Function at 0x4202c0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0x118
mov dword [esp + 8], 0x733e6d49
mov dword [esp + 0xc], 0x77117103
mov dword [esp + 0x10], 0x7b167515
mov dword [esp + 0x14], 0x7f0e7939
mov dword [esp + 0x18], 0x83c67d0c
mov dword [esp + 0x1c], 0x87f281e1
mov dword [esp + 0x20], 0x8baf85e5
lea eax, [esp + 0x24]
mov word [esp + 0x24], 0x8988
mov dword [esp + 0x26], 0
mov dword [esp + 0x2a], 0
mov byte [esp + 0x2e], 0
mov ecx, 0x94bc29ee
nop
nop
nop
nop
movzx edx, byte [esp + ecx + 0x6b43d61a]
mov esi, ecx
and esi, edx
add esi, esi
sub edx, esi
add edx, ecx
mov dword [esp + 0x94], edx
mov edx, dword [esp + 0x94]
add dl, 0x7e
mov byte [esp + ecx + 0x6b43d61a], dl
cmp ecx, 0x94bc2a14
je 0x420393
movzx edx, byte [esp + ecx + 0x6b43d61b]
lea esi, [ecx + 1]
and esi, edx
add esi, esi
sub edx, esi
add edx, ecx
inc edx
mov dword [esp + 0x94], edx
mov edx, dword [esp + 0x94]
add dl, 0x7e
mov byte [esp + ecx + 0x6b43d61b], dl
add ecx, 2
jmp 0x420330
lea ebx, [esp + 0xf6]
lea edx, [esp + 8]
mov ecx, 7
mov edi, ebx
xchg esi, edx
rep movsd dword es:[edi], dword [esi]
xchg esi, edx
lea edi, [esp + 0x112]
mov ecx, 1
xchg esi, eax
rep movsw word es:[edi], word [esi]
xchg esi, eax
lea edi, [esp + 0x68]
push edi
push 0
push 0
push 0xe
push ebx
push 0
call dword [0x4494b8]
mov esi, dword [esp + 0x68]
test esi, esi
jns 0x4203df
mov eax, 0xffffffff
jmp 0x4203e2
lea eax, [esi + esi]
push eax
call fcn.00409370
add esp, 4
push edi
push esi
mov dword [esp + 0xc], eax
push eax
push 0xe
push ebx
push 0
call dword [0x4494b8]
mov dword [esp + 8], 0x13c011f2
mov dword [esp + 0xc], 0x1ff11df1
mov dword [esp + 0x10], 0x1bfb19eb
mov dword [esp + 0x14], 0x27cb25f3
mov dword [esp + 0x18], 0x232021db
lea eax, [esp + 0x1c]
mov dword [esp + 0x1c], 0
mov dword [esp + 0x20], 0
mov word [esp + 0x24], 0
mov ecx, 0xe7468653
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx edx, byte [esp + ecx + 0x18b979b5]
mov esi, ecx
and esi, edx
add esi, esi
sub edx, esi
add edx, ecx
mov dword [esp + 0x94], edx
mov edx, dword [esp + 0x94]
add dl, 0xbb
mov byte [esp + ecx + 0x18b979b5], dl
movzx edx, byte [esp + ecx + 0x18b979b6]
lea esi, [ecx + 1]
and esi, edx
add esi, esi
sub edx, esi
add edx, ecx
inc edx
mov dword [esp + 0x94], edx
mov edx, dword [esp + 0x94]
add dl, 0xbb
mov byte [esp + ecx + 0x18b979b6], dl
add ecx, 2
cmp ecx, 0xe7468671
jne 0x420450
lea edi, [esp + 0xe2]
lea edx, [esp + 8]
mov ecx, 5
xchg esi, edx
rep movsd dword es:[edi], dword [esi]
xchg esi, edx
lea edi, [esp + 0xf6]
xor ecx, ecx
xchg esi, eax
rep movsw word es:[edi], word [esi]
xchg esi, eax
mov eax, dword [esp + 0x68]
mov ecx, eax
and ecx, 0xa
xor eax, 0xa
lea edx, [eax + ecx*2]
dec edx
test edx, edx
jns 0x4204f0
mov eax, 0xffffffff
jmp 0x4204f8
lea eax, [eax + ecx*2]
add eax, eax
add eax, 0xfffffffe
push eax
call fcn.00409370
add esp, 4
mov ebx, eax
mov eax, dword [esp + 4]
movzx ecx, word [eax]
mov eax, ebx
test cx, cx
je 0x420531
mov eax, dword [esp + 4]
lea edx, [eax + 2]
mov eax, ebx
nop
nop
nop
nop
nop
nop
mov word [eax], cx
add eax, 2
movzx ecx, word [edx]
add edx, 2
test cx, cx
jne 0x420520
mov word [eax], 0
movzx ecx, word [esp + 0xe2]
test cx, cx
je 0x420561
lea edx, [esp + 0xe4]
nop
nop
nop
nop
nop
nop
mov word [eax], cx
add eax, 2
movzx ecx, word [edx]
add edx, 2
test cx, cx
jne 0x420550
mov word [eax], 0
lea eax, [esp + 0x90]
push eax
push ebx
call fcn.0043d780
add esp, 8
not eax
shr eax, 0x1f
jmp dword [eax*4 + 0x444ee8]