Function at 0x4c1fac
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff34
push ebx
push esi
push edi
mov esi, dword [ebp + 0xc]
lea edi, [ebp - 0xc8]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
mov esi, edx
lea edi, [ebp - 0xb8]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov ebx, dword [ebp + 8]
lea edi, [ebp - 0x74]
lea eax, [ebp - 0xb8]
push eax
call sub.user32.dll_IsRectEmpty
test eax, eax
jne 0x4c2a16
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x2c]
cmp eax, dword [ebp - 0xb0]
jge 0x4c200f
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x2c]
mov dword [ebp - 0xb0], eax
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x20]
cmp eax, dword [ebp - 0xac]
jge 0x4c202d
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x20]
mov dword [ebp - 0xac], eax
cmp dword [ebp - 0xb8], 0
jge 0x4c203e
xor eax, eax
mov dword [ebp - 0xb8], eax
cmp dword [ebp - 0xb4], 0
jge 0x4c204f
xor eax, eax
mov dword [ebp - 0xb4], eax
mov byte [edi + 3], 0xff
mov byte [ebp - 0x79], 0xff
lea eax, [ebp - 0xc8]
push eax
call sub.user32.dll_IsRectEmpty
test eax, eax
je 0x4c208a
mov eax, dword [ebp + 0x10]
mov edx, dword [eax]
call dword [edx + 0x20]
push eax
lea eax, [ebp - 0xc8]
push eax
mov eax, dword [ebp + 0x10]
mov edx, dword [eax]
call dword [edx + 0x2c]
mov ecx, eax
xor edx, edx
xor eax, eax
call fcn.0041cd90
lea eax, [ebp - 0xc8]
mov dl, 1
call fcn.00515de4
mov dword [ebp - 0x34], eax
lea eax, [ebp - 0xc8]
mov dl, 1
call fcn.00515df8
mov dword [ebp - 0x38], eax
mov eax, dword [ebp + 0x10]
mov edx, dword [eax]
call dword [edx + 0x20]
dec eax
mov edx, dword [ebp - 0xc4]
add edx, dword [ebp - 0x38]
cmp eax, edx
jge 0x4c20d2
mov eax, dword [ebp + 0x10]
mov edx, dword [eax]
call dword [edx + 0x20]
dec eax
sub eax, dword [ebp - 0xc4]
mov dword [ebp - 0x38], eax
mov eax, dword [ebp + 0x10]
mov edx, dword [eax]
call dword [edx + 0x2c]
dec eax
mov edx, dword [ebp - 0xc8]
add edx, dword [ebp - 0x34]
cmp eax, edx
jge 0x4c20fa
mov eax, dword [ebp + 0x10]
mov edx, dword [eax]
call dword [edx + 0x2c]
dec eax
sub eax, dword [ebp - 0xc8]
mov dword [ebp - 0x34], eax
cmp dword [ebp - 0x38], 0
jl 0x4c2a16
cmp dword [ebp - 0x34], 0
jl 0x4c2a16
mov eax, dword [ebp - 8]
call fcn.00406228
dec eax
mov dword [ebp - 0x84], eax
cmp dword [ebp - 0x84], 0
jl 0x4c2a16
mov eax, dword [ebp - 8]
mov eax, dword [eax + 0xc]
sub eax, 1
jb 0x4c2140
je 0x4c24c5
jmp 0x4c2a16
mov byte [ebp - 0x7d], 0xff
mov eax, dword [ebp - 0xb4]
mov dword [ebp - 0x98], eax
mov eax, dword [ebp - 0x84]
test eax, eax
jl 0x4c2a16
inc eax
mov dword [ebp - 0xa0], eax
mov dword [ebp - 0x18], 0
mov eax, dword [ebp - 0x18]
lea eax, [eax + eax*4]
mov edx, dword [ebp - 8]
mov eax, dword [edx + eax*4]
mov dword [ebp - 0x6c], eax
mov eax, dword [ebp - 0x18]
lea eax, [eax + eax*4]
mov edx, dword [ebp - 8]
mov eax, dword [edx + eax*4 + 4]
mov dword [ebp - 0x70], eax
mov eax, dword [ebp - 0x18]
lea eax, [eax + eax*4]
mov edx, dword [ebp - 8]
movzx eax, byte [edx + eax*4 + 8]
mov dword [ebp - 0x88], eax
mov eax, dword [ebp - 0x98]
mov dword [ebp - 0x94], eax
