Function at 0x420890
Capabilities:
Contain obfuscated stackstrings
Encode data using xor
Get session user name
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4730d5
mov eax, dword fs:[0]
push eax
sub esp, 0x9a4
mov eax, dword [0x490654]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 0xc]
mov ebx, dword [ebp + 8]
mov edi, edx
xor edx, edx
lea esi, [ebp - 0x90]
mov dword [ebp - 0x590], edi
mov dword [ebp - 0x5cc], ebx
mov dword [ebp - 0x5c8], eax
mov dword [ebp - 0x5c4], ecx
mov word [ebp - 0x90], dx
call fcn.00407850
mov edx, dword [edi + 0x8c28]
lea ecx, [ebp - 0x510]
call fcn.00444110
lea eax, [ebp - 0x598]
push eax
lea ecx, [ebp - 0x110]
push ecx
mov dword [ebp - 0x594], 0
or esi, 0xffffffff
mov dword [ebp - 0x598], 0x80
call dword [sym.imp.ADVAPI32.dll_GetUserNameA]
test eax, eax
je 0x420962
mov eax, dword [ebp - 0x598]
dec eax
lea ecx, [ebp - 0x110]
je 0x42095a
movzx edx, byte [ecx]
xor edx, esi
and edx, 0xff
shr esi, 8
xor esi, dword [edx*4 + 0x478b50]
inc ecx
dec eax
jne 0x420941
not esi
mov dword [ebp - 0x594], esi
lea eax, [ebp - 0x588]
call fcn.004025a5
lea eax, [ebp - 0x588]
push eax
mov ecx, edi
mov dword [ebp - 4], 0
call fcn.004203d0
mov eax, esp
lea esi, [edi + 0xa4c]
mov dword [ebp - 0x58c], esp
call fcn.00405f24
lea eax, [ebp - 0x5c0]
call fcn.004025a2
push 0
push 0
lea edi, [ebp - 0x5c0]
call fcn.004032d9
push 0xffffffffffffffff
push esi
xor eax, eax
mov ecx, edi
call fcn.004031d9
push str.mode_ext
lea eax, [ebp - 0x530]
mov byte [ebp - 4], 1
call fcn.004025cc
push ecx
mov eax, esp
mov byte [ebp - 4], 2
mov dword [ebp - 0x58c], esp
call fcn.00405f24
lea eax, [ebp - 0x550]
call fcn.004025a2
push 0
push 0
lea edi, [ebp - 0x550]
call fcn.004032d9
push 0xffffffffffffffff
lea ecx, [ebp - 0x588]
push ecx
xor eax, eax
mov ecx, edi
call fcn.004031d9
push str.trace
lea eax, [ebp - 0x870]
mov byte [ebp - 4], 3
call fcn.004025cc
mov esi, dword [ebp - 0x590]
push ecx
mov eax, esp
mov byte [ebp - 4], 4
mov dword [ebp - 0x58c], esp
call fcn.00405f24
lea eax, [ebp - 0x630]
call fcn.004025a2
push 0
push 0
lea edi, [ebp - 0x630]
call fcn.004032d9
push 0xffffffffffffffff
lea eax, [esi + 0xaa8]
push eax
xor eax, eax
mov ecx, edi
call fcn.004031d9
push str.last_page
lea eax, [ebp - 0x830]
mov byte [ebp - 4], 5
call fcn.004025cc
push ecx
mov eax, esp
mov byte [ebp - 4], 6
mov dword [ebp - 0x58c], esp
call fcn.00405f24
lea eax, [ebp - 0x610]
call fcn.004025a2
push 0
push 0
lea edi, [ebp - 0x610]
call fcn.004032d9
push 0xffffffffffffffff
lea eax, [esi + 0xa8c]
push eax
xor eax, eax
mov ecx, edi
call fcn.004031d9
push str.support
lea eax, [ebp - 0x7f0]
mov byte [ebp - 4], 7
call fcn.004025cc
push esi
lea eax, [ebp - 0x7b0]
mov byte [ebp - 4], 8
call fcn.00420380
push 0x47ac40
lea eax, [ebp - 0x770]
mov byte [ebp - 4], 9
call fcn.004025cc
push str.userName
lea eax, [ebp - 0x730]
mov byte [ebp - 4], 0xa
call fcn.004025cc
mov byte [ebp - 4], 0xb
mov edx, dword [esi]
mov eax, dword [edx + 0x18]
mov ecx, esi
call eax
mov dword [ebp - 0x58c], eax
push str.appId
lea eax, [ebp - 0x6f0]
call fcn.004025cc
lea ecx, [esi + 0x580]
