Function at 0x41b5b0
Capabilities:
Check os version
Create thread
Resume thread
Set environment variable
Suspend thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4a66cb
mov eax, dword fs:[0]
push eax
sub esp, 0x138
mov eax, dword [0x4d28a0]
xor eax, ebp
mov dword [ebp - 0x44], eax
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
push 3
push 0
call fcn.00469850
add esp, 8
push 0x4d4914
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x20], eax
push 0x4d48f4
mov eax, dword [ebp - 0x20]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x18], 0
je 0x41b618
push 1
push 0x100
call dword [ebp - 0x18]
mov dword [ebp - 0xdc], 0x94
lea ecx, [ebp - 0xdc]
push ecx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0xcc], 2
jne 0x41b641
mov byte [0x4e8479], 1
jmp 0x41b65d
cmp dword [ebp - 0xd8], 4
jne 0x41b658
cmp dword [ebp - 0xd4], 0x5a
jb 0x41b658
call fcn.0041c1a0
call fcn.0041c280
movzx edx, byte [0x4e8479]
test edx, edx
jne 0x41b66e
cli
not esp
not esp
sti
mov eax, dword [0x4e84c0]
mov ecx, dword [0x4e84c0]
mov edx, dword [eax + 0x10]
xor edx, dword [ecx + 0x64]
mov eax, dword [0x4e84c0]
xor edx, dword [eax + 0x30]
and edx, 4
je 0x41b693
mov byte [0x4e8475], 1
mov ecx, dword [0x4e84c0]
mov edx, dword [0x4e84c0]
mov eax, dword [ecx + 0x10]
xor eax, dword [edx + 0x64]
mov ecx, dword [0x4e84c0]
xor eax, dword [ecx + 0x30]
and eax, 0x200
je 0x41b6bc
mov byte [0x4e8477], 1
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edx, dword [0x4e84c0]
mov ecx, dword [0x4e84c0]
mov edx, dword [edx + 0x58]
xor edx, dword [ecx + 0x64]
mov ecx, dword [0x4e84c0]
xor edx, dword [ecx + 0x70]
add eax, edx
mov dword [0x4e8484], eax
mov edx, dword [0x4e84c0]
mov eax, dword [0x4e84c0]
mov ecx, dword [edx + 0x20]
xor ecx, dword [eax + 0x74]
mov edx, dword [0x4e84c0]
xor ecx, dword [edx + 0x30]
add ecx, 0xfff
shr ecx, 0xc
mov dword [0x4e8498], ecx
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x10], 0xffffffff
push 0
call fcn.0041c8e0
add esp, 4
mov esi, eax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
xor esi, eax
mov eax, dword [0x4e84c0]
xor esi, dword [eax + 0x70]
push esi
lea ecx, [ebp - 0xf8]
call fcn.004189d0
lea ecx, [ebp - 0xf8]
call fcn.00418e50
mov dword [ebp - 0x3c], eax
mov dword [ebp - 0xf4], 0xc
mov dword [ebp - 0xf0], 0
mov dword [ebp - 0xec], 1
push 0
push 0x1000
push 0
push 4
lea ecx, [ebp - 0xf4]
push ecx
push 0xffffffffffffffff
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
jne 0x41b79b
xor al, al
jmp 0x41bcf4
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
mov dword [ebp - 0xe4], eax
mov dword [ebp - 0xe8], 0
push 2
push 1
push 0
lea edx, [ebp - 0xe8]
push edx
mov eax, dword [ebp - 0xe4]
push eax
mov ecx, dword [ebp - 0xe4]
push ecx
mov edx, dword [ebp - 0xe4]
push edx
call dword [sym.imp.KERNEL32.dll_DuplicateHandle]
push 0x1000
push 0
push 0
push 2
mov eax, dword [ebp - 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [0x4e8494], eax
movzx ecx, byte [0x4e84fc]
test ecx, ecx
je 0x41b811
lea ecx, [ebp - 0xf8]
call fcn.00418e50
mov dword [ebp - 0x13c], eax
jmp 0x41b81a
mov edx, dword [ebp - 0x3c]
mov dword [ebp - 0x13c], edx
mov eax, dword [0x4e84c0]
mov ecx, dword [ebp - 0x13c]
