Function at 0x45d5e0
Capabilities:
Encode data using xor
Get disk information
Hash data with md5

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x464da6
mov eax, dword fs:[0]
push eax
sub esp, 0xe8
mov eax, dword [0x47b040]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, dword [ebp + 8]
xor ebx, ebx
mov dword [ebp - 0x14], edi
mov eax, dword [0x474ce0]
mov dword [ebp - 0xa8], eax
mov al, byte [0x474ce4]
mov dword [ebp - 0xa0], 0
mov byte [ebp - 0xa4], al
mov eax, 0x5397829d
mov cl, bl
mul ebx
shr edx, 4
movsx eax, dl
imul eax, eax, 0x31
sub cl, al
add cl, 0x30
xor byte [ebp + ebx - 0xa8], cl
inc ebx
cmp ebx, 5
jl 0x45d636
push 0
push 0
push 0
push 0
lea eax, [ebp - 0xa0]
push eax
push 0
push 0
lea eax, [ebp - 0xa8]
push eax
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
lea eax, [ebp - 0xf4]
push eax
call fcn.0045f440
mov dword [ebp - 0x14], eax
mov dword [ebp - 4], 0
lea esi, [ebp - 0x1b]
mov ebx, dword [ebp - 0xa0]
nop dword [eax]
mov eax, 0xcccccccd
dec esi
mul ebx
shr edx, 3
mov al, dl
shl al, 2
lea ecx, [eax + edx]
add cl, cl
sub bl, cl
add bl, 0x30
mov byte [esi], bl
mov ebx, edx
test ebx, ebx
jne 0x45d6a0
push ecx
lea eax, [ebp - 0x1b]
push eax
push esi
lea ecx, [ebp - 0xdc]
call fcn.00418870
mov byte [ebp - 4], 1
lea eax, [ebp - 0xdc]
push dword [ebp - 0x14]
lea ecx, [ebp - 0xc0]
push eax
push dword [ebp - 0xa7]
call fcn.00461270
mov byte [ebp - 4], 2
lea eax, [ebp - 0xc0]
cmp dword [ebp - 0xac], 0xf
lea ecx, [ebp - 0x9c]
push dword [ebp - 0xb0]
cmova eax, dword [ebp - 0xc0]
push eax
mov byte [ebp - 0x9c], bl
mov dword [ebp - 0x58], ebx
mov dword [ebp - 0x54], ebx
mov dword [ebp - 0x50], 0x67452301
mov dword [ebp - 0x4c], 0xefcdab89
mov dword [ebp - 0x48], 0x98badcfe
mov dword [ebp - 0x44], 0x10325476
call fcn.00401990
cmp byte [ebp - 0x9c], bl
jne 0x45d811
xor ecx, ecx
lea edx, [ebp - 0x57]
movzx eax, byte [edx - 1]
lea edx, [edx + 4]
mov byte [ebp + ecx - 0x18], al
movzx eax, byte [edx - 4]
mov byte [ebp + ecx - 0x17], al
movzx eax, byte [edx - 3]
mov byte [ebp + ecx - 0x16], al
movzx eax, byte [edx - 2]
mov byte [ebp + ecx - 0x15], al
add ecx, 4
cmp ecx, 8
jb 0x45d755
mov edx, dword [ebp - 0x58]
mov ecx, 0x78
shr edx, 3
mov eax, 0x38
and edx, 0x3f
sub ecx, edx
sub eax, edx
cmp edx, 0x38
cmovae eax, ecx
lea ecx, [ebp - 0x9c]
push eax
push 0x47b0a8
call fcn.00401990
push 8
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 0x9c]
call fcn.00401990
xor ecx, ecx
lea edx, [ebp - 0x4f]
movzx eax, byte [edx - 1]
lea edx, [edx + 4]
mov byte [ebp + ecx - 0x40], al
movzx eax, byte [edx - 4]
mov byte [ebp + ecx - 0x3f], al
movzx eax, byte [edx - 3]
mov byte [ebp + ecx - 0x3e], al
movzx eax, byte [edx - 2]
mov byte [ebp + ecx - 0x3d], al
add ecx, 4
cmp ecx, 0x10
jb 0x45d7c4
push 0x40
lea eax, [ebp - 0x9b]
push 0
push eax
call sub.VCRUNTIME140.dll_memset
xorps xmm0, xmm0
mov byte [ebp - 0x9c], 1
add esp, 0xc
movq qword [ebp - 0x58], xmm0
push edi
lea ecx, [ebp - 0x9c]
call fcn.00401a40
mov ecx, dword [ebp - 0xac]
cmp ecx, 0xf
jbe 0x45d859
mov edx, dword [ebp - 0xc0]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x45d84f
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x45d84f
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push ecx
push edx
call fcn.004617c7
add esp, 8
mov ecx, dword [ebp - 0xc8]
mov dword [ebp - 0xb0], 0
mov dword [ebp - 0xac], 0xf
mov byte [ebp - 0xc0], 0
cmp ecx, 0xf
jbe 0x45d8aa
mov edx, dword [ebp - 0xdc]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x45d8a0
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x45d8d6
push ecx
push edx
call fcn.004617c7
add esp, 8
mov ecx, dword [ebp - 0xe0]
cmp ecx, 0xf
jbe 0x45d8e6
mov edx, dword [ebp - 0xf4]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x45d8dc
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x45d8dc
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push ecx
push edx
call fcn.004617c7
add esp, 8
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00461666
mov esp, ebp
pop ebp
ret 4