push ecx
lea eax, [ebp - 0x6b0]
mov byte [ebp - 4], 0xc
call fcn.004025cc
push str.downloadDate
lea eax, [ebp - 0x670]
mov byte [ebp - 4], 0xd
call fcn.004025cc
lea edx, [ebp - 0x510]
push edx
lea eax, [ebp - 0x810]
mov byte [ebp - 4], 0xe
call fcn.004025cc
push str.serial
lea eax, [ebp - 0x8d0]
mov byte [ebp - 4], 0xf
call fcn.004025cc
lea eax, [esi + 0x8c40]
mov byte [ebp - 4], 0x10
call fcn.00402637
push eax
lea eax, [ebp - 0x7d0]
call fcn.004025cc
push str.torrentHash
lea eax, [ebp - 0x990]
mov byte [ebp - 4], 0x11
call fcn.004025cc
lea eax, [esi + 0x4a4]
push eax
mov byte [ebp - 4], 0x12
lea eax, [ebp - 0x790]
call fcn.004025cc
push 0x47a9e4
lea eax, [ebp - 0x890]
mov byte [ebp - 4], 0x13
call fcn.004025cc
push ecx
mov eax, esp
mov byte [ebp - 4], 0x14
mov dword [ebp - 0x59c], esp
call fcn.00405f24
lea eax, [ebp - 0x5f0]
call fcn.004025a2
push 0
push 0
lea edi, [ebp - 0x5f0]
call fcn.004032d9
push 0xffffffffffffffff
lea eax, [esi + 0x8d3c]
push eax
xor eax, eax
mov ecx, edi
call fcn.004031d9
push str.installId
lea eax, [ebp - 0x750]
mov byte [ebp - 4], 0x15
call fcn.004025cc
lea ecx, [ebp - 0x90]
push ecx
lea eax, [ebp - 0x910]
mov byte [ebp - 4], 0x16
call fcn.004025cc
push 0x47abc0
lea eax, [ebp - 0x710]
mov byte [ebp - 4], 0x17
call fcn.004025cc
lea edi, [esi + 0x424]
mov byte [ebp - 4], 0x18
cmp word [edi], 0
jne 0x420c75
mov edx, dword [esi]
mov eax, dword [edx + 0x30]
mov ecx, esi
call eax
mov esi, edi
call fcn.004070c0
mov esi, dword [ebp - 0x590]
push edi
lea eax, [ebp - 0x850]
call fcn.004025cc
push str.version
lea eax, [ebp - 0x650]
mov byte [ebp - 4], 0x19
call fcn.004025cc
mov ecx, dword [ebp - 0x5c8]
push ecx
lea eax, [ebp - 0x950]
mov byte [ebp - 4], 0x1a
call fcn.004025cc
push str.mode
lea eax, [ebp - 0x690]
mov byte [ebp - 4], 0x1b
call fcn.004025cc
lea edi, [esi + 0x524]
push edi
lea eax, [ebp - 0x9b0]
mov byte [ebp - 4], 0x1c
call fcn.00424f30
push str.i_user_id
lea eax, [ebp - 0x970]
mov byte [ebp - 4], 0x1d
call fcn.004025cc
push edi
lea eax, [ebp - 0x930]
mov byte [ebp - 4], 0x1e
call fcn.00424ee0
push str.s_user_id
lea eax, [ebp - 0x8f0]
mov byte [ebp - 4], 0x1f
call fcn.004025cc
push edi
lea eax, [ebp - 0x8b0]
mov byte [ebp - 4], 0x20
call fcn.00424f80
push 0x47ab70
lea eax, [ebp - 0x6d0]
mov byte [ebp - 4], 0x21
call fcn.004025cc
lea edx, [ebp - 0x8b0]
push edx
lea edx, [ebp - 0x6d0]
mov ecx, ebx
mov byte [ebp - 4], 0x23
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x6d0]
call fcn.004025fd
lea ecx, [ebp - 0x8b0]
call fcn.004025fd
lea eax, [ebp - 0x930]
push eax
lea edx, [ebp - 0x8f0]
mov ecx, ebx
mov byte [ebp - 4], 0x25
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x8f0]
call fcn.004025fd
lea ecx, [ebp - 0x930]
call fcn.004025fd
mov byte [ebp - 4], 0x27
lea ecx, [ebp - 0x9b0]
push ecx
lea edx, [ebp - 0x970]
mov ecx, ebx
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x970]
call fcn.004025fd
lea ecx, [ebp - 0x9b0]
call fcn.004025fd
lea edx, [ebp - 0x950]
push edx
lea edx, [ebp - 0x690]
mov ecx, ebx
mov byte [ebp - 4], 0x29
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x690]