lea eax, [ebp - 0xb8]
xor edx, edx
call fcn.00515df8
imul dword [ebp - 0x88]
mov ecx, 0x64
cdq
idiv ecx
add eax, dword [ebp - 0x94]
mov dword [ebp - 0x98], eax
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0x84]
jne 0x4c21fb
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x20]
mov edx, eax
mov eax, dword [ebp - 0xac]
call fcn.00431ac8
dec eax
mov dword [ebp - 0x98], eax
jmp 0x4c2224
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x20]
mov edx, eax
mov eax, dword [ebp - 0xac]
call fcn.00431ac8
mov edx, eax
dec edx
mov eax, dword [ebp - 0x98]
call fcn.00431ac8
mov dword [ebp - 0x98], eax
mov eax, dword [ebp - 0x98]
sub eax, dword [ebp - 0x94]
test eax, eax
jle 0x4c24b1
xor eax, eax
mov al, byte [ebp - 0x6c]
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fstp dword [ebp - 0x3c]
wait
xor eax, eax
mov al, byte [ebp - 0x6b]
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fstp dword [ebp - 0x40]
wait
xor eax, eax
mov al, byte [ebp - 0x6a]
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fstp dword [ebp - 0x44]
wait
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0x84]
je 0x4c2293
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x20]
dec eax
cmp eax, dword [ebp - 0x98]
jge 0x4c22b0
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x20]
mov edx, eax
dec edx
mov eax, dword [ebp - 0xac]
dec eax
call fcn.00431ac8
mov dword [ebp - 0x98], eax
mov eax, dword [ebp - 0x98]
sub eax, dword [ebp - 0x94]
mov dword [ebp - 0x28], eax
cmp dword [ebp - 0x28], 0
je 0x4c2a16
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x2c]
push eax
lea eax, [ebp - 0xb8]
xor edx, edx
call fcn.00515de4
add eax, dword [ebp - 0xb8]
pop edx
call fcn.00431ac8
dec eax
mov dword [ebp - 0x1c], eax
xor eax, eax
mov al, byte [ebp - 0x70]
xor edx, edx
mov dl, byte [ebp - 0x6c]
sub eax, edx
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fild dword [ebp - 0x28]
call fcn.004032fc
fstp qword [ebp - 0x50]
wait
xor eax, eax
mov al, byte [ebp - 0x6f]
xor edx, edx
mov dl, byte [ebp - 0x6b]
sub eax, edx
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fild dword [ebp - 0x28]
call fcn.004032fc
fstp qword [ebp - 0x58]
wait
xor eax, eax
mov al, byte [ebp - 0x6e]
xor edx, edx
mov dl, byte [ebp - 0x6a]
sub eax, edx
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fild dword [ebp - 0x28]
call fcn.004032fc
fstp qword [ebp - 0x60]
wait
mov eax, dword [ebp - 0x94]
mov edx, dword [ebp - 0x98]
sub edx, eax
jl 0x4c24b1
inc edx
mov dword [ebp - 0xa4], edx
mov dword [ebp - 0x9c], eax
fld dword [ebp - 0x3c]
call fcn.00402d30
mov byte [edi + 2], al
fld dword [ebp - 0x40]
call fcn.00402d30
mov byte [edi + 1], al
fld dword [ebp - 0x44]
call fcn.00402d30
mov byte [edi], al
mov edx, dword [ebp - 0x9c]
mov eax, dword [ebp - 4]
call fcn.0042fa40
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x9c]
cdq
idiv dword [ebp - 0x38]
add edx, dword [ebp - 0xc4]
mov eax, dword [ebp + 0x10]
call fcn.0042fa40
mov dword [ebp - 0x14], eax
mov esi, dword [ebp - 0xb8]
mov eax, dword [ebp - 0xb0]
dec eax
sub eax, esi
jl 0x4c2481
inc eax