xor ecx, dword [eax + 0x74]
mov edx, dword [0x4e84c0]
xor ecx, dword [edx + 0x40]
mov eax, dword [0x4e84c0]
xor ecx, dword [eax + 0x54]
mov edx, dword [0x4e84c0]
xor ecx, dword [edx + 0x60]
mov eax, dword [0x4e84c0]
xor ecx, dword [eax + 0x84]
mov edx, dword [0x4e8494]
mov dword [edx], ecx
mov eax, dword [0x4e8494]
mov ecx, dword [ebp - 0xe8]
mov dword [eax + 4], ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov edx, dword [0x4e8494]
mov dword [edx + 8], eax
mov eax, dword [0x4e8494]
mov dword [eax + 0x20], 0
mov ecx, dword [ebp - 0x10]
mov dword [ebp - 0x104], ecx
lea edx, [ebp - 0x104]
push edx
lea eax, [ebp - 0x120]
push eax
call fcn.0041da70
add esp, 8
mov dword [ebp - 0x140], eax
mov ecx, dword [ebp - 0x140]
mov dword [ebp - 0x144], ecx
mov dword [ebp - 4], 0
mov ecx, dword [ebp - 0x144]
call fcn.00414db0
push eax
push 0x4d48f0
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x120]
call fcn.00414d70
xor ecx, ecx
mov eax, dword [0x4e8498]
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00472483
add esp, 4
mov dword [ebp - 0x124], eax
mov eax, dword [ebp - 0x124]
mov dword [0x4e84a0], eax
mov eax, dword [0x4e8498]
shl eax, 4
xor ecx, ecx
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00472483
add esp, 4
mov dword [ebp - 0x128], eax
mov eax, dword [ebp - 0x128]
mov dword [0x4e8480], eax
xor ecx, ecx
mov eax, dword [0x4e8498]
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00472483
add esp, 4
mov dword [ebp - 0x12c], eax
mov eax, dword [ebp - 0x12c]
mov dword [0x4e84a4], eax
xor ecx, ecx
mov eax, dword [0x4e8498]
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00472483
add esp, 4
mov dword [ebp - 0x130], eax
mov eax, dword [ebp - 0x130]
mov dword [0x4e84a8], eax
push 0x1000
call fcn.00472483
add esp, 4
mov dword [ebp - 0x134], eax
mov ecx, dword [ebp - 0x134]
mov dword [0x4e84ac], ecx
xor ecx, ecx
mov eax, dword [0x4e8498]
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00472483
add esp, 4
mov dword [ebp - 0x138], eax
mov eax, dword [ebp - 0x138]
mov dword [0x4e847c], eax
mov ecx, dword [0x4e84c0]
mov edx, dword [ecx + 0x40]
xor edx, dword [ebp - 0x3c]
push edx
lea ecx, [ebp - 0x2c]
call fcn.004189d0
mov dword [ebp - 0xfc], 0
jmp 0x41ba1c
mov eax, dword [ebp - 0xfc]
add eax, 1
mov dword [ebp - 0xfc], eax
mov ecx, dword [0x4e8498]
shl ecx, 4
cmp dword [ebp - 0xfc], ecx
jge 0x41ba76
lea ecx, [ebp - 0x2c]
call fcn.00418e50
mov edx, dword [0x4e84c0]
xor eax, dword [edx + 0x74]
mov ecx, dword [0x4e84c0]
xor eax, dword [ecx + 0x40]
mov edx, dword [0x4e84c0]
xor eax, dword [edx + 0x54]
mov ecx, dword [0x4e84c0]
xor eax, dword [ecx + 0x60]
mov edx, dword [0x4e84c0]
xor eax, dword [edx + 0x84]
mov ecx, dword [ebp - 0xfc]
mov edx, dword [0x4e8480]
mov dword [edx + ecx*4], eax
jmp 0x41ba0d
mov dword [ebp - 0x100], 0
jmp 0x41ba91
mov eax, dword [ebp - 0x100]
add eax, 1
mov dword [ebp - 0x100], eax
mov ecx, dword [ebp - 0x100]
cmp ecx, dword [0x4e8498]
jge 0x41baeb
mov edx, dword [ebp - 0x100]
mov eax, dword [0x4e84a0]
mov dword [eax + edx*4], 0xffffffff
mov ecx, dword [ebp - 0x100]
mov edx, dword [0x4e84a4]
mov dword [edx + ecx*4], 0
mov eax, dword [ebp - 0x100]
mov ecx, dword [0x4e84a8]