call fcn.004025fd
lea ecx, [ebp - 0x950]
call fcn.004025fd
lea eax, [ebp - 0x850]
push eax
lea edx, [ebp - 0x650]
mov ecx, ebx
mov byte [ebp - 4], 0x2b
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x650]
call fcn.004025fd
lea ecx, [ebp - 0x850]
call fcn.004025fd
lea ecx, [ebp - 0x910]
push ecx
lea edx, [ebp - 0x710]
mov ecx, ebx
mov byte [ebp - 4], 0x2d
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x710]
call fcn.004025fd
lea ecx, [ebp - 0x910]
call fcn.004025fd
lea edx, [ebp - 0x5f0]
push edx
lea edx, [ebp - 0x750]
mov ecx, ebx
mov byte [ebp - 4], 0x2f
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x750]
call fcn.004025fd
lea ecx, [ebp - 0x5f0]
call fcn.004025fd
lea eax, [ebp - 0x790]
push eax
lea edx, [ebp - 0x890]
mov ecx, ebx
mov byte [ebp - 4], 0x31
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x890]
call fcn.004025fd
lea ecx, [ebp - 0x790]
call fcn.004025fd
lea ecx, [ebp - 0x7d0]
push ecx
lea edx, [ebp - 0x990]
mov ecx, ebx
mov byte [ebp - 4], 0x33
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x990]
call fcn.004025fd
lea ecx, [ebp - 0x7d0]
call fcn.004025fd
lea edx, [ebp - 0x810]
push edx
lea edx, [ebp - 0x8d0]
mov ecx, ebx
mov byte [ebp - 4], 0x35
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x8d0]
call fcn.004025fd
lea ecx, [ebp - 0x810]
call fcn.004025fd
lea eax, [ebp - 0x6b0]
push eax
lea edx, [ebp - 0x670]
mov ecx, ebx
mov byte [ebp - 4], 0x37
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x670]
call fcn.004025fd
lea ecx, [ebp - 0x6b0]
call fcn.004025fd
mov edx, dword [ebp - 0x58c]
push 0xa
push 0x100
lea ecx, [ebp - 0x310]
push ecx
push edx
mov byte [ebp - 4], 0x38
call fcn.00453786
add esp, 0x10
lea edx, [ebp - 0x6f0]
mov ecx, ebx
call fcn.0043ec90
lea ecx, [ebp - 0x310]
push ecx
mov edi, eax
call fcn.00402626
lea ecx, [ebp - 0x6f0]
call fcn.004025fd
mov eax, dword [ebp - 0x594]
push 0xa
push 0x100
lea edx, [ebp - 0x310]
push edx
push eax
mov byte [ebp - 4], 0x39
call fcn.00453786
add esp, 0x10
lea edx, [ebp - 0x730]
mov ecx, ebx
call fcn.0043ec90
lea ecx, [ebp - 0x310]
push ecx
mov edi, eax
call fcn.00402626
lea ecx, [ebp - 0x730]
call fcn.004025fd
lea edx, [ebp - 0x7b0]
push edx
lea edx, [ebp - 0x770]
mov ecx, ebx
mov byte [ebp - 4], 0x3b
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x770]
call fcn.004025fd
lea ecx, [ebp - 0x7b0]
call fcn.004025fd
lea eax, [ebp - 0x610]
push eax
lea edx, [ebp - 0x7f0]
mov ecx, ebx
mov byte [ebp - 4], 0x3d
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x7f0]
call fcn.004025fd
lea ecx, [ebp - 0x610]
call fcn.004025fd
lea ecx, [ebp - 0x630]
push ecx
lea edx, [ebp - 0x830]
mov ecx, ebx
mov byte [ebp - 4], 0x3f
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x830]
call fcn.004025fd
lea ecx, [ebp - 0x630]
call fcn.004025fd
lea edx, [ebp - 0x550]
push edx
lea edx, [ebp - 0x870]
mov ecx, ebx
mov byte [ebp - 4], 0x41
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x870]
call fcn.004025fd
lea ecx, [ebp - 0x550]
call fcn.004025fd
lea eax, [ebp - 0x5c0]
push eax
lea edx, [ebp - 0x530]
mov ecx, ebx
mov byte [ebp - 4], 0x43