mov dword [ebp - 0xa8], eax
mov eax, esi
cdq
idiv dword [ebp - 0x34]
add edx, dword [ebp - 0xc8]
mov eax, dword [ebp - 0x14]
mov eax, dword [eax + edx*4]
mov dword [ebp - 0x78], eax
xor edx, edx
mov dl, byte [ebp - 0x76]
mov al, byte [edi + 2]
xor ecx, ecx
mov cl, al
sub edx, ecx
xor ecx, ecx
mov cl, bl
imul edx, ecx
and eax, 0xff
shl eax, 8
add edx, eax
shr edx, 8
and dl, 0xff
mov byte [ebp - 0x7a], dl
xor edx, edx
mov dl, byte [ebp - 0x77]
mov al, byte [edi + 1]
xor ecx, ecx
mov cl, al
sub edx, ecx
xor ecx, ecx
mov cl, bl
imul edx, ecx
and eax, 0xff
shl eax, 8
add edx, eax
shr edx, 8
and dl, 0xff
mov byte [ebp - 0x7b], dl
xor eax, eax
mov al, byte [ebp - 0x78]
xor edx, edx
mov dl, byte [edi]
sub eax, edx
xor edx, edx
mov dl, bl
imul edx
xor edx, edx
mov dl, byte [edi]
shl edx, 8
add eax, edx
shr eax, 8
and al, 0xff
mov byte [ebp - 0x7c], al
mov eax, dword [ebp - 0x10]
mov edx, dword [ebp - 0x7c]
mov dword [eax + esi*4], edx
inc esi
dec dword [ebp - 0xa8]
jne 0x4c23e4
fld dword [ebp - 0x3c]
fadd qword [ebp - 0x50]
fstp dword [ebp - 0x3c]
wait
fld dword [ebp - 0x40]
fadd qword [ebp - 0x58]
fstp dword [ebp - 0x40]
wait
fld dword [ebp - 0x44]
fadd qword [ebp - 0x60]
fstp dword [ebp - 0x44]
wait
inc dword [ebp - 0x9c]
dec dword [ebp - 0xa4]
jne 0x4c237c
inc dword [ebp - 0x18]
dec dword [ebp - 0xa0]
jne 0x4c216c
jmp 0x4c2a16
lea eax, [ebp - 0xb8]
xor edx, edx
call fcn.00515de4
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fld dword [0x4c2a20]
call fcn.004032fc
fstp qword [ebp - 0x68]
wait
mov edx, dword [ebp - 0xb4]
mov eax, dword [ebp - 4]
call fcn.0042fa40
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0xb8]
mov dword [ebp - 0x90], eax
mov eax, dword [ebp - 0x84]
test eax, eax
jl 0x4c2716
inc eax
mov dword [ebp - 0xa0], eax
mov dword [ebp - 0x18], 0
mov eax, dword [ebp - 0x18]
lea eax, [eax + eax*4]
mov edx, dword [ebp - 8]
mov eax, dword [edx + eax*4]
mov dword [ebp - 0x6c], eax
mov eax, dword [ebp - 0x18]
lea eax, [eax + eax*4]
mov edx, dword [ebp - 8]
mov eax, dword [edx + eax*4 + 4]
mov dword [ebp - 0x70], eax
mov eax, dword [ebp - 0x18]
lea eax, [eax + eax*4]
mov edx, dword [ebp - 8]
movzx eax, byte [edx + eax*4 + 8]
mov dword [ebp - 0x88], eax
mov eax, dword [ebp - 0x90]
mov dword [ebp - 0x8c], eax
fild dword [ebp - 0x88]
fmul qword [ebp - 0x68]
fild dword [ebp - 0x8c]
faddp st(1)
call fcn.00402d30
mov dword [ebp - 0x90], eax
mov eax, dword [ebp - 0x18]
cmp eax, dword [ebp - 0x84]
jne 0x4c25aa
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x2c]
mov edx, eax
mov eax, dword [ebp - 0xb0]
call fcn.00431ac8
dec eax
mov dword [ebp - 0x90], eax
jmp 0x4c25d3
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x2c]
mov edx, eax
mov eax, dword [ebp - 0xb0]
call fcn.00431ac8
mov edx, eax
dec edx
mov eax, dword [ebp - 0x90]
call fcn.00431ac8
mov dword [ebp - 0x90], eax
mov eax, dword [ebp - 0x90]
sub eax, dword [ebp - 0x8c]
test eax, eax
jle 0x4c2707
mov eax, dword [ebp - 0x90]
sub eax, dword [ebp - 0x8c]
mov dword [ebp - 0x24], eax
xor eax, eax
mov al, byte [ebp - 0x6c]
