Function at 0x45b6b0
Capabilities:
Encode data using xor
Encrypt data using rc4 ksa
Get file attributes
Resolve function by parsing pe exports
Set file attributes

Disassembly:
push 0xffffffffffffffff
push 0x4b1756
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x80
push ebx
push ebp
mov ebp, ecx
push esi
push edi
lea ecx, [esp + 0x7c]
call fcn.0043dc50
mov eax, dword [0x4d8cb8]
xor edi, edi
mov dword [esp + 0x98], edi
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], eax
mov byte [esp + 0x98], 2
call fcn.0043e0f0
mov esi, dword [esp + 0xa4]
mov ecx, dword [esi + 4]
cmp ecx, edi
jne 0x45b711
mov dword [esp + 0x18], edi
jmp 0x45b71d
mov eax, dword [esi + 8]
sub eax, ecx
sar eax, 3
mov dword [esp + 0x18], eax
mov eax, dword [ebp + 0x4c]
mov ebx, dword [esp + 0x18]
cmp ebx, eax
je 0x45b741
push ebx
push eax
mov eax, dword [ebp + 4]
push str.Not_Same_LocalFileInfo__d__DownloadFildInfo__d_Num.
push eax
call fcn.0044f8c0
push eax
call fcn.0044fb50
add esp, 0x14
test ebx, ebx
mov dword [esp + 0x1c], edi
jbe 0x45bcd5
mov ecx, ebp
call fcn.0045c570
test eax, eax
jne 0x45bd2b
push edi
mov ecx, esi
call fcn.0045e470
push ecx
mov ecx, esp
mov dword [esp + 0x38], esp
push eax
call fcn.004a688e
lea ecx, [esp + 0x80]
call fcn.0043df70
test al, al
jne 0x45b7a4
mov eax, dword [esi + 4]
mov edx, dword [ebp + 4]
mov ecx, dword [eax + edi*8]
push ecx
push str.__Find_Ignore_File__s_
push edx
call fcn.0044f8c0
push eax
call fcn.0044fb50
add esp, 0x10
jmp 0x45bcc4
mov esi, dword [esi + 4]
lea ecx, [esp + 0x10]
lea esi, [esi + edi*8]
push esi
call fcn.004a6c52
lea ecx, [esp + 0x10]
call fcn.004a701b
mov edi, dword [ebp + 0x30]
mov eax, dword [ebp + 0x34]
cmp edi, eax
je 0x45b8c2
push edi
lea ecx, [esp + 0x28]
call fcn.004a688e
push eax
lea ecx, [esp + 0x18]
mov byte [esp + 0x9c], 3
call fcn.004a6c52
lea ecx, [esp + 0x24]
mov byte [esp + 0x98], 2
call fcn.004a6b19
lea ecx, [esp + 0x14]
call fcn.004a701b
push 0x104
lea ecx, [esp + 0x18]
call fcn.004a6f49
push eax
push 0x104
lea ecx, [esp + 0x18]
call fcn.004a6f49
push eax
call fcn.00491cc0
add esp, 8
test eax, eax
jne 0x45b84d
push 0xffffffffffffffff
lea ecx, [esp + 0x14]
call fcn.004a6f98
push 0xffffffffffffffff
lea ecx, [esp + 0x18]
call fcn.004a6f98
mov eax, dword [ebp + 0x34]
add edi, 4
cmp edi, eax
jne 0x45b7cb
jmp 0x45b8c2
push esi
lea ecx, [esp + 0x5c]
call fcn.004a688e
push esi
lea ecx, [esp + 0x60]
mov byte [esp + 0x9c], 4
call fcn.004a688e
mov eax, dword [esi + 4]
mov dword [esp + 0x60], eax
lea ecx, [esp + 0x58]
lea edx, [esp + 0x40]
push ecx
push edx
lea ecx, [ebp + 0x1c]
mov byte [esp + 0xa0], 5
call fcn.0045e490
lea ecx, [esp + 0x5c]
mov byte [esp + 0x98], 6
call fcn.004a6b19
lea ecx, [esp + 0x58]
mov byte [esp + 0x98], 2
call fcn.004a6b19
push 0xffffffffffffffff
lea ecx, [esp + 0x14]
call fcn.004a6f98
push 0xffffffffffffffff
lea ecx, [esp + 0x18]
call fcn.004a6f98
push ecx
mov ecx, esp
mov dword [esp + 0x38], esp
push esi
call fcn.004a688e
