Function at 0x4d7910
Capabilities:
Encode data using xor
Hash data with crc32
Read file on windows

Disassembly:
push 0xffffffffffffffff
push 0x60ced7
mov eax, dword fs:[0]
push eax
sub esp, 0x438
mov eax, dword [0x6963f4]
xor eax, esp
mov dword [esp + 0x434], eax
push ebx
push ebp
push esi
push edi
mov eax, dword [0x6963f4]
xor eax, esp
push eax
lea eax, [esp + 0x44c]
mov dword fs:[0], eax
mov eax, dword [esp + 0x464]
mov ebp, dword [esp + 0x460]
mov ebx, ecx
xor edi, edi
mov dword [esp + 0x20], ebx
mov dword [esp + 0x30], ebp
mov esi, edx
mov dword [esp + 0x14], eax
mov dword [esp + 0x1c], edi
call fcn.005a0cad
mov dword [esp + 0x24], edi
call fcn.004242c0
test ebp, ebp
mov dword [esp + 0x28], edi
je 0x4d7a25
push esi
lea ecx, [esp + 0x44]
call fcn.00404e10
mov esi, eax
push ebp
lea ecx, [esp + 0x3c]
mov dword [esp + 0x458], edi
call fcn.00404e10
push esi
push eax
lea ecx, [esp + 0x44]
push ecx
mov byte [esp + 0x460], 1
call fcn.00404940
mov eax, dword [eax]
push 0x641fa4
push eax
call fcn.0059f606
mov ebp, eax
mov eax, dword [esp + 0x50]
add eax, 0xfffffff0
add esp, 0x14
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x4d79ec
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov byte [esp + 0x454], 0
mov eax, dword [esp + 0x38]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4d7a14
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov dword [esp + 0x454], 0xffffffff
mov eax, dword [esp + 0x40]
jmp 0x4d7a99
lea ecx, [ebx + 0x98]
push ecx
lea edx, [ebx + 0x94]
push edx
lea eax, [esp + 0x3c]
push eax
call fcn.00404940
push str..exe
push eax
lea ecx, [esp + 0x58]
push ecx
mov dword [esp + 0x46c], 2
call fcn.00401be0
mov eax, dword [eax]
push 0x641fa4
push eax
call fcn.0059f606
mov ebp, eax
mov eax, dword [esp + 0x64]
add eax, 0xfffffff0
add esp, 0x20
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x4d7a8a
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov dword [esp + 0x454], 0xffffffff
mov eax, dword [esp + 0x34]
add eax, 0xfffffff0
or edx, 0xffffffff
lea ecx, [eax + 0xc]
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4d7ab5
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
test ebp, ebp
je 0x4d7c5b
mov eax, dword [esp + 0x14]
test eax, eax
je 0x4d7b0b
push 0x641fa4
push eax
call fcn.0059f606
add esp, 8
test eax, eax
mov dword [esp + 0x28], eax
je 0x4d7b0b
push 2
mov esi, eax
push 0
push esi
call fcn.005a1be7
push esi
call fcn.005a1e04
cdq
and edx, 0x3ff
add eax, edx
push 0
mov edi, eax
push 0
sar edi, 0xa
push esi
add edi, 1
call fcn.005a1be7
add esp, 0x1c
push 2
push 0
push ebp
call fcn.005a1be7
push ebp
call fcn.005a1e04
cdq
and edx, 0x3ff
add eax, edx
push 0
mov esi, eax
push 0
sar esi, 0xa
push ebp
add esi, 1
call fcn.005a1be7
add edi, esi
lea ecx, [edi*4]
push ecx
mov dword [esp + 0x3c], edi
call fcn.005a0b1e
add esp, 0x20
xor ebx, ebx
test esi, esi
mov dword [esp + 0x24], eax
jle 0x4d7bc5
mov edi, eax
mov dword [esp + 0x14], esi
mov ebx, esi
push 0x400
lea edx, [esp + 0x4c]
push 0
push edx
call fcn.005a3bb0
push ebp
push 0x400
lea eax, [esp + 0x5c]
push 1
push eax
mov dword [edi], 0
call fcn.005a210e
mov esi, eax
add esp, 0x1c
xor edx, edx
test esi, esi
jle 0x4d7bb3
movzx eax, byte [esp + edx + 0x48]
mov ecx, dword [edi]
xor eax, ecx
and eax, 0xff
shr ecx, 8
xor ecx, dword [eax*4 + 0x69d9b0]
add edx, 1
cmp edx, esi
mov dword [edi], ecx
jl 0x4d7b92
add edi, 4
sub dword [esp + 0x14], 1
jne 0x4d7b5e
mov eax, dword [esp + 0x24]
mov edi, dword [esp + 0x1c]
cmp ebx, edi
mov dword [esp + 0x1c], edi
jge 0x4d7c3d
lea esi, [eax + ebx*4]
mov eax, edi
sub eax, ebx
mov dword [esp + 0x14], eax
push 0x400
lea ecx, [esp + 0x4c]
push 0
push ecx
call fcn.005a3bb0
mov ebx, dword [esp + 0x34]
push ebx
push 0x400
lea edx, [esp + 0x5c]