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fstp dword [ebp - 0x3c]
wait
xor eax, eax
mov al, byte [ebp - 0x6b]
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fstp dword [ebp - 0x40]
wait
xor eax, eax
mov al, byte [ebp - 0x6a]
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fstp dword [ebp - 0x44]
wait
xor eax, eax
mov al, byte [ebp - 0x70]
xor edx, edx
mov dl, byte [ebp - 0x6c]
sub eax, edx
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fild dword [ebp - 0x24]
call fcn.004032fc
fstp qword [ebp - 0x50]
wait
xor eax, eax
mov al, byte [ebp - 0x6f]
xor edx, edx
mov dl, byte [ebp - 0x6b]
sub eax, edx
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fild dword [ebp - 0x24]
call fcn.004032fc
fstp qword [ebp - 0x58]
wait
xor eax, eax
mov al, byte [ebp - 0x6e]
xor edx, edx
mov dl, byte [ebp - 0x6a]
sub eax, edx
mov dword [ebp - 0xcc], eax
fild dword [ebp - 0xcc]
fild dword [ebp - 0x24]
call fcn.004032fc
fstp qword [ebp - 0x60]
wait
mov esi, dword [ebp - 0x8c]
mov eax, dword [ebp - 0x90]
sub eax, esi
jl 0x4c2707
inc eax
mov dword [ebp - 0xa4], eax
fld dword [ebp - 0x3c]
call fcn.00402d30
mov byte [edi + 2], al
fld dword [ebp - 0x40]
call fcn.00402d30
mov byte [edi + 1], al
fld dword [ebp - 0x44]
call fcn.00402d30
mov byte [edi], al
mov eax, dword [ebp - 0xc]
mov edx, dword [edi]
mov dword [eax + esi*4], edx
fld dword [ebp - 0x3c]
fadd qword [ebp - 0x50]
fstp dword [ebp - 0x3c]
wait
fld dword [ebp - 0x40]
fadd qword [ebp - 0x58]
fstp dword [ebp - 0x40]
wait
fld dword [ebp - 0x44]
fadd qword [ebp - 0x60]
fstp dword [ebp - 0x44]
wait
inc esi
dec dword [ebp - 0xa4]
jne 0x4c26b8
inc dword [ebp - 0x18]
dec dword [ebp - 0xa0]
jne 0x4c2526
lea eax, [ebp - 0xb8]
mov dl, 1
call fcn.00515df8
mov edx, eax
mov eax, dword [ebp - 0x38]
call fcn.00431ac8
dec eax
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 0xb4]
inc eax
mov edx, dword [ebp - 0x20]
add edx, dword [ebp - 0xb4]
sub edx, eax
jl 0x4c2849
inc edx
mov dword [ebp - 0xa0], edx
mov dword [ebp - 0x94], eax
mov edx, dword [ebp - 0x94]
mov eax, dword [ebp - 4]
call fcn.0042fa40
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x94]
cdq
idiv dword [ebp - 0x38]
add edx, dword [ebp - 0xc4]
mov eax, dword [ebp + 0x10]
call fcn.0042fa40
mov dword [ebp - 0x14], eax
mov esi, dword [ebp - 0xb8]
mov eax, dword [ebp - 0xb0]
dec eax
sub eax, esi
jl 0x4c2837
inc eax
mov dword [ebp - 0xa4], eax
mov eax, esi
cdq
idiv dword [ebp - 0x34]
add edx, dword [ebp - 0xc8]
mov eax, dword [ebp - 0x14]
mov eax, dword [eax + edx*4]
mov dword [ebp - 0x78], eax
mov eax, dword [ebp - 0xc]
mov eax, dword [eax + esi*4]
mov dword [edi], eax
xor edx, edx
mov dl, byte [ebp - 0x76]
xor ecx, ecx
mov cl, byte [edi + 2]
sub edx, ecx
xor eax, eax
mov al, bl
imul edx, eax
xor ecx, ecx
mov cl, byte [edi + 2]
shl ecx, 8
add edx, ecx
shr edx, 8
and dl, 0xff
mov byte [edi + 2], dl
xor edx, edx
mov dl, byte [ebp - 0x77]
xor ecx, ecx
mov cl, byte [edi + 1]
sub edx, ecx
imul edx, eax
xor ecx, ecx
mov cl, byte [edi + 1]
shl ecx, 8
add edx, ecx
shr edx, 8
and dl, 0xff
mov byte [edi + 1], dl
xor edx, edx
mov dl, byte [ebp - 0x78]
