Function at 0x451ac0
Capabilities:
Encode data using xor
Get disk information
Hash data with md5

Disassembly:
push ebp
lea ebp, [esp - 0xc8]
sub esp, 0xc8
push 0xffffffffffffffff
push 0x457bad
mov eax, dword fs:[0]
push eax
sub esp, 0x20
mov eax, dword [0x46b040]
xor eax, ebp
mov dword [ebp + 0xc4], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, dword [ebp + 0xd0]
xor ebx, ebx
mov dword [ebp + 0xc0], edi
mov eax, dword [0x4659e4]
mov dword [ebp + 0x9c], eax
mov al, byte [0x4659e8]
mov dword [ebp - 0x10], 0
mov byte [ebp + 0xa0], al
mov eax, 0x8d3dcb09
mov cl, bl
mul ebx
shr edx, 5
movsx eax, dl
imul eax, eax, 0x3a
sub cl, al
add cl, 0x39
xor byte [ebp + ebx + 0x9c], cl
inc ebx
cmp ebx, 5
jl 0x451b24
push 0
push 0
push 0
push 0
lea eax, [ebp - 0x10]
push eax
push 0
push 0
lea eax, [ebp + 0x9c]
push eax
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
lea eax, [ebp]
push eax
call fcn.00453b30
mov dword [ebp + 0xc0], eax
mov dword [ebp - 4], 0
lea esi, [ebp + 0xb9]
mov ebx, dword [ebp - 0x10]
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 0x451b84
push ecx
lea eax, [ebp + 0xb9]
push eax
push esi
lea ecx, [ebp + 0x18]
call fcn.00414900
mov byte [ebp - 4], 1
lea eax, [ebp + 0x18]
push dword [ebp + 0xc0]
lea ecx, [ebp - 0x28]
push eax
push dword [ebp + 0x9d]
call fcn.00455480
mov byte [ebp - 4], 2
lea eax, [ebp - 0x28]
cmp dword [ebp - 0x14], 0xf
lea ecx, [ebp + 0x30]
push dword [ebp - 0x18]
cmova eax, dword [ebp - 0x28]
push eax
mov byte [ebp + 0x30], bl
mov dword [ebp + 0x74], ebx
mov dword [ebp + 0x78], ebx
mov dword [ebp + 0x7c], 0x67452301
mov dword [ebp + 0x80], 0xefcdab89
mov dword [ebp + 0x84], 0x98badcfe
mov dword [ebp + 0x88], 0x10325476
call fcn.00401960
cmp byte [ebp + 0x30], bl
jne 0x451d03
xor ecx, ecx
lea edx, [ebp + 0x75]
nop word [eax + eax]
movzx eax, byte [edx - 1]
lea edx, [edx + 4]
mov byte [ebp + ecx + 0xbc], al
movzx eax, byte [edx - 4]
mov byte [ebp + ecx + 0xbd], al
movzx eax, byte [edx - 3]
mov byte [ebp + ecx + 0xbe], al
movzx eax, byte [edx - 2]
mov byte [ebp + ecx + 0xbf], al
add ecx, 4
cmp ecx, 8
jb 0x451c30
mov edx, dword [ebp + 0x74]
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 + 0x30]
push eax
push 0x46b098
call fcn.00401960
push 8
lea eax, [ebp + 0xbc]
push eax
lea ecx, [ebp + 0x30]
call fcn.00401960
xor ecx, ecx
lea edx, [ebp + 0x7d]
nop dword [eax + eax]
movzx eax, byte [edx - 1]
lea edx, [edx + 4]
mov byte [ebp + ecx + 0x8c], al
movzx eax, byte [edx - 4]
mov byte [ebp + ecx + 0x8d], al
movzx eax, byte [edx - 3]
mov byte [ebp + ecx + 0x8e], al
movzx eax, byte [edx - 2]
mov byte [ebp + ecx + 0x8f], al
add ecx, 4
cmp ecx, 0x10
jb 0x451cb0
push 0x40
lea eax, [ebp + 0x31]
push 0
push eax
call sub.VCRUNTIME140.dll_memset
xorps xmm0, xmm0
mov byte [ebp + 0x30], 1
add esp, 0xc
movq qword [ebp + 0x74], xmm0
push edi
lea ecx, [ebp + 0x30]
call fcn.00401a00
mov ecx, dword [ebp - 0x14]
cmp ecx, 0xf
jbe 0x451d42
mov edx, dword [ebp - 0x28]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x451d38
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x451d38
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push ecx
push edx
call fcn.00455883
add esp, 8
mov ecx, dword [ebp + 0x2c]
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x14], 0xf
mov byte [ebp - 0x28], 0
cmp ecx, 0xf
jbe 0x451d84
mov edx, dword [ebp + 0x18]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x451d7a
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x451daa
push ecx
push edx
call fcn.00455883
add esp, 8
mov ecx, dword [ebp + 0x14]
cmp ecx, 0xf
jbe 0x451dba
mov edx, dword [ebp]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x451db0
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x451db0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push ecx
push edx
call fcn.00455883
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 + 0xc4]
xor ecx, ebp
call fcn.00455723
lea esp, [ebp + 0xc8]
pop ebp
ret 4