Function at 0x427920
Capabilities:
Encode data using xor

Disassembly:
mov bh, 0x2d
cmp al, bl
mov byte [ebp - 0x20], al
je 0x4194b7
fiadd dword [eax + 0x14]
inc eax
mov bl, 0xdd
invalid
mov esp, 0xbdb78950
pop ebp
adc bh, byte [ebx]
cmp dword [ebx], edx
ja 0x419486
and dword [ebx], 0x84d8ca00
jae 0x4194f5
fadd dword [ebx + esi*2 + 0x22860f74]
push 0xfffffffffffffff4
jbe 0xf4abbaa9
hlt
pop ecx
add al, 0xb0
add dword [edx], 0x2d
jp 0x4194a7
clc
add dh, byte [edx]
fisttp dword [eax]
je 0x4194af
lahf
sbb ah, ch
add esi, dword [esi + 0x6a]
lcall 0xe44f, 0x7a89ea6e
popfd
and al, bh
push esi
or al, 0xe8
jmp 0x41947d
push cs
insb byte es:[edi], dx
movzx edx, byte [esi]
ja 0x4194d7
xchg esi, eax
js 0x4194a4
pop ss
cmp al, 0x5b
pop ss
mov esi, 0x13205013
sub eax, 0xc9c0bc6e
inc edi
mov ch, byte [edx]
test dword [ebx - 0x1a87f93d], edi
push 0xe80dfde9
push eax
mov cl, 0x1b
sbb eax, 0xd6ba16ff
sbb ebx, dword [0xd6ba16ff]
jbe 0x41946d
cmp byte [ebp - 0x7a], 0x6d
insd dword es:[edi], dx
fdiv dword [ebp - 0x71]
xor eax, 0x27825449
test byte [edx + 0x29], ch
cmp esi, eax
pop ebx
mov dword [esp + esi*2 + 0x20], ebp
or eax, 0x9b6c170c
and byte [0x9b6c170c], cl
pushal
sbb byte [edx - 0x19], al
cmpsd dword [esi], dword es:[edi]
pop ecx
movsd dword es:[edi], dword [esi]
mov esp, dword [edx]
rcr byte [ebx], 1
xor al, 0x90
nop
call 0xa91ebd68
xor byte [esi + 0x3e], dh
cld
pop eax
salc
shr byte [edx - 0x4c], 1
mov esi, 0x2c798d88
or dword [ebp + 0x65], ebp
or byte [ebx - 0x3735515b], dh
js 0x4194e2
int 0xe
outsb dx, byte [esi]
movsd dword es:[edi], dword [esi]
push bx
scasd eax, dword es:[edi]
cmovnp edi, dword [ebx + ebx*2 - 0x54]
fcomp dword [edx - 0x32049b92]
bound eax, qword [esp + 0x6a]
cmpsd dword [esi], dword es:[edi]
fmul st(4)
sub al, 0x45
mov al, 0x49
push eax
sbb ch, byte [ebx]
int3
pushal
mov esi, section.UPX1
lea edi, [esi - 0x17000]
push edi
jmp 0x42793a
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x427941
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x427930
mov eax, 1
add ebx, ebx
jne 0x427953
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x427948
jne 0x427964
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x427948
xor ecx, ecx
sub eax, 3
jb 0x427978
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x4279ea
mov ebp, eax
add ebx, ebx
jne 0x427983
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x427990
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x4279b4
inc ecx
add ebx, ebx
jne 0x4279a0
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x427995
jne 0x4279b1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x427995
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x4279d4
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x4279c5
jmp 0x427936
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x4279d4
add edi, ecx
jmp 0x427936
pop esi
mov edi, esi
mov ecx, 0xa57
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x4279f2
cmp byte [edi], 0x12
jne 0x4279f2
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x4279f7
lea edi, [esi + 0x25000]
mov eax, dword [edi]
or eax, eax
je 0x427a6f
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x29f0c]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x29fec]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x427a24
mov ecx, edi
jns 0x427a53
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x29ff4]
or eax, eax
je 0x427a69
mov dword [ebx], eax
add ebx, 4
jmp 0x427a41
call dword [esi + 0x29ff0]
mov ebp, dword [esi + 0x29ff8]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x17f]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x427aa3
sub esp, 0xffffff80
jmp 0x41942f