Function at 0x42d100
Capabilities:
Check for peb beingdebugged flag
Check mutex on windows
Get number of processors
Query environment variable
Set environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4a848d
mov eax, dword fs:[0]
push eax
sub esp, 0x7f8
mov eax, dword [0x4d28a0]
xor eax, ebp
mov dword [ebp - 0x18], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov byte [ebp - 0xd], 1
call fcn.004700b0
mov eax, dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x14], eax
mov ecx, dword [ebp - 0x14]
add ecx, 1
mov dword [ebp - 0x14], ecx
mov edx, dword [sym.imp.USER32.dll_LoadStringA]
mov dword [ebp - 0x14], edx
mov eax, dword [ebp - 0x14]
add eax, 1
mov dword [ebp - 0x14], eax
mov ecx, dword [sym.imp.USER32.dll_LoadStringW]
mov dword [ebp - 0x14], ecx
mov edx, dword [ebp - 0x14]
add edx, 1
mov dword [ebp - 0x14], edx
push 0x42bf70
call fcn.0047f53e
add esp, 4
mov eax, dword [0x4e8734]
mov ecx, dword [0x4e8734]
mov edx, dword [eax + 0x78]
xor edx, dword [ecx + 0x70]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x4d4ec4
push 0x104
lea eax, [ebp - 0x124]
push eax
call fcn.0047efa8
add esp, 0x14
lea ecx, [ebp - 0x124]
push ecx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
je 0x42d1c4
mov byte [ebp - 0xd], 0
movzx edx, byte [ebp - 0xd]
test edx, edx
je 0x42d399
mov eax, dword [0x4e8734]
mov ecx, dword [0x4e8734]
mov edx, dword [eax + 0x10]
xor edx, dword [ecx + 0x64]
mov eax, dword [0x4e8734]
xor edx, dword [eax + 0x30]
and edx, 0x20
je 0x42d399
mov ecx, dword [0x4e8734]
mov edx, dword [0x4e8734]
mov eax, dword [ecx + 0x88]
xor eax, dword [edx + 0x1c]
mov ecx, dword [0x4e8734]
xor eax, dword [ecx + 0x78]
push eax
push 0x4d4ebc
push 0x104
lea edx, [ebp - 0x124]
push edx
call fcn.0047efa8
add esp, 0x10
lea eax, [ebp - 0x124]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x12c], eax
cmp dword [ebp - 0x12c], 0
je 0x42d399
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x42d399
push 0x7530
mov ecx, dword [ebp - 0x12c]
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov dword [ebp - 0x130], eax
cmp dword [ebp - 0x130], 0
je 0x42d290
cmp dword [ebp - 0x130], 0x80
jne 0x42d38f
mov edx, dword [0x4e8734]
mov eax, dword [0x4e8734]
mov ecx, dword [edx + 0x88]
xor ecx, dword [eax + 0x1c]
mov edx, dword [0x4e8734]
xor ecx, dword [edx + 0x78]
push ecx
push 0x4d4eb4
push 0x104
lea eax, [ebp - 0x124]
push eax
call fcn.0047efa8
add esp, 0x10
mov dword [ebp - 0x138], 0
jmp 0x42d2e2
mov ecx, dword [ebp - 0x138]
add ecx, 1
mov dword [ebp - 0x138], ecx
cmp dword [ebp - 0x138], 0x12c
jge 0x42d31b
lea edx, [ebp - 0x124]
push edx
push 0x4d4ea8
call dword [sym.imp.USER32.dll_FindWindowA]
mov dword [ebp - 0x134], eax
cmp dword [ebp - 0x134], 0
je 0x42d311
jmp 0x42d31b
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x42d2d3
cmp dword [ebp - 0x134], 0
je 0x42d382
mov eax, dword [0x4e8734]
mov ecx, dword [0x4e8734]
mov edx, dword [eax + 0x88]
xor edx, dword [ecx + 0x1c]
mov eax, dword [0x4e8734]
xor edx, dword [eax + 0x78]
mov dword [ebp - 0x144], edx
mov ecx, dword [0x4e84d8]
push ecx
call fcn.0047a530
add esp, 4
add eax, 1
mov dword [ebp - 0x140], eax
mov edx, dword [0x4e84d8]
mov dword [ebp - 0x13c], edx
lea eax, [ebp - 0x144]
push eax
push 0
push 0x4a
mov ecx, dword [ebp - 0x134]
push ecx
call dword [sym.imp.USER32.dll_SendMessageA]
mov edx, dword [ebp - 0x12c]