push 1
push edx
mov dword [esi], 0
call fcn.005a210e
mov edi, eax
add esp, 0x1c
xor edx, edx
test edi, edi
jle 0x4d7c31
movzx eax, byte [esp + edx + 0x48]
mov ecx, dword [esi]
xor eax, ecx
and eax, 0xff
shr ecx, 8
xor ecx, dword [eax*4 + 0x69d9b0]
add edx, 1
cmp edx, edi
mov dword [esi], ecx
jl 0x4d7c10
add esi, 4
sub dword [esp + 0x14], 1
jne 0x4d7bd8
jmp 0x4d7c41
mov ebx, dword [esp + 0x28]
push ebp
call fcn.0059f7da
add esp, 4
test ebx, ebx
je 0x4d7c57
push ebx
call fcn.0059f7da
add esp, 4
mov ebx, dword [esp + 0x20]
mov eax, dword [esp + 0x30]
test eax, eax
je 0x4d7ccb
push eax
lea ecx, [esp + 0x38]
call fcn.00404e10
push str..xxx
push eax
lea ecx, [esp + 0x38]
push ecx
mov dword [esp + 0x460], 3
call fcn.00401be0
mov eax, dword [eax]
push 0x641fa4
push eax
call fcn.0059f606
mov esi, eax
mov eax, dword [esp + 0x44]
add eax, 0xfffffff0
add esp, 0x14
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x4d7cba
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov dword [esp + 0x454], 0xffffffff
mov eax, dword [esp + 0x34]
jmp 0x4d7d3f
lea ecx, [ebx + 0x98]
push ecx
add ebx, 0x94
lea edx, [esp + 0x18]
push ebx
push edx
call fcn.00404940
push str..xxx
push eax
lea eax, [esp + 0x34]
push eax
mov dword [esp + 0x46c], 4
call fcn.00401be0
mov eax, dword [eax]
push 0x641fa4
push eax
call fcn.0059f606
mov esi, eax
mov eax, dword [esp + 0x40]
add eax, 0xfffffff0
add esp, 0x20
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4d7d30
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov dword [esp + 0x454], 0xffffffff
mov eax, dword [esp + 0x14]
add eax, 0xfffffff0
or edx, 0xffffffff
lea ecx, [eax + 0xc]
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4d7d5b
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
test esi, esi
je 0x4d7dfa
push 2
push 0
push esi
call fcn.005a1be7
push esi
call fcn.005a1e04
push 0
push 0
push esi
mov ebp, eax
call fcn.005a1be7
lea ecx, [ebp + 1]
push ecx
call fcn.005a0b1e
push esi
push ebp
mov edi, eax
push 1
push edi
call fcn.005a210e
push esi
mov byte [edi + ebp], 0
call fcn.0059f7da
mov esi, dword [esp + 0x58]
add esp, 0x34
test esi, esi
je 0x4d7dcb
test edi, edi
je 0x4d7dcb
call fcn.004f9470
test eax, eax
jge 0x4d7e09
push eax
call fcn.0042f3f0
push edi
call fcn.005a01b3
push esi
call fcn.005a01b3
add esp, 0xc
call fcn.005a0cad
mov ecx, dword [esp + 0x44c]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x434]
xor ecx, esp
call fcn.0059e0c2
add esp, 0x444
ret 0xc
mov edx, dword [esp + 0x24]
push edx
call fcn.005a01b3
add esp, 4
jmp 0x4d7dcb
push 0
lea eax, [esp + 0x1c]
push 0xcb
push eax
call fcn.004f6930
mov ecx, dword [esp + 0x28]
mov eax, dword [esp + 0x24]
lea edx, [ecx*4]
push edx
push esi
push eax
call fcn.004f6cc0
mov ecx, dword [esp + 0x30]
push 0
push esi
push ecx
call fcn.004f6cc0
push esi
call fcn.005a01b3
lea edx, [esp + 0x54]
push str.HPHS_0
push edx
call fcn.004d3670
add esp, 0x30
test eax, eax
jne 0x4d7e72
mov eax, dword [esp + 0x18]
push eax
call fcn.004f6950
push edi
call fcn.005a01b3
add esp, 8
jmp 0x4d7dcb
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x2c]
push ecx
push edx
push edi
call fcn.005c8db0
add esp, 0xc
test eax, eax
je 0x4d7eb6
push 0x6b3
push eax
call fcn.0042f3f0
mov eax, dword [esp + 0x20]
push eax
call fcn.004f6950
mov ecx, dword [esp + 0x38]
push ecx
call fcn.004f6950
push edi
call fcn.005a01b3
add esp, 0x14
jmp 0x4d7dcb
mov edx, dword [esp + 0x18]
push edx
call fcn.004f6950
mov eax, dword [esp + 0x30]
push eax
call fcn.004f6950
add esp, 8
test eax, eax
jge 0x4d7eda
push eax
call fcn.0042f3f0
add esp, 4
call fcn.004f9570
test eax, eax
jge 0x4d7eec
push eax
call fcn.0042f3f0
add esp, 4
push edi
call fcn.005a01b3
mov eax, dword [esp + 0x460]
add esp, 4
jmp 0x4d7dd0