Function at 0x438f10
Capabilities:
Delete registry key
Persist via default file association registry key
Set registry value

Disassembly:
push rbp
push rdi
push rsi
push rbx
sub rsp, 0x2e8
mov rbp, rsp
mov qword [rbp + 0x60], rcx
mov qword [rbp + 0x50], rdx
mov qword [rbp + 0x58], r8
mov qword [rbp + 0x70], 0
mov qword [rbp + 0x98], 0
mov qword [rbp + 0xa0], 0
mov qword [rbp + 0xa8], 0
nop
mov rax, qword [rbp + 0x50]
mov qword [rbp + 0xb0], rax
mov byte [rbp + 0xb8], 0xa
lea rcx, [rbp + 0xce]
lea rdx, [0x00439294]
lea r8, [rbp + 0xb0]
xor r9, r9
call fcn.00429e90
mov rcx, qword [rbp + 0x60]
lea rdx, [rbp + 0xce]
lea r8, [rbp + 0x2d8]
call sub.advapi32.dll_RegOpenKeyW
mov edi, eax
test edi, edi
je 0x4390d6
mov rax, qword [rbp + 0x58]
test rax, rax
je 0x438fb7
mov rax, qword [rbp + 0x58]
cmp word [rax], 0
jne 0x439000
lea rcx, [rbp + 0xa8]
mov rdx, qword [0x00489be8]
call fcn.0040eed0
mov rax, qword [rbp + 0x50]
mov qword [rbp + 0xb0], rax
mov byte [rbp + 0xb8], 0xa
mov rcx, qword [rbp + 0xa8]
mov edx, 1
lea r8, [rbp + 0xb0]
xor r9, r9
call fcn.0043cde0
mov dword [rbp + 0x6c], edi
jmp 0x43921c
lea rsi, [rbp + 0xce]
jmp 0x43900d
add rsi, 2
cmp word [rsi], 0
je 0x439019
cmp word [rsi], 0x5c
jne 0x439009
movzx rbx, word [rsi]
mov word [rsi], 0
mov rcx, qword [rbp + 0x60]
lea rdx, [rbp + 0xce]
xor r8, r8
xor r9, r9
mov dword [rsp + 0x20], 0
mov dword [rsp + 0x28], 0x2000000
mov qword [rsp + 0x30], 0
lea rax, [rbp + 0x2d8]
mov qword [rsp + 0x38], rax
lea rax, [rbp + 0xc8]
mov qword [rsp + 0x40], rax
call sub.advapi32.dll_RegCreateKeyExW
mov edi, eax
test edi, edi
je 0x4390b8
lea rcx, [rbp + 0xa0]
mov rdx, qword [0x00489be8]
call fcn.0040eed0
mov rax, qword [rbp + 0x50]
mov qword [rbp + 0xb0], rax
mov byte [rbp + 0xb8], 0xa
mov rcx, qword [rbp + 0xa0]
mov edx, 1
lea r8, [rbp + 0xb0]
xor r9, r9
call fcn.0043cde0
mov dword [rbp + 0x6c], edi
jmp 0x43921c
test bx, bx
je 0x4390d5
mov word [rsi], bx
add rsi, 2
mov rcx, qword [rbp + 0x2d8]
call sub.advapi32.dll_RegCloseKey_1
jmp 0x43900d
nop
mov rax, qword [rbp + 0x58]
test rax, rax
je 0x4390e9
mov rax, qword [rbp + 0x58]
cmp word [rax], 0
jne 0x439148
mov rcx, qword [rbp + 0x2d8]
xor rdx, rdx
call sub.advapi32.dll_RegDeleteKeyW
mov edi, eax
test edi, edi
je 0x43920c
lea rcx, [rbp + 0x98]
mov rdx, qword [0x00489be8]
call fcn.0040eed0
mov rax, qword [rbp + 0x50]
mov qword [rbp + 0xb0], rax
mov byte [rbp + 0xb8], 0xa
mov rcx, qword [rbp + 0x98]
mov edx, 1
lea r8, [rbp + 0xb0]
xor r9, r9
call fcn.0043cde0
jmp 0x43920c
mov rax, qword [rbp + 0x58]
test rax, rax
je 0x43915f
mov rax, qword [rbp + 0x58]
mov rcx, rax
call fcn.0040aa60
jmp 0x439162
xor rax, rax
mov rcx, qword [rbp + 0x2d8]
lea rdx, [0x004392c0]
xor r8, r8
mov r9d, 2
mov r10, qword [rbp + 0x58]
mov qword [rsp + 0x20], r10
add eax, 1
add eax, eax
mov dword [rsp + 0x28], eax
call sub.advapi32.dll_RegSetValueExW
mov edi, eax
test edi, edi
jne 0x4391d1
mov rax, qword [rbp + 0x50]
mov qword [rbp + 0x78], rax
mov byte [rbp + 0x80], 0xa
mov rax, qword [rbp + 0x58]
mov qword [rbp + 0x88], rax
mov byte [rbp + 0x90], 0xa
lea rcx, [0x004392c2]
lea rdx, [rbp + 0x78]
mov r8d, 1
call fcn.004354a0
jmp 0x43920c
lea rcx, [rbp + 0x70]
mov rdx, qword [0x00489680]
call fcn.0040eed0
mov rax, qword [rbp + 0x50]
mov qword [rbp + 0xb0], rax
mov byte [rbp + 0xb8], 0xa
mov rcx, qword [rbp + 0x70]
mov edx, 1
lea r8, [rbp + 0xb0]
xor r9, r9
call fcn.0043cde0
mov rcx, qword [rbp + 0x2d8]
call sub.advapi32.dll_RegCloseKey_1
mov dword [rbp + 0x6c], edi
nop
lea rcx, [rbp + 0x70]
call fcn.0040a270
lea rcx, [rbp + 0x98]
mov edx, 3
call fcn.0040a350
mov eax, dword [rbp + 0x6c]
lea rsp, [rbp + 0x2e8]
pop rbx
pop rsi
pop rdi
pop rbp
ret