push edx
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov eax, 1
jmp 0x42d971
push 1
call fcn.0042d990
add esp, 4
movzx eax, byte [ebp - 0xd]
test eax, eax
je 0x42d71f
mov ecx, dword [0x4e8734]
mov edx, dword [0x4e8734]
mov eax, dword [ecx + 0x10]
xor eax, dword [edx + 0x64]
mov ecx, dword [0x4e8734]
xor eax, dword [ecx + 0x30]
and eax, 0x40
jne 0x42d71f
push 0x200
lea edx, [ebp - 0x344]
push edx
push 0x4d4ea0
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
jne 0x42d71f
push 0xc8
push 0x23
lea eax, [ebp - 0x344]
push eax
call fcn.0047b5d0
add esp, 0xc
mov byte [ebp - 0x27c], 0
mov dword [ebp - 0x448], 1
jmp 0x42d42a
mov ecx, dword [ebp - 0x448]
add ecx, 1
mov dword [ebp - 0x448], ecx
cmp dword [ebp - 0x448], 0x40
jg 0x42d469
mov edx, dword [ebp - 0x448]
push edx
push 0x4d4e98
push 0x100
lea eax, [ebp - 0x444]
push eax
call fcn.0047efa8
add esp, 0x10
lea ecx, [ebp - 0x344]
push ecx
lea edx, [ebp - 0x444]
push edx
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
jmp 0x42d41b
mov eax, dword [0x4e8734]
mov ecx, dword [0x4e8734]
mov edx, dword [eax + 0x10]
xor edx, dword [ecx + 0x64]
mov eax, dword [0x4e8734]
xor edx, dword [eax + 0x30]
and edx, 0x10
jne 0x42d71f
lea ecx, [ebp - 0x624]
push ecx
call fcn.004569d0
add esp, 4
mov dword [ebp - 4], 0
lea edx, [ebp - 0x708]
push edx
call fcn.004181f0
add esp, 4
mov dword [ebp - 0x7f8], eax
mov eax, dword [ebp - 0x7f8]
mov dword [ebp - 0x7fc], eax
mov byte [ebp - 4], 1
mov ecx, dword [ebp - 0x7fc]
push ecx
lea ecx, [ebp - 0x4ac]
call fcn.00450a50
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x708]
call fcn.00410630
cmp dword [0x4e84d0], 1
jne 0x42d51c
cmp dword [ebp - 0x618], 0
jne 0x42d51c
lea ecx, [ebp - 0x4ac]
call fcn.00451710
movzx edx, al
test edx, edx
jne 0x42d51c
lea ecx, [ebp - 0x4ac]
call fcn.004512b0
mov dword [ebp - 0x618], eax
push 0
lea eax, [ebp - 0x644]
push eax
call fcn.004562b0
add esp, 8
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x644]
call fcn.0041c620
movzx ecx, al
test ecx, ecx
je 0x42d588
mov dword [ebp - 0x70c], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.00410630
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.004104f0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.0041c120
mov eax, dword [ebp - 0x70c]
jmp 0x42d971
lea edx, [ebp - 0x78c]
push edx
call fcn.00456bf0
add esp, 4
mov dword [ebp - 0x800], eax
mov eax, dword [ebp - 0x800]
mov dword [ebp - 0x804], eax
mov byte [ebp - 4], 5
mov ecx, dword [ebp - 0x804]
push ecx
lea ecx, [ebp - 0x770]
call fcn.00418950
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x644]
call fcn.0041c5e0
push eax
lea ecx, [ebp - 0x7ec]
call fcn.00418950
mov byte [ebp - 4], 7
lea edx, [ebp - 0x4bc]
push edx
lea eax, [ebp - 0x624]
push eax
push 0x4e9290
push 0x4e9290
push 0
push 0
push 0
push 0
lea ecx, [ebp - 0x770]
push ecx
lea edx, [ebp - 0x7ec]
push edx
call fcn.004564d0
add esp, 0x28
neg eax
sbb eax, eax
add eax, 1
mov byte [ebp - 0x70d], al
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x7ec]
call fcn.004104f0
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x770]
call fcn.004104f0
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x78c]
call fcn.00415460
movzx eax, byte [ebp - 0x70d]
test eax, eax
je 0x42d6c8
mov dword [0x4e8610], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x4d4e78
push 0x100