xor ecx, ecx
mov cl, byte [edi]
sub edx, ecx
imul edx, eax
xor eax, eax
mov al, byte [edi]
shl eax, 8
add edx, eax
shr edx, 8
and dl, 0xff
mov byte [edi], dl
mov eax, dword [ebp - 0x10]
mov edx, dword [edi]
mov dword [eax + esi*4], edx
inc esi
dec dword [ebp - 0xa4]
jne 0x4c279e
inc dword [ebp - 0x94]
dec dword [ebp - 0xa0]
jne 0x4c2756
mov eax, dword [ebp - 0xb4]
mov dword [ebp - 0x94], eax
mov eax, dword [ebp - 0x94]
cdq
idiv dword [ebp - 0x38]
add edx, dword [ebp - 0xc4]
mov eax, dword [ebp + 0x10]
call fcn.0042fa40
mov dword [ebp - 0x14], eax
mov esi, dword [ebp - 0xb8]
mov eax, dword [ebp - 0xb0]
dec eax
sub eax, esi
jl 0x4c2927
inc eax
mov dword [ebp - 0xa0], eax
mov eax, esi
cdq
idiv dword [ebp - 0x34]
add edx, dword [ebp - 0xc8]
mov eax, dword [ebp - 0x14]
mov eax, dword [eax + edx*4]
mov dword [ebp - 0x78], eax
mov eax, dword [ebp - 0xc]
mov eax, dword [eax + esi*4]
mov dword [edi], eax
xor eax, eax
mov al, byte [ebp - 0x76]
xor edx, edx
mov dl, byte [edi + 2]
sub eax, edx
xor edx, edx
mov dl, bl
imul edx
xor edx, edx
mov dl, byte [edi + 2]
shl edx, 8
add eax, edx
shr eax, 8
and al, 0xff
mov byte [edi + 2], al
xor eax, eax
mov al, byte [ebp - 0x77]
xor edx, edx
mov dl, byte [edi + 1]
sub eax, edx
xor edx, edx
mov dl, bl
imul edx
xor edx, edx
mov dl, byte [edi + 1]
shl edx, 8
add eax, edx
shr eax, 8
and al, 0xff
mov byte [edi + 1], al
xor eax, eax
mov al, byte [ebp - 0x78]
xor edx, edx
mov dl, byte [edi]
sub eax, edx
xor edx, edx
mov dl, bl
imul edx
xor edx, edx
mov dl, byte [edi]
shl edx, 8
add eax, edx
shr eax, 8
and al, 0xff
mov byte [edi], al
mov eax, dword [ebp - 0xc]
mov edx, dword [edi]
mov dword [eax + esi*4], edx
inc esi
dec dword [ebp - 0xa0]
jne 0x4c288c
mov eax, dword [ebp - 0xb4]
add eax, dword [ebp - 0x20]
mov dword [ebp - 0x94], eax
lea eax, [ebp - 0xb8]
xor edx, edx
call fcn.00515de4
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0
jle 0x4c29b3
jmp 0x4c29a1
push 0xcc0020
mov eax, dword [ebp - 0xb4]
push eax
mov eax, dword [ebp - 0xb8]
push eax
mov eax, dword [ebp - 4]
call fcn.0042f8d0
call fcn.0042b440
push eax
mov eax, dword [ebp - 0x20]
push eax
mov eax, dword [ebp - 0x1c]
push eax
mov eax, dword [ebp - 0x94]
push eax
mov eax, dword [ebp - 0xb8]
push eax
mov eax, dword [ebp - 4]
call fcn.0042f8d0
call fcn.0042b440
push eax
call sub.gdi32.dll_BitBlt
mov eax, dword [ebp - 0x20]
add dword [ebp - 0x94], eax
mov eax, dword [ebp - 0xac]
dec eax
sub eax, dword [ebp - 0x20]
cmp eax, dword [ebp - 0x94]
jg 0x4c294e
mov eax, dword [ebp - 0xac]
dec eax
cmp eax, dword [ebp - 0x94]
jle 0x4c2a16
push 0xcc0020
mov eax, dword [ebp - 0xb4]
push eax
mov eax, dword [ebp - 0xb8]
push eax
mov eax, dword [ebp - 4]
call fcn.0042f8d0
call fcn.0042b440
push eax
mov eax, dword [ebp - 0xac]
dec eax
sub eax, dword [ebp - 0x94]
push eax
mov eax, dword [ebp - 0x1c]
push eax
mov eax, dword [ebp - 0x94]
push eax
mov eax, dword [ebp - 0xb8]
push eax
mov eax, dword [ebp - 4]
call fcn.0042f8d0
call fcn.0042b440
push eax
call sub.gdi32.dll_BitBlt
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc