Function at 0x42550e
Capabilities:
Encode data using xor
Get disk information

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x8c
mov dword [esp], 0x21d227fb
mov dword [esp + 4], 0xddbf23b1
mov dword [esp + 8], 0xd94adf3f
mov dword [esp + 0xc], 0xd54adb1b
mov dword [esp + 0x10], 0xd12ad744
mov dword [esp + 0x14], 0xcd5ed333
mov dword [esp + 0x18], 0xc911cf2f
lea eax, [esp + 0x1c]
mov dword [esp + 0x1c], 0xcbc8
mov ecx, 0x878a7779
mov edx, 0x86
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx edi, byte [esp + ecx + 0x78758887]
mov esi, edx
xor esi, ecx
and esi, edi
xor esi, ecx
mov edi, 0x5d
sub edi, esi
or edi, 1
add edi, esi
mov ebx, esi
and ebx, 1
or esi, 1
sub esi, ebx
lea ebx, [esi + edi*2]
add bl, 0xe8
mov byte [esp + ecx + 0x78758887], bl
inc ecx
dec edx
cmp ecx, 0x878a7799
jne 0x425440
lea ebp, [esp + 0x6e]
mov edx, esp
mov edi, ebp
mov ecx, 7
xchg esi, edx
rep movsd dword es:[edi], dword [esi]
xchg esi, edx
lea edi, [esp + 0x8a]
mov ecx, 1
xchg esi, eax
rep movsw word es:[edi], word [esi]
xchg esi, eax
lea edi, [esp + 0x50]
push edi
push 0
push 0
push 0xe
push ebp
push 0
call dword [0x44cd54]
mov dword [esp], 0xd7969947
mov dword [esp + 4], 0
xor ecx, ecx
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov esi, ecx
and esi, 6
mov edx, ecx
or edx, 0x66
add edx, esi
mov ebx, 0x98
sub ebx, esi
and ebx, 0xffffff84
and edx, 0x6b
or edx, ebx
xor dl, byte [esp + ecx]
xor dl, 0x84
add dl, 2
mov byte [esp + ecx], dl
inc ecx
cmp ecx, 8
jne case.default.0x425507
xor ecx, ecx
cmp eax, dword [esp]
setne cl
xor ebx, ebx
jmp dword [ecx*4 + 0x447594]
mov ebx, dword [esp + 0x50]
test ebx, ebx
jns 0x42551d
mov eax, 0xffffffff
jmp 0x425520
lea eax, [ebx + ebx]
push eax
call fcn.004083b0
add esp, 4
mov esi, eax
push edi
push ebx
push eax
push 0xe
push ebp
push 0
call dword [0x44cd54]
not eax
shr eax, 0x1f
jmp dword [eax*4 + 0x44759c]
xor ebx, ebx
jmp dword [0x4475a4]
push esi
call fcn.004083c0
add esp, 4
xor ebx, ebx
jmp case.0x425507.0
mov eax, dword [esp + 0x50]
mov ecx, eax
add ecx, 9
jns 0x42556f
mov eax, 0xffffffff
jmp 0x425576
lea eax, [eax*2 + 0x12]
push eax
call fcn.004083b0
add esp, 4
mov edi, eax
mov dword [esp], 0x81568720
mov dword [esp + 4], 0x8d2f8323
mov dword [esp + 8], 0x892d8f39
mov dword [esp + 0xc], 0x95258b21
mov dword [esp + 0x10], 0x91969729
xor eax, eax
nop
nop
nop
nop
nop
nop
mov ecx, eax
add cl, 0x61
xor cl, byte [esp + eax]
add cl, 0x1b
mov byte [esp + eax], cl
inc eax
cmp eax, 0x14
jne 0x4255b0
movzx ecx, word [esi]
mov eax, edi
test cx, cx
je 0x4255f1
lea edx, [esi + 2]
mov eax, edi
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov word [eax], cx
add eax, 2
movzx ecx, word [edx]
add edx, 2
test cx, cx
jne 0x4255e0
mov word [eax], 0
movzx ecx, word [esp]
test cx, cx
je 0x425621
lea edx, [esp + 2]
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov word [eax], cx
add eax, 2
movzx ecx, word [edx]
add edx, 2
test cx, cx
jne 0x425610
mov word [eax], 0
lea eax, [esp + 0x68]
push eax
push edi
call fcn.00440590
add esp, 8
not eax
shr eax, 0x1f
jmp dword [eax*4 + 0x4475ac]
mov eax, dword [esp + 0x68]
shr eax, 2
and eax, 4
jmp dword [eax + 0x4475b4]
mov eax, dword [esp + 0x50]
mov ecx, eax
add ecx, 0x25
jns 0x425662
mov eax, 0xffffffff
jmp 0x425669
lea eax, [eax*2 + 0x4a]
push eax
call fcn.004083b0
add esp, 4
mov ebp, eax
mov dword [esp], 0xf949fba8
mov dword [esp + 4], 0xfd5bff67
mov dword [esp + 8], 0xf163f36a
mov dword [esp + 0xc], 0xf567f765
mov dword [esp + 0x10], 0xe97eeb6e
mov dword [esp + 0x14], 0xed47ef44
mov dword [esp + 0x18], 0xe170e373
mov dword [esp + 0x1c], 0xe577e744
mov dword [esp + 0x20], 0xd94fdb6d
mov dword [esp + 0x24], 0xdd6ddf38
mov dword [esp + 0x28], 0xd14dd37b
mov dword [esp + 0x2c], 0xd57ad74c
mov dword [esp + 0x30], 0xc95bcb68
mov dword [esp + 0x34], 0xcd69cf6d
mov dword [esp + 0x38], 0xc122c350
mov dword [esp + 0x3c], 0xc557c77a
mov dword [esp + 0x40], 0xb91ebb58
mov dword [esp + 0x44], 0xbd28bf23
mov dword [esp + 0x48], 0xb1b2b329
mov dword [esp + 0x4c], 0
xor eax, eax
xor ecx, ecx
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx edx, byte [esp + ecx]
mov ebx, ecx
xor ebx, 0x31a3807f
add ebx, eax
xor ebx, edx
mov edx, ebx
and edx, 4
add edx, edx
xor ebx, 0x7b
sub edx, ebx
mov byte [esp + ecx], dl
inc ecx
add eax, 2
cmp ecx, 0x50
jne 0x425720
movzx ecx, word [esi]
mov eax, ebp
test cx, cx
je 0x425771
mov edx, esi
add edx, 2
mov eax, ebp
nop
nop
nop
nop
nop
nop
nop
mov word [eax], cx
add eax, 2
movzx ecx, word [edx]
add edx, 2
test cx, cx
jne 0x425760
mov word [eax], 0
movzx ecx, word [esp]
test cx, cx
je 0x4257a1
lea edx, [esp + 2]
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov word [eax], cx
add eax, 2
movzx ecx, word [edx]
add edx, 2
test cx, cx
jne 0x425790
mov word [eax], 0
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
lea eax, [esp + 0x64]
push eax
push ebp
call fcn.00440590
add esp, 8
not eax
shr eax, 0x1f
xor ebx, ebx
jmp dword [eax*4 + 0x4475bc]
mov eax, ebx
add esp, 0x8c
pop esi
pop edi
pop ebx
pop ebp
ret