push 0x4e8618
call fcn.0047efa8
add esp, 0x10
mov dword [ebp - 0x7f0], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.00410630
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.004104f0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.0041c120
mov eax, dword [ebp - 0x7f0]
jmp 0x42d971
push 0x2710
mov ecx, dword [ebp - 0x4bc]
push ecx
call dword [sym.imp.USER32.dll_WaitForInputIdle]
mov dword [ebp - 0x7f4], 1
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.00410630
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.004104f0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.0041c120
mov eax, dword [ebp - 0x7f4]
jmp 0x42d971
mov edx, dword [0x4e8734]
mov eax, dword [0x4e8734]
mov ecx, dword [edx + 0x10]
xor ecx, dword [eax + 0x64]
mov edx, dword [0x4e8734]
xor ecx, dword [edx + 0x30]
and ecx, 0x10
je 0x42d8d6
mov eax, dword [0x4e8734]
mov ecx, dword [0x4e8734]
mov edx, dword [eax + 0x78]
xor edx, dword [ecx + 0x70]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x4d4ec4
push 0x104
lea eax, [ebp - 0x124]
push eax
call fcn.0047efa8
add esp, 0x14
lea ecx, [ebp - 0x124]
push ecx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
jne 0x42d8d4
push 1
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov byte [ebp - 0x645], 0
push 0x4d48e4
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x64c], eax
cmp dword [ebp - 0x64c], 0
je 0x42d7f2
push 0x4d4e64
mov edx, dword [ebp - 0x64c]
push edx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x6e8], eax
cmp dword [ebp - 0x6e8], 0
je 0x42d7f2
call dword [ebp - 0x6e8]
test eax, eax
je 0x42d7f2
mov byte [ebp - 0x645], 1
mov dword [ebp - 0x6e4], 0x94
lea eax, [ebp - 0x6e4]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x6d4], 2
jne 0x42d824
mov eax, dword fs:[0x30]
movzx eax, byte [eax + 2]
or al, al
jne 0x42d830
jmp 0x42d837
mov eax, dword fs:[0x20]
or eax, eax
jne 0x42d830
jmp 0x42d837
mov byte [0x4e84fc], 1
movzx ecx, byte [ebp - 0x645]
test ecx, ecx
je 0x42d875
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x4d4e5c
push 0x104
lea edx, [ebp - 0x124]
push edx
call fcn.0047efa8
add esp, 0x10
lea eax, [ebp - 0x124]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
jmp 0x42d8d4
cmp dword [0x4e84d0], 0
sete cl
push ecx
call fcn.0041b5b0
add esp, 4
movzx edx, al
test edx, edx
jne 0x42d8c0
mov dword [0x4e8610], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x4d4e4c
push 0x100
push 0x4e8618
call fcn.0047efa8
add esp, 0x10
xor eax, eax
jmp 0x42d971
push 0
call fcn.0042d990
add esp, 4
mov eax, 1
jmp 0x42d971
jmp 0x42d8f9
mov eax, dword [0x4e8734]
mov ecx, dword [0x4e8734]
mov edx, dword [eax + 4]
xor edx, dword [ecx + 0x64]
mov eax, dword [0x4e8734]
xor edx, dword [eax + 0x30]
and edx, 2
je 0x42d8f9
call fcn.0044ea90
call fcn.0042bfa0
mov dword [ebp - 0x128], eax
push 0
call fcn.0042d990
add esp, 4
push 0
call fcn.0047f53e
add esp, 4
cmp dword [ebp - 0x128], 1
jne 0x42d935
push 0x4e84d0
call dword [0x4e84f8]
add esp, 4
mov dword [ebp - 0x128], eax
push 0x42bf70
call fcn.0047f53e
add esp, 4
cmp dword [0x4e84f4], 0
je 0x42d951
call dword [0x4e84f4]
cmp dword [0x4e8608], 0
je 0x42d96b
push 0
push 0
mov ecx, dword [0x4e8604]
push ecx
call dword [0x4e8608]
mov eax, dword [ebp - 0x128]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x18]
xor ecx, ebp
call fcn.0047ab62
mov esp, ebp
pop ebp
ret