Function at 0x42ab80
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x5b8
mov eax, dword [0x588790]
xor eax, ebp
mov dword [ebp - 8], eax
mov eax, dword [ebp + 0xc]
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, dword [ebp + 0x10]
push edi
xor edi, edi
mov dword [ebp - 0x5b8], ebx
mov dword [ebp - 0x5a8], ecx
cmp dword [ebx + 0x14], edi
je 0x42abca
mov eax, 0x40000
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.00503edf
mov esp, ebp
pop ebp
ret 0xc
cmp byte [ebx + 0x2c], 0
je 0x42abe8
mov eax, 0x50000
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.00503edf
mov esp, ebp
pop ebp
ret 0xc
mov dword [ebp - 0x5b4], edi
cmp dword [ebx], edi
je 0x42ac01
cmp esi, 4
je 0x42ac01
mov dword [ebp - 0x5b4], 0xc
lea edx, [ebp - 0x23c]
sub edx, eax
lea esp, [esp]
movzx ecx, word [eax]
mov word [edx + eax], cx
add eax, 2
cmp cx, di
jne 0x42ac10
cmp word [ebp - 0x23c], di
je 0x42ad09
lea eax, [ebp - 0x23c]
cmp word [eax], 0x5c
jne 0x42ac40
mov edx, 0x2f
mov word [eax], dx
add eax, 2
cmp word [eax], di
jne 0x42ac32
cmp esi, 4
sete dl
mov byte [ebp - 0x5a1], dl
test dl, dl
je 0x42ac82
lea eax, [ebp - 0x23c]
lea esi, [eax + 2]
mov cx, word [eax]
add eax, 2
cmp cx, di
jne 0x42ac61
sub eax, esi
sar eax, 1
cmp word [ebp + eax*2 - 0x23e], 0x2f
mov byte [ebp - 0x5a0], 1
jne 0x42ac89
mov byte [ebp - 0x5a0], 0
mov dword [ebp - 0x5b0], 8
test dl, dl
jne 0x42aca6
lea edx, [ebp - 0x23c]
call fcn.00429f70
test al, al
je 0x42acac
mov dword [ebp - 0x5b0], edi
mov eax, dword [ebp + 0x10]
cmp eax, 2
jne 0x42acc3
mov eax, dword [ebp - 0x5a8]
mov esi, ebx
call fcn.0042a5e0
jmp 0x42ad2d
cmp eax, 1
jne 0x42acd6
mov ecx, dword [ebp - 0x5a8]
push ebx
call fcn.0042a670
jmp 0x42ad2d
cmp eax, 3
jne 0x42ad21
mov eax, dword [ebp - 0x5a8]
mov dword [ebx + 0x7c], edi
mov dword [ebx + 0x84], eax
mov byte [ebx + 0x80], 0
mov dword [ebx + 0x78], edi
mov dword [ebx + 0x90], edi
mov dword [ebx + 0x74], edi
mov dword [ebx + 0x88], edi
mov dword [ebx + 0x8c], edi
mov eax, 0x10000
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.00503edf
mov esp, ebp
pop ebp
ret 0xc
cmp eax, 4
jne 0x42ad09
mov esi, ebx
call fcn.0042a7d0
cmp eax, edi
jne 0x42ad0e
push edi
push edi
push 0x104
lea ecx, [ebp - 0x454]
push ecx
push 0xffffffffffffffff
lea edx, [ebp - 0x23c]
push edx
push edi
push 0xfde9
mov dword [ebp - 0x240], edi
mov byte [ebp - 0x564], 0
call dword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
lea eax, [ebp - 0x454]
lea edx, [eax + 1]
lea ebx, [ebx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x42ad70
sub eax, edx
mov dword [ebp - 0x584], eax
cmp byte [ebp - 0x5a0], cl
je 0x42ada9
lea edi, [ebp - 0x454]
dec edi
mov edi, edi
mov al, byte [edi + 1]
inc edi
test al, al
jne 0x42ad90
mov ax, word [0x537530]
mov word [edi], ax
inc dword [ebp - 0x584]
xor edi, edi
xor ecx, ecx
mov word [ebp - 0x572], cx
mov ecx, dword [ebx + 0x68]
mov eax, 8
mov byte [ebp - 0x350], 0
mov dword [ebp - 0x458], edi
mov dword [ebp - 0x578], edi
mov dword [ebp - 0x24c], 1
mov dword [ebp - 0x244], edi
mov dword [ebp - 0x59c], 0x140b17
mov dword [ebp - 0x594], ecx