mov dword [ecx + eax*4], 0xffffffff
mov edx, dword [ebp - 0x100]
mov eax, dword [0x4e847c]
mov dword [eax + edx*4], 0
jmp 0x41ba82
mov ecx, dword [0x4e8498]
sar ecx, 1
add ecx, 1
mov dword [0x4d0b48], ecx
movzx edx, byte [0x4e8476]
test edx, edx
jne 0x41bb1c
cmp dword [0x4d0b48], 6
jae 0x41bb1a
mov dword [0x4d0b48], 6
jmp 0x41bb2f
cmp dword [0x4d0b48], 0x12
jae 0x41bb2f
mov dword [0x4d0b48], 0x12
push 0x4d48e4
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x40], eax
push 0x4d48d0
mov eax, dword [ebp - 0x40]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x28], eax
push 0x4d48bc
mov ecx, dword [ebp - 0x40]
push ecx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x30], eax
mov edx, dword [0x4e84c0]
mov eax, dword [0x4e84c0]
mov ecx, dword [edx + 4]
xor ecx, dword [eax + 0x64]
mov edx, dword [0x4e84c0]
xor ecx, dword [edx + 0x30]
and ecx, 2
je 0x41bb85
call fcn.0044ea90
mov al, byte [ebp + 8]
push eax
call fcn.0041be90
add esp, 4
movzx ecx, al
test ecx, ecx
jne 0x41bb9f
xor al, al
jmp 0x41bcf4
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov dword [ebp - 0xe0], eax
mov edx, dword [ebp - 0xe0]
mov eax, dword [ebp - 0xe0]
add eax, dword [edx + 0x3c]
mov dword [ebp - 0x38], eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ecx, dword [ebp - 0x38]
add eax, dword [ecx + 0x28]
mov dword [ebp - 0x14], eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edx, dword [ebp - 0x38]
sub eax, dword [edx + 0x34]
mov dword [ebp - 0x24], eax
mov eax, dword [ebp - 0x14]
push eax
push 1
mov ecx, dword [0x4d0b40]
push ecx
call fcn.0041bd10
add esp, 0xc
mov edx, dword [ebp - 0x14]
push edx
mov eax, dword [0x4d0b40]
push eax
call fcn.0041bdf0
add esp, 8
mov ecx, dword [0x4d0b40]
mov edx, dword [ecx + 4]
push edx
call dword [sym.imp.KERNEL32.dll_ResumeThread]
mov eax, dword [0x4d0b40]
mov ecx, dword [eax + 8]
push ecx
call dword [sym.imp.KERNEL32.dll_DebugActiveProcess]
mov dword [ebp - 0x34], eax
mov edx, dword [0x4d0b40]
mov eax, dword [edx + 4]
push eax
call dword [sym.imp.KERNEL32.dll_SuspendThread]
mov ecx, dword [ebp - 0x14]
push ecx
push 0
mov edx, dword [0x4d0b40]
push edx
call fcn.0041bd10
add esp, 0xc
mov eax, dword [0x4d0b40]
mov ecx, dword [eax + 4]
push ecx
mov edx, dword [0x4d0b40]
mov eax, dword [edx + 0xc]
push eax
call fcn.0041b110
add esp, 8
mov dword [ebp - 0x1c], 0
lea ecx, [ebp - 0x1c]
push ecx
push 0
mov edx, dword [0x4d0b40]
mov eax, dword [edx]
push eax
push 0x418630
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
movzx ecx, byte [ebp + 8]
test ecx, ecx
je 0x41bca4
call dword [sym.imp.KERNEL32.dll_FreeConsole]
push 0x4e8448
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
lea edx, [ebp - 0x2c]
push edx
mov eax, dword [ebp - 0x24]
push eax
call fcn.00419030
add esp, 8
movzx ecx, al
test ecx, ecx
jne 0x41bcca
xor al, al
jmp 0x41bcf4
mov edx, dword [0x4e8494]
push edx
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov dword [0x4e8494], 0
mov eax, dword [ebp - 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 0x10], 0xffffffff
mov al, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov ecx, dword [ebp - 0x44]
xor ecx, ebp
call fcn.0047ab62
mov esp, ebp
pop ebp
ret