lea eax, [esp + 0x2c]
push eax
call fcn.00411130
add esp, 8
mov ecx, eax
mov byte [esp + 0x98], 7
call fcn.00414f10
xor ebx, ebx
mov edi, eax
push ebx
push edi
call fcn.004911a3
add esp, 8
cmp eax, 0xffffffff
jne 0x45b920
cmp ebx, 2
je 0x45b9bc
push 0x14
inc ebx
call dword [sym.imp.KERNEL32.dll_Sleep]
push 0
push edi
call fcn.004911a3
add esp, 8
cmp eax, 0xffffffff
je 0x45b8fe
mov eax, 1
cmp eax, 1
lea ecx, [esp + 0x28]
sete bl
mov byte [esp + 0x98], 2
call fcn.004a6b19
test bl, bl
je 0x45bb24
mov edi, dword [esi]
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
and al, 0xfe
push eax
push edi
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
lea edx, [esp + 0x10]
lea eax, [esp + 0x2c]
push edx
lea ecx, [ebp + 0x40]
push eax
call fcn.0045e7c0
mov eax, dword [ebp + 0x44]
mov edi, dword [esp + 0x2c]
cmp edi, eax
je 0x45b9c3
mov ecx, dword [edi + 0x14]
mov eax, dword [esi + 4]
cmp ecx, eax
je 0x45bbf2
mov ecx, dword [esp + 0xa0]
push esi
push 1
mov eax, dword [ecx + 8]
push eax
call fcn.0045f0c0
mov edx, dword [esi + 4]
mov eax, dword [edi + 0x14]
mov ecx, dword [esi]
push edx
mov edx, dword [ebp + 4]
push eax
push ecx
push str.File_CRC_Check_Diff_:__s___t_t_t_t_t_tFile__lu__Info__lu
push edx
call fcn.0044f8c0
push eax
call fcn.0044fb50
add esp, 0x18
jmp 0x45bbf2
xor eax, eax
jmp 0x45b925
mov ebx, dword [esi]
call fcn.0043a620
mov dword [esp + 0x30], eax
mov ecx, 0x2000
xor eax, eax
mov edi, 0x4f6fc0
rep stosd dword es:[edi], eax
push 0x4d12f8
push ebx
xor edi, edi
call fcn.00490fb7
mov ebx, eax
add esp, 8
test ebx, ebx
mov dword [esp + 0x34], ebx
je 0x45ba66
push ebx
push 0x8000
push 1
push 0x4f6fc0
call fcn.004921db
add esp, 0x10
test eax, eax
je 0x45ba5d
not edi
test eax, eax
mov edx, 0x4f6fc0
mov ecx, edi
je 0x45ba40
lea edi, [eax]
mov eax, ecx
xor ebx, ebx
mov bl, byte [edx]
and eax, 0xff
xor eax, ebx
mov ebx, dword [esp + 0x30]
shr ecx, 8
mov eax, dword [ebx + eax*4 + 4]
xor ecx, eax
inc edx
dec edi
jne 0x45ba1e
mov ebx, dword [esp + 0x34]
push ebx
push 0x8000
not ecx
push 1
push 0x4f6fc0
mov edi, ecx
call fcn.004921db
add esp, 0x10
test eax, eax
jne 0x45ba0f
push ebx
call fcn.00490ccd
add esp, 4
cmp edi, dword [esi + 4]
je 0x45baa2
mov ecx, dword [esp + 0xa0]
push esi
push 1
mov eax, dword [ecx + 8]
push eax
call fcn.0045f0c0
mov ecx, dword [esi + 4]
mov edx, dword [esi]
mov eax, dword [ebp + 4]
push ecx
push edi
push edx
push str.nofind_Local_info_File_:__s___t_t_t_t_t_tFile__lu__Info__lu
push eax
call fcn.0044f8c0
push eax
call fcn.0044fb50
add esp, 0x18
jmp 0x45bbf2
lea ecx, [esp + 0x10]
push ecx
lea ecx, [esp + 0x68]
call fcn.004a688e
push esi
lea ecx, [esp + 0x6c]
mov byte [esp + 0x9c], 8
call fcn.004a688e
mov edx, dword [esi + 4]
mov dword [esp + 0x6c], edx
lea eax, [esp + 0x64]
lea ecx, [esp + 0x48]
push eax
push ecx
lea ecx, [ebp + 0x40]
mov byte [esp + 0xa0], 9
call fcn.0045e490
lea ecx, [esp + 0x68]
mov byte [esp + 0x98], 0xa
call fcn.004a6b19
lea ecx, [esp + 0x64]
mov byte [esp + 0x98], 2
