Function at 0x4026f0
Capabilities:
Query or enumerate registry value

Disassembly:
sub esp, 0x20c
push esi
push edi
mov ecx, 0x80
xor eax, eax
lea edi, [esp + 0x14]
xor esi, esi
rep stosd dword es:[edi], eax
lea eax, [esp + 8]
mov dword [esp + 8], esi
push eax
push 0xf003f
push esi
push str.SYSTEMCurrentControlSetControlClass36FC9E60_C465_11CF_8056_444553540000
push 0x80000002
mov dword [esp + 0x20], 0x200
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
je 0x402753
mov eax, dword [0x40cb74]
test eax, eax
je 0x402748
push str.Failed_to_open_key_n
call fcn.00402fb0
add esp, 4
pop edi
xor eax, eax
pop esi
add esp, 0x20c
ret
lea ecx, [esp + 0xc]
lea edx, [esp + 0x14]
push ecx
mov ecx, dword [esp + 0xc]
lea eax, [esp + 0x14]
push edx
push eax
push 0
push str.LowerFilters
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x40279d
cmp dword [esp + 0x10], 7
jne 0x40279d
mov edx, dword [esp + 0x218]
lea eax, [esp + 0x14]
push edx
push eax
call fcn.004028a0
add esp, 8
test al, al
je 0x40279d
mov esi, 1
mov eax, dword [esp + 8]
test eax, eax
je 0x4027ac
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [0x40cb74]
test eax, eax
je 0x4027c3
push esi
push str.blFilterExisted___d_n
call fcn.00402fb0
add esp, 8
mov eax, esi
pop edi
pop esi
add esp, 0x20c
ret

Function at 0x4027d0
Capabilities:
Check os version

Disassembly:
sub esp, 0x94
push edi
mov ecx, 0x25
xor eax, eax
lea edi, [esp + 4]
rep stosd dword es:[edi], eax
lea eax, [esp + 4]
mov dword [esp + 4], 0x94
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
mov edi, dword [esp + 8]
cmp edi, 5
pop edi
setne al
dec eax
and eax, 2
add esp, 0x94
ret

Function at 0x402980
Capabilities:
Query or enumerate registry value

Disassembly:
sub esp, 0x20c
lea eax, [esp]
mov dword [esp + 4], 0x200
push eax
push 0x20019
push 0
push str.SYSTEMCurrentControlSetControl
push 0x80000002
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
je 0x4029b7
xor eax, eax
add esp, 0x20c
ret
lea ecx, [esp + 4]
push esi
lea edx, [esp + 0x10]
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp + 0x10]
push edx
push eax
push 0
push str.SystemStartOptions
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
lea edx, [esp + 0x10]
push str.MININT
push edx
call dword [sym.imp.SHLWAPI.dll_StrStrIA]
mov esi, eax
mov eax, dword [esp + 4]
neg esi
sbb esi, esi
neg esi
test eax, eax
je 0x402a00
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
pop esi
add esp, 0x20c
ret

Function at 0x402c70
Capabilities:
Create thread

Disassembly:
push ecx
lea eax, [esp]
push edi
mov edi, dword [esp + 0xc]
push eax
push 0
push edi
push 0x402d40
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
test eax, eax
mov dword [esp + 0xc], eax
je 0x402ccc
push ebx
mov ebx, dword [sym.imp.USER32.dll_FindWindowA]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_Sleep]
push esi
xor esi, esi
mov ecx, dword [edi]
push ecx
push 0
call ebx
test eax, eax
mov dword [edi + 0x10], eax
jne 0x402cbe
push 0x64
call ebp
inc esi
cmp esi, 0x32
jl 0x402ca6
mov edx, dword [esp + 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop esi
pop ebp
pop ebx
pop edi
pop ecx
ret