Function at 0xaa8538
Capabilities:
Create thread
Hide graphical window
Log keystrokes via polling
Set environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x148
mov dword [ebp - 0x108], 0xad16c8
mov dword [ebp - 4], 0xad16ac
mov al, byte [ebp + 0x14]
mov byte [0xad763c], al
mov cl, byte [ebp + 0x10]
mov byte [0xad763d], cl
mov edx, dword [ebp + 8]
mov dword [0xad7628], edx
mov eax, dword [ebp + 0xc]
mov dword [0xad7624], eax
mov ecx, dword [ebp + 0x18]
and ecx, 0xff
test ecx, ecx
je 0xaa85eb
mov edx, dword [ebp + 0x14]
and edx, 0xff
test edx, edx
jne 0xaa85eb
mov byte [0xad7649], 1
call dword [sym.imp.KERNEL32.dll_GetTickCount]
add eax, 0xfa
mov dword [ebp - 0x114], eax
push 0xad7640
push 0
push 0
push 0xaa8a79
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
xor eax, eax
mov al, byte [0xad7649]
test eax, eax
je 0xaa85e1
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 0x114]
jae 0xaa85e1
push 1
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0xaa85be
mov eax, 1
jmp 0xaa8839
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
mov dword [0xad7640], eax
xor ecx, ecx
mov cl, byte [0xad7648]
test ecx, ecx
jne 0xaa86bd
mov dword [ebp - 0x13c], 0
mov dword [ebp - 0x138], 0xaa883d
mov dword [ebp - 0x134], 0
mov dword [ebp - 0x130], 0
mov edx, dword [0xad7618]
mov dword [ebp - 0x12c], edx
mov dword [ebp - 0x128], 0
xor eax, eax
mov al, byte [0xad763c]
neg eax
sbb eax, eax
and al, 0xfe
add eax, 0x7f02
push eax
push 0
call dword [sym.imp.USER32.dll_LoadCursorA]
mov dword [ebp - 0x124], eax
mov dword [ebp - 0x120], 0
mov dword [ebp - 0x11c], 0
mov ecx, dword [ebp + 0x14]
and ecx, 0xff
test ecx, ecx
je 0xaa8691
mov edx, dword [ebp - 4]
mov dword [ebp - 0x144], edx
jmp 0xaa869d
mov eax, dword [ebp - 0x108]
mov dword [ebp - 0x144], eax
mov ecx, dword [ebp - 0x144]
mov dword [ebp - 0x118], ecx
lea edx, [ebp - 0x13c]
push edx
call dword [sym.imp.USER32.dll_RegisterClassA]
mov byte [0xad7648], 1
mov eax, dword [ebp + 0x14]
and eax, 0xff
test eax, eax
je 0xaa86ff
mov dword [ebp - 0x140], 0
jmp 0xaa86e4
mov ecx, dword [ebp - 0x140]
add ecx, 1
mov dword [ebp - 0x140], ecx
cmp dword [ebp - 0x140], 0x100
jge 0xaa86ff
mov edx, dword [ebp - 0x140]
push edx
call dword [sym.imp.USER32.dll_GetAsyncKeyState]
jmp 0xaa86d5
push 0
call dword [sym.imp.USER32.dll_GetSystemMetrics]
sub eax, dword [0xad7628]
cdq
sub eax, edx
sar eax, 1
mov dword [ebp - 0x110], eax
push 1
call dword [sym.imp.USER32.dll_GetSystemMetrics]
sub eax, dword [0xad7624]
cdq
sub eax, edx
sar eax, 1
mov dword [ebp - 0x10c], eax
mov eax, dword [ebp + 0x14]
and eax, 0xff
test eax, eax
je 0xaa8748
mov ecx, dword [ebp - 4]
mov dword [ebp - 0x148], ecx
jmp 0xaa8754
mov edx, dword [ebp - 0x108]
mov dword [ebp - 0x148], edx
push 0
mov eax, dword [0xad7618]
push eax
push 0
push 0
mov ecx, dword [0xad7624]
push ecx
mov edx, dword [0xad7628]
push edx
mov eax, dword [ebp - 0x10c]
push eax
mov ecx, dword [ebp - 0x110]
push ecx
xor edx, edx
mov dl, byte [0xad763c]
neg edx
sbb edx, edx
and edx, 0xf8000000
add edx, 0x8000000
or edx, 0x80000000
push edx
push 0
mov eax, dword [ebp - 0x148]
push eax
mov ecx, dword [ebp + 0x10]
and ecx, 0xff
neg ecx
sbb ecx, ecx
and ecx, 0xffffff88
add ecx, 0x80
push ecx
call dword [sym.imp.USER32.dll_CreateWindowExA]
mov dword [0xad7630], eax
push 4
mov edx, dword [0xad7630]
push edx
call dword [sym.imp.USER32.dll_ShowWindow]
mov eax, dword [0xad7630]
push eax
call dword [sym.imp.USER32.dll_UpdateWindow]
mov ecx, dword [ebp + 0x14]
and ecx, 0xff
test ecx, ecx
je 0xaa8801
push 0
push 0x64
push 2
mov edx, dword [0xad7630]
push edx
call dword [sym.imp.USER32.dll_SetTimer]
mov eax, dword [0xad7630]
push eax
push 0xad1580
lea ecx, [ebp - 0x104]
push ecx
call fcn.00aba301
add esp, 0xc
lea edx, [ebp - 0x104]
push edx
push 0xad169c
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
mov byte [0xad7649], 0
mov eax, dword [0xad7630]
mov esp, ebp
pop ebp
ret