mov dword [ebp - 0x590], edi
mov word [ebp - 0x598], ax
cmp dword [ebx], edi
je 0x42ae13
cmp byte [ebp - 0x5a1], 0
jne 0x42ae13
mov eax, 9
mov word [ebp - 0x598], ax
mov word [ebp - 0x570], ax
mov eax, dword [ebp - 0x5b0]
mov word [ebp - 0x596], ax
cmp eax, edi
jne 0x42ae40
mov eax, dword [ebx + 0x70]
cmp eax, edi
jl 0x42ae40
add eax, dword [ebp - 0x5b4]
mov dword [ebp - 0x58c], eax
jmp 0x42ae46
mov dword [ebp - 0x58c], edi
mov eax, dword [ebx + 0x70]
mov edx, dword [ebx + 0x4c]
mov esi, dword [ebx + 0x58]
mov dword [ebp - 0x588], eax
mov eax, dword [ebx + 0x18]
add eax, dword [ebx + 0x10]
mov dword [ebp - 0x56c], edx
mov dword [ebp - 0x568], eax
movzx eax, byte [ebx + 0x58]
xor ecx, ecx
mov byte [ebp - 0x17], al
mov eax, dword [ebx + 0x5c]
mov word [ebp - 0x574], cx
lea ecx, [ebp - 0x1c]
mov dword [ebp - 0x460], ecx
lea edx, [ebp - 0x34]
mov dword [ebp - 0x45c], edx
mov edx, eax
mov ecx, esi
shrd ecx, edx, 8
sar edx, 8
mov edx, eax
mov byte [ebp - 0x16], cl
mov ecx, esi
shrd ecx, edx, 0x10
sar edx, 0x10
mov dl, byte [ebx + 0x50]
mov byte [ebp - 0x13], dl
mov byte [ebp - 0x15], cl
mov ecx, esi
mov esi, dword [ebx + 0x50]
shrd ecx, eax, 0x18
sar eax, 0x18
mov eax, dword [ebx + 0x54]
mov edi, eax
mov edx, esi
shrd edx, edi, 8
mov byte [ebp - 0x12], dl
sar edi, 8
mov edi, eax
mov edx, esi
shrd edx, edi, 0x10
mov byte [ebp - 0x11], dl
mov edx, esi
mov esi, dword [ebx + 0x60]
shrd edx, eax, 0x18
sar eax, 0x18
movzx eax, byte [ebx + 0x60]
mov byte [ebp - 0x10], dl
sar edi, 0x10
mov byte [ebp - 0xf], al
mov eax, dword [ebx + 0x64]
mov edi, eax
mov edx, esi
shrd edx, edi, 8
mov byte [ebp - 0xe], dl
sar edi, 8
mov edi, eax
mov edx, esi
shrd edx, edi, 0x10
mov byte [ebp - 0xd], dl
mov edx, esi
shrd edx, eax, 0x18
mov dword [ebp - 0x1c], 0xd5455
sar eax, 0x18
mov eax, dword [ebp - 0x1c]
mov byte [ebp - 0x18], 7
mov byte [ebp - 0xc], dl
mov edx, dword [ebp - 0x18]
sar edi, 0x10
mov dword [ebp - 0x34], eax
mov esi, ebx
lea edi, [ebp - 0x59c]
mov dword [ebp - 0x580], 0x11
mov dword [ebp - 0x57c], 9
mov byte [ebp - 0x14], cl
mov dword [ebp - 0x30], edx
mov byte [ebp - 0x2c], cl
mov byte [ebp - 0x32], 5
call fcn.00429490
test eax, eax
je 0x42af7d
call fcn.0042a9a0
mov eax, 0x400
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.00503edf
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebp - 0x580]
mov ecx, dword [ebp - 0x584]
lea edx, [eax + ecx + 0x1e]
add dword [ebx + 0x18], edx
cmp dword [ebx + 0x14], 0
je 0x42afb1
call fcn.0042a9a0
mov eax, dword [ebx + 0x14]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.00503edf
mov esp, ebp
pop ebp
ret 0xc
lea esi, [ebx + 0x30]
mov dword [ebx + 0x34], 0x23456789
mov dword [ebx + 0x38], 0x34567890
mov ebx, dword [ebx]
mov dword [esi], 0x12345678
test ebx, ebx
je 0x42afe0
mov edi, edi
mov cl, byte [ebx]
test cl, cl
je 0x42afe0
mov edx, esi
call fcn.00429f20
inc ebx
jne 0x42afd0
cmp byte [0x58f514], 0
jne 0x42b002
call dword [sym.imp.USER32.dll_GetDesktopWindow]
mov edi, eax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
xor edi, eax
push edi
call fcn.005078b4
add esp, 4
xor edi, edi
call fcn.005078c6
sar eax, 7
mov byte [ebp + edi - 0x28], al
inc edi
cmp edi, 0xc
jl 0x42b004
mov eax, dword [ebp - 0x594]
mov edi, dword [esi + 4]
mov ecx, dword [esi]
shr eax, 8
xor edx, edx
mov byte [ebp - 0x1d], al
mov eax, dword [esi + 8]
mov dword [ebp - 0x5a8], edx
mov dword [ebp - 0x5ac], edi
mov dl, byte [ebp + edx - 0x28]
movsx edx, dl
xor edx, ecx
and edx, 0xff
mov edi, ecx
mov ecx, dword [edx*4 + 0x537ed0]
shr edi, 8
xor ecx, edi
movzx edi, cl
add edi, dword [ebp - 0x5ac]
mov ebx, eax
imul edi, edi, 0x8088405
and ebx, 0xfffd
or ebx, 2
inc edi
mov edx, edi
shr edx, 0x18
xor edx, eax
shr eax, 8
mov dword [esi], ecx
mov dword [esi + 4], edi
and edx, 0xff
xor eax, dword [edx*4 + 0x537ed0]
mov edx, ebx
xor edx, 1
imul edx, ebx
mov ebx, dword [ebp - 0x5a8]
shr edx, 8
xor dl, byte [ebp + ebx - 0x28]
mov dword [esi + 8], eax
mov byte [ebp + ebx - 0x28], dl
mov edx, ebx
movzx ebx, byte [ebp + edx - 0x27]
mov byte [ebp - 0x5a0], bl
mov ebx, eax
and ebx, 0xfffd
or ebx, 2
mov dword [ebp - 0x5a8], ebx
movsx ebx, byte [ebp - 0x5a0]
xor ebx, ecx
and ebx, 0xff
mov ebx, dword [ebx*4 + 0x537ed0]
shr ecx, 8
xor ebx, ecx
movzx ecx, bl
add ecx, edi
imul ecx, ecx, 0x8088405
inc ecx
mov dword [esi], ebx
mov edi, ecx
shr edi, 0x18
xor edi, eax
shr eax, 8
mov dword [ebp - 0x5ac], ebx
and edi, 0xff
mov dword [esi + 4], ecx
xor eax, dword [edi*4 + 0x537ed0]
mov edi, eax
mov eax, dword [ebp - 0x5a8]
mov ebx, eax
xor ebx, 1
imul ebx, eax
shr ebx, 8
xor bl, byte [ebp - 0x5a0]
mov eax, edi
mov byte [ebp + edx - 0x27], bl
mov bl, byte [ebp + edx - 0x26]
and eax, 0xfffd
or eax, 2
mov byte [ebp - 0x5a0], bl
mov dword [ebp - 0x5a8], eax
mov eax, dword [ebp - 0x5ac]
movsx ebx, bl
xor ebx, eax
shr eax, 8
and ebx, 0xff
mov dword [ebp - 0x5ac], eax
mov dword [esi + 8], edi
mov eax, dword [ebx*4 + 0x537ed0]
xor eax, dword [ebp - 0x5ac]
mov dword [ebp - 0x5ac], eax
mov dword [esi], eax
movzx eax, al
add eax, ecx
imul eax, eax, 0x8088405
inc eax
mov ecx, eax
shr ecx, 0x18
xor ecx, edi
mov dword [esi + 4], eax
and ecx, 0xff
shr edi, 8
xor edi, dword [ecx*4 + 0x537ed0]
mov ecx, dword [ebp - 0x5a8]
mov ebx, ecx
xor ebx, 1
imul ebx, ecx
shr ebx, 8
xor bl, byte [ebp - 0x5a0]
mov ecx, edi
mov byte [ebp + edx - 0x26], bl
mov bl, byte [ebp + edx - 0x25]
mov byte [ebp - 0x5a0], bl
and ecx, 0xfffd
movsx ebx, bl
or ecx, 2
mov dword [ebp - 0x5a8], ecx
mov ecx, dword [ebp - 0x5ac]
xor ebx, ecx
and ebx, 0xff
shr ecx, 8
mov dword [esi + 8], edi
mov dword [ebp - 0x5ac], ecx
mov ecx, dword [ebx*4 + 0x537ed0]
xor ecx, dword [ebp - 0x5ac]
add edx, 4
movzx ebx, cl
add eax, ebx
imul eax, eax, 0x8088405
inc eax
mov dword [esi + 4], eax
mov dword [ebp - 0x5ac], eax
shr eax, 0x18
xor eax, edi
and eax, 0xff
shr edi, 8
mov dword [esi], ecx
xor edi, dword [eax*4 + 0x537ed0]
mov eax, edi
mov edi, dword [ebp - 0x5a8]
mov ebx, edi
xor ebx, 1
imul ebx, edi
shr ebx, 8
xor bl, byte [ebp - 0x5a0]
mov dword [esi + 8], eax
mov byte [ebp + edx - 0x29], bl
mov dword [ebp - 0x5a8], edx
cmp edx, 0xc
jl 0x42b038
mov ebx, dword [ebp - 0x5b8]
xor esi, esi
cmp dword [ebx], esi
je 0x42b295
cmp byte [ebp - 0x5a1], 0
jne 0x42b281
push 0xc
lea edx, [ebp - 0x28]
push edx
mov ecx, ebx
call fcn.0042a3c0
add dword [ebx + 0x18], 0xc
cmp dword [ebx], esi
je 0x42b295
cmp byte [ebp - 0x5a1], 0
jne 0x42b295
mov eax, 1
jmp 0x42b297
xor eax, eax
cmp byte [ebp - 0x5a1], 0
mov byte [ebx + 0x2d], al
jne 0x42b2cf
mov eax, dword [ebp - 0x5b0]
cmp eax, 8
jne 0x42b2c0
lea eax, [ebp - 0x59c]
push eax
mov edi, ebx
call fcn.0042aa00
mov esi, eax
jmp 0x42b2d5
cmp eax, esi
jne 0x42b2d5
mov eax, ebx
call fcn.0042ab10
mov esi, eax
jmp 0x42b2d5
mov dword [ebx + 0x90], esi
cmp byte [ebx + 0x80], 0
mov byte [ebx + 0x2d], 0
je 0x42b2f0
mov eax, dword [ebx + 0x7c]
test eax, eax
je 0x42b2f0
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [ebx + 0x90]
mov eax, dword [ebx + 0x14]
mov edi, dword [ebx + 0x74]
add dword [ebx + 0x18], ecx
mov dword [ebx + 0x7c], 0
mov dword [ebx + 0x70], edi
test eax, eax
jne 0x42ad0e
test esi, esi
jne 0x42af65
mov edx, dword [ebp - 0x5b4]
lea eax, [ecx + edx]
cmp dword [ebp - 0x58c], eax
mov edx, dword [ebx + 0x78]
sete cl
cmp byte [ebx + 0x1c], 0
mov dword [ebp - 0x590], edx
mov dword [ebp - 0x58c], eax
mov dword [ebp - 0x588], edi
je 0x42b3db
cmp dword [ebx], esi
je 0x42b35b
cmp byte [ebp - 0x5a1], 0
je 0x42b3db
test byte [ebp - 0x598], 1
mov ax, word [ebp - 0x5b0]
mov word [ebp - 0x596], ax
jne 0x42b37e
mov ecx, 0xfff7
and word [ebp - 0x598], cx
mov dx, word [ebp - 0x598]
mov word [ebp - 0x570], dx
mov edx, dword [ebp - 0x568]
sub edx, dword [ebx + 0x10]
mov eax, ebx
call fcn.0042a520
test al, al
je 0x42b3c3
mov esi, ebx
lea edi, [ebp - 0x59c]
call fcn.00429490
test eax, eax
jne 0x42af65
mov edx, dword [ebx + 0x18]
mov eax, ebx
call fcn.0042a520
test al, al
jne 0x42b431
mov eax, 0x2000000
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.00503edf
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebp - 0x5b0]
cmp word [ebp - 0x596], ax
je 0x42b402
mov eax, 0x4000000
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.00503edf
mov esp, ebp
pop ebp
ret 0xc
test eax, eax
jne 0x42b40a
test cl, cl
je 0x42b3ea
mov esi, ebx
lea edi, [ebp - 0x59c]
call fcn.00429730
test eax, eax
jne 0x42af65
mov ax, word [ebp - 0x570]
add dword [ebx + 0x18], 0x10
mov word [ebp - 0x598], ax
mov eax, dword [ebx + 0x14]
test eax, eax
jne 0x42ad0e
mov ecx, dword [ebp - 0x57c]
push ecx
call fcn.004a47f3
mov edx, dword [ebp - 0x57c]
add esp, 4
mov esi, eax
mov eax, dword [ebp - 0x45c]
push edx
push eax
push esi
call fcn.00509040
add esp, 0xc
push 0x360
mov dword [ebp - 0x45c], esi
call fcn.004a47f3
mov ecx, 0xd8
lea esi, [ebp - 0x59c]
mov edi, eax
rep movsd dword es:[edi], dword [esi]
mov ecx, dword [ebx + 0x44]
add esp, 4
test ecx, ecx
jne 0x42b4a5
mov dword [ebx + 0x44], eax
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.00503edf
mov esp, ebp
pop ebp
ret 0xc
cmp dword [ecx + 0x35c], 0
je 0x42b4bf
mov edi, edi
mov ecx, dword [ecx + 0x35c]
cmp dword [ecx + 0x35c], 0
jne 0x42b4b0
mov dword [ecx + 0x35c], eax
mov ecx, dword [ebp - 8]
pop edi
pop esi
xor ecx, ebp
xor eax, eax
pop ebx
call fcn.00503edf
mov esp, ebp
pop ebp
ret 0xc