call fcn.004a6b19
mov edx, dword [esi]
mov eax, dword [ebp + 4]
push edx
push str.nofind_But_Same_Info_:__s
push eax
call fcn.0044f8c0
push eax
call fcn.0044fb50
add esp, 0x10
jmp 0x45bbf2
mov ecx, dword [esp + 0xa0]
push esi
push 1
mov eax, dword [ecx + 8]
push eax
call fcn.0045f0c0
push 0x4dca10
lea ecx, [esp + 0x3c]
call fcn.004a6b87
push esi
lea ecx, [esp + 0x3c]
mov byte [esp + 0x9c], 0xb
call fcn.004a6c52
lea ecx, [esp + 0x10]
mov dword [esp + 0x3c], 0xffffffff
push ecx
lea ecx, [esp + 0x74]
call fcn.004a688e
lea edx, [esp + 0x38]
lea ecx, [esp + 0x74]
push edx
mov byte [esp + 0x9c], 0xc
call fcn.004a688e
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x78], eax
lea ecx, [esp + 0x70]
lea edx, [esp + 0x50]
push ecx
push edx
lea ecx, [ebp + 0x40]
mov byte [esp + 0xa0], 0xd
call fcn.0045e490
lea ecx, [esp + 0x74]
mov byte [esp + 0x98], 0xe
call fcn.004a6b19
lea ecx, [esp + 0x70]
mov byte [esp + 0x98], 0xb
call fcn.004a6b19
mov eax, dword [esi]
mov ecx, dword [ebp + 4]
push eax
push str.Not_exist_:__s
push ecx
call fcn.0044f8c0
push eax
call fcn.0044fb50
add esp, 0x10
lea ecx, [esp + 0x38]
mov byte [esp + 0x98], 2
call fcn.004a6b19
call fcn.0040c220
mov esi, eax
mov eax, dword [0x4eefa0]
test eax, eax
jne 0x45bc6a
mov eax, dword [esi + 4]
mov edx, dword [esp + 0x18]
add eax, 0x228
push str.Analyzing...
lea ecx, [esp + 0x24]
mov dword [eax + 0x80], 0
mov dword [eax + 0x84], edx
call fcn.004a6b87
mov eax, dword [esp + 0x20]
mov ecx, dword [esi + 4]
push eax
add ecx, 0x130
mov byte [esp + 0x9c], 0xf
call fcn.004a612d
mov ecx, dword [esi + 4]
call fcn.004184f0
lea ecx, [esp + 0x20]
mov dword [0x4eefa0], 1
mov byte [esp + 0x98], 2
call fcn.004a6b19
mov edi, dword [esp + 0x1c]
xor edx, edx
mov eax, edi
mov ecx, 0x64
div ecx
test edx, edx
jne 0x45bc95
mov eax, dword [esi + 4]
push 1
add eax, 0x228
push edx
mov edx, dword [eax + 0x1c]
mov dword [eax + 0x44], edi
push edx
call dword [sym.imp.USER32.dll_InvalidateRect]
mov eax, dword [esp + 0x18]
inc edi
cmp eax, edi
jne 0x45bcb9
mov ecx, dword [esi + 4]
push 0x4dca10
add ecx, 0x130
call fcn.004a612d
mov ecx, dword [esi + 4]
call fcn.004184f0
mov esi, dword [esp + 0xa4]
mov edi, dword [esp + 0x1c]
mov eax, dword [esp + 0x18]
inc edi
cmp edi, eax
mov dword [esp + 0x1c], edi
jb 0x45b74d
lea ecx, [esp + 0x10]
mov byte [esp + 0x98], 1
call fcn.004a6b19
lea ecx, [esp + 0x14]
mov byte [esp + 0x98], 0
call fcn.004a6b19
lea ecx, [esp + 0x7c]
mov dword [esp + 0x98], 0xffffffff
call fcn.0043dcd0
mov eax, 1
mov ecx, dword [esp + 0x90]
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
pop ebx
add esp, 0x8c
ret 8
mov eax, dword [ebp + 4]
push str.For_ing_ProcessFileInfo
push eax
call fcn.0044f8c0
push eax
call fcn.0044fb50
add esp, 0xc
lea ecx, [esp + 0x10]
mov byte [esp + 0x98], 1
call fcn.004a6b19
lea ecx, [esp + 0x14]
mov byte [esp + 0x98], 0
call fcn.004a6b19
lea ecx, [esp + 0x7c]
mov dword [esp + 0x98], 0xffffffff
call fcn.0043dcd0
xor eax, eax
jmp 0x45bd10