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x530]
call fcn.004025fd
lea ecx, [ebp - 0x5c0]
mov byte [ebp - 4], 0
call fcn.004025fd
mov eax, dword [esi + 0x8c2c]
test eax, eax
je 0x421122
cmp eax, 1
jne 0x421133
mov ecx, dword [ebp - 0x5c4]
test ecx, ecx
je 0x421133
mov edx, dword [ecx]
mov eax, dword [edx]
push ebx
call eax
lea edi, [esi + 0x8d20]
mov eax, edi
call fcn.00404ff4
test eax, eax
je 0x4211f2
lea eax, [ebp - 0x550]
call fcn.004025a5
push 0
push edi
or eax, 0xffffffff
lea edi, [ebp - 0x550]
mov byte [ebp - 4], 0x44
call fcn.004030d1
push ecx
mov eax, esp
mov dword [ebp - 0x59c], esp
call fcn.00405f24
lea eax, [ebp - 0x5c0]
call fcn.004025a2
push 0
push 0
lea edi, [ebp - 0x5c0]
call fcn.004032d9
push 0xffffffffffffffff
lea ecx, [ebp - 0x550]
push ecx
xor eax, eax
mov ecx, edi
call fcn.004031d9
push str.errors
lea eax, [ebp - 0x530]
mov byte [ebp - 4], 0x45
call fcn.004025cc
mov edx, edi
push edx
lea edx, [ebp - 0x530]
mov ecx, ebx
mov byte [ebp - 4], 0x47
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x530]
call fcn.004025fd
mov ecx, edi
call fcn.004025fd
lea ecx, [ebp - 0x550]
mov byte [ebp - 4], 0
call fcn.004025fd
push 0x4798cc
lea eax, [ebp - 0x56c]
call fcn.004025cc
add esi, 0xb6c
push esi
mov ebx, str._installKey
mov byte [ebp - 4], 0x48
call fcn.004170a0
test eax, eax
je 0x421271
push esi
call fcn.004170a0
push eax
lea eax, [ebp - 0x56c]
push eax
call fcn.0040260b
lea ecx, [ebp - 0x56c]
push ecx
lea edx, [ebp - 0x530]
push str.installKey_from_commangLine
push edx
call fcn.0040c1d0
add esp, 0xc
mov ecx, dword [ebp - 0x590]
mov byte [ebp - 4], 0x49
mov esi, dword [ecx + 0x8c28]
call fcn.00402637
push eax
push str.INFO
mov ecx, esi
call fcn.00417780
mov byte [ebp - 4], 0x48
jmp 0x4212e3
mov esi, dword [ebp - 0x590]
mov edx, dword [esi + 0x8c28]
lea ecx, [ebp - 0x530]
call fcn.00408c10
push 0
push eax
or eax, 0xffffffff
lea edi, [ebp - 0x56c]
mov byte [ebp - 4], 0x4a
call fcn.004030d1
mov bl, 0x48
lea ecx, [ebp - 0x530]
mov byte [ebp - 4], bl
call fcn.004025fd
mov edx, edi
push edx
lea eax, [ebp - 0x530]
push str.installKey_from_fileName
push eax
call fcn.0040c1d0
add esp, 0xc
mov byte [ebp - 4], 0x4b
mov esi, dword [esi + 0x8c28]
call fcn.00402637
push eax
push str.INFO
mov ecx, esi
call fcn.00417780
mov byte [ebp - 4], bl
lea ecx, [ebp - 0x530]
call fcn.004025fd
push ecx
mov eax, esp
mov dword [ebp - 0x59c], esp
call fcn.00405f24
lea eax, [ebp - 0x5c0]
call fcn.004025a2
push 0
push 0
lea edi, [ebp - 0x5c0]
call fcn.004032d9
push 0xffffffffffffffff
lea ecx, [ebp - 0x56c]
push ecx
xor eax, eax
mov ecx, edi
call fcn.004031d9
push str.installKey
lea eax, [ebp - 0x530]
mov byte [ebp - 4], 0x4c
call fcn.004025cc
mov ecx, dword [ebp - 0x5cc]
mov edx, edi
push edx
lea edx, [ebp - 0x530]
mov byte [ebp - 4], 0x4e
call fcn.0043ec90
mov ecx, eax
call fcn.00403b09
lea ecx, [ebp - 0x530]
call fcn.004025fd
mov ecx, edi
call fcn.004025fd
lea ecx, [ebp - 0x56c]
call fcn.004025fd
lea ecx, [ebp - 0x588]
call fcn.004025fd
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00452c94
mov esp, ebp
pop ebp
ret 8