x403a04
call fcn.00405ac7
jmp 0x403a09
call fcn.00405b44
push esi
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
cmp byte [0x42b400], bl
jne 0x403a23
push ebp
push 0x42b400
call fcn.0040652f
push dword [esp + 0x1c]
push section..ndata
call fcn.0040652f
movsx cx, byte [0x40a7f8]
xor eax, eax
push 0x1a
mov ah, byte [0x40a7f9]
pop ebp
or eax, ecx
mov edi, 0x4201e0
mov word [0x426400], ax
mov eax, dword [0x425c54]
push dword [eax + 0x120]
push edi
call fcn.00406551
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], ebx
je 0x403aae
push 1
push edi
push 0x42cc00
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403aae
push ebx
push edi
call fcn.0040630e
mov eax, dword [0x425c54]
push dword [eax + 0x124]
push edi
call fcn.00406551
push edi
call fcn.00405b79
cmp eax, ebx
je 0x403aae
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebx
inc byte [0x426400]
dec ebp
jne 0x403a51
push ebx
push esi
call fcn.0040630e
jmp 0x40398f
cmp dword [0x425cf4], ebx
je 0x403b45
lea eax, [esp + 0x18]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
push 2
test eax, eax
pop edi
je 0x403b16
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push ebx
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueA]
push ebx
push ebx
lea eax, [esp + 0x28]
push ebx
push eax
push ebx
push dword [esp + 0x2c]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], edi
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
push 4
call fcn.00406b11
cmp eax, ebx
mov esi, 0x80040002
je 0x403b32
push esi
push 0x25
push ebx
push ebx
push ebx
call eax
test eax, eax
je 0x403b3e
push esi
push edi
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x403b45
push 9
call fcn.0040140b
mov eax, dword [0x425d0c]
cmp eax, 0xffffffff
je 0x403b53
mov dword [esp + 0x14], eax
push dword [esp + 0x14]
call dword [sym.imp.KERNEL32.dll_ExitProcess]