Function at 0x489ae0
Capabilities:
Check mutex on windows
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5eb9cd
mov eax, dword fs:[0]
push eax
sub esp, 0x90
mov eax, dword [0x670440]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
cmp dword [edi + 0xac], 0
je 0x489b1f
mov al, 1
jmp 0x489f11
push str.fLauncher_made_by_David_Choi_and_since_2015
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
mov dword [edi + 0xac], eax
test eax, eax
je 0x489f07
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x489f07
push dword [edi + 0xac]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [edi + 0x114], 0
mov dword [edi + 0xac], 0
je 0x489f07
mov eax, dword fs:[0x2c]
mov ecx, dword [eax]
mov eax, dword [0x67c6cc]
cmp eax, dword [ecx + 4]
jle 0x489d80
push 0x67c6cc
call fcn.00502dcc
add esp, 4
cmp dword [0x67c6cc], 0xffffffff
jne 0x489d80
mov dword [ebp - 4], 0
xorps xmm0, xmm0
mov eax, dword [str.rerun]
movups xmmword [ebp - 0x70], xmm0
mov dword [ebp - 0x70], eax
mov al, byte [0x65fb44]
mov dword [ebp - 0x60], 5
mov dword [ebp - 0x5c], 0xf
mov byte [ebp - 0x6c], al
mov byte [ebp - 0x6b], 0
mov eax, dword [0x65fb38]
movups xmmword [ebp - 0x58], xmm0
mov dword [ebp - 0x50], eax
movq xmm0, qword [str.lauhcher_rerun]
mov ax, word [0x65fb3c]
mov dword [ebp - 0x48], 0xe
mov dword [ebp - 0x44], 0xf
movq qword [ebp - 0x58], xmm0
mov word [ebp - 0x4c], ax
mov byte [ebp - 0x4a], 0
mov byte [ebp - 4], 2
xorps xmm0, xmm0
push 0x20
movups xmmword [ebp - 0x40], xmm0
mov dword [ebp - 0x30], 0
mov dword [ebp - 0x2c], 0
call fcn.00502e30
movups xmm0, xmmword [str.lauhcheraws_rerun]
mov dword [ebp - 0x40], eax
mov dword [ebp - 0x30], 0x11
mov dword [ebp - 0x2c], 0x1f
movups xmmword [eax], xmm0
mov cl, byte [0x65fb6c]
mov byte [eax + 0x10], cl
mov byte [eax + 0x11], 0
mov byte [ebp - 4], 3
push 0x20
mov dword [0x67c6ac], 0
mov dword [0x67c6b0], 0
mov dword [0x67c6b4], 0
call fcn.00502e30
mov dword [ebp - 0x90], eax
mov dword [eax], eax
mov dword [eax + 4], eax
mov dword [0x67c6b0], eax
mov dword [0x67c6b8], 0
mov dword [0x67c6bc], 0
mov dword [0x67c6c0], 0
mov byte [ebp - 4], 5
push 0x40
mov dword [0x67c6c4], 7
mov dword [0x67c6c8], 8
mov dword [0x67c6ac], 0x3f800000
call fcn.00502e30
mov ecx, dword [0x67c6c0]
add esp, 0xc
mov edx, dword [0x67c6b8]
mov esi, eax
sub ecx, edx
sar ecx, 2
test ecx, ecx
je 0x489d15
shl ecx, 2
mov eax, edx
cmp ecx, 0x1000
jb 0x489d0b
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x489f2c
push ecx
push edx
call fcn.005030b1
add esp, 8
lea eax, [esi + 0x40]
mov dword [0x67c6b8], esi
mov dword [0x67c6bc], eax
mov dword [0x67c6c0], eax
cmp esi, eax
je 0x489d3b
mov ecx, dword [ebp - 0x90]
mov dword [esi], ecx
add esi, 4
cmp esi, eax
jne 0x489d32
lea eax, [ebp - 0x28]
mov byte [ebp - 4], 6
push eax
lea eax, [ebp - 0x70]
push eax
call fcn.0048c680
push fcn.0044a960
push 3
push 0x18
lea eax, [ebp - 0x70]
mov byte [ebp - 4], 0
push eax
call fcn.005030e7
push 0x5ee910
call fcn.0050309c
push 0x67c6cc
mov dword [ebp - 4], 0xffffffff
call fcn.00502d7b
add esp, 8
mov esi, dword [0x67c6b0]
lea ecx, [ebp - 0x88]
mov edx, dword [edi + 0x114]
mov dword [ebp - 0x8c], esi
call fcn.0047e2e0
push fcn.005be00f
mov edx, eax
mov dword [ebp - 4], 7
lea ecx, [ebp - 0x28]
call fcn.0045a920
add esp, 4
lea eax, [ebp - 0x28]
cmp dword [ebp - 0x14], 0xf
mov edx, 0x811c9dc5
cmova eax, dword [ebp - 0x28]
xor ecx, ecx
cmp dword [ebp - 0x18], ecx
jbe 0x489de8
mov esi, eax
nop
movzx eax, byte [esi + ecx]
inc ecx
xor eax, edx
imul edx, eax, 0x1000193
cmp ecx, dword [ebp - 0x18]
jb 0x489dd0
mov esi, dword [ebp - 0x8c]
push edx
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 0x94]
push eax
call fcn.0048cfe0
mov ecx, dword [0x67c6b0]
mov eax, dword [eax + 4]
test eax, eax
cmovne ecx, eax
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0x8c], ecx
cmp eax, 0xf
jbe 0x489e43
mov edx, dword [ebp - 0x28]
lea ecx, [eax + 1]
mov eax, edx
cmp ecx, 0x1000
jb 0x489e39
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x489f31
push ecx
push edx
call fcn.005030b1
add esp, 8
mov ecx, dword [ebp - 0x74]
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x14], 0xf
mov byte [ebp - 0x28], 0
cmp ecx, 0xf
jbe 0x489e8c
mov edx, dword [ebp - 0x88]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x489e82
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x489f31
push ecx
push edx
call fcn.005030b1
add esp, 8
cmp esi, dword [ebp - 0x8c]
je 0x489f07
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount64]
call esi
mov dword [ebp - 0x8c], eax
mov dword [ebp - 0x90], edx
call esi
sub eax, dword [ebp - 0x8c]
sbb edx, dword [ebp - 0x90]
jne 0x489f07
jb 0x489ec1
cmp eax, 0xbb8
ja 0x489f07
push 0x32
call dword [sym.imp.KERNEL32.dll_Sleep]
push str.fLauncher_made_by_David_Choi_and_since_2015
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
mov dword [edi + 0xac], eax
test eax, eax
je 0x489f07
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x489f07
push dword [edi + 0xac]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [edi + 0xac], 0
jmp 0x489ea8
cmp dword [edi + 0xac], 0
setne al
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00502d42
mov esp, ebp
pop ebp
ret
call fcn.005be8d2
call fcn.005be8d2
int3