Function at 0x419f00
Capabilities:
Encode data using xor
Get hostname
Get session user name
Terminate process

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x52287e
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ebx
sub esp, 0x258
push 0x100
lea eax, [ebp - 0x168]
mov dword [ebp - 0x38], 0
push 0
push eax
mov dword [ebp - 0x30], 0x100
mov dword [ebp - 0x34], 0x100
call fcn.004fd0d0
add esp, 0xc
lea eax, [ebp - 0x30]
push eax
lea eax, [ebp - 0x168]
push eax
call dword [sym.imp.ADVAPI32.dll_GetUserNameA]
push 0x100
lea eax, [ebp - 0x268]
push 0
push eax
call fcn.004fd0d0
add esp, 0xc
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x268]
push eax
call dword [sym.imp.KERNEL32.dll_GetComputerNameA]
movaps xmm0, xmmword [0x547ad0]
xor ecx, ecx
mov byte [ebp - 0x29], 0xcd
movups xmmword [ebp - 0x28], xmm0
lea eax, [ecx - 0x79]
xor byte [ebp + ecx - 0x29], al
inc ecx
cmp ecx, 7
jb 0x419fa6
mov dword [0x55d560], ecx
xorps xmm0, xmm0
lea ecx, [ebp - 0x29]
mov byte [ebp - 0x22], 0
movups xmmword [ebp - 0x68], xmm0
mov dword [ebp - 0x58], 0
lea edx, [ecx + 1]
mov dword [ebp - 0x54], 0
mov al, byte [ecx]
inc ecx
test al, al
jne 0x419fd8
sub ecx, edx
lea eax, [ebp - 0x29]
push ecx
push eax
lea ecx, [ebp - 0x68]
call fcn.00402b80
mov dword [ebp - 4], 0
mov eax, 5
cmp dword [ebp - 0x54], 0x10
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x38], eax
lea eax, [ebp - 0x68]
cmovae eax, dword [ebp - 0x68]
push eax
lea eax, [ebp - 0x168]
push eax
call fcn.004fc740
add esp, 8
test eax, eax
jne 0x41a0a3
movaps xmm0, xmmword [0x546fe0]
xor ecx, ecx
movups xmmword [ebp - 0x28], xmm0
lea eax, [ecx - 0x79]
xor byte [ebp + ecx - 0x28], al
inc ecx
cmp ecx, 6
jb 0x41a030
mov dword [0x55d548], ecx
xorps xmm0, xmm0
lea ecx, [ebp - 0x28]
mov byte [ebp - 0x22], 0
movups xmmword [ebp - 0x50], xmm0
mov dword [ebp - 0x40], 0
lea edx, [ecx + 1]
mov dword [ebp - 0x3c], 0
mov al, byte [ecx]
inc ecx
test al, al
jne 0x41a062
sub ecx, edx
lea eax, [ebp - 0x28]
push ecx
push eax
lea ecx, [ebp - 0x50]
call fcn.00402b80
cmp dword [ebp - 0x3c], 0x10
mov eax, 0xf
mov dword [ebp - 0x18], eax
lea eax, [ebp - 0x50]
cmovae eax, dword [ebp - 0x50]
push eax
lea eax, [ebp - 0x268]
push eax
call fcn.004fc740
add esp, 8
mov byte [ebp - 0x11], 0
test eax, eax
je 0x41a0a7
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x18]
test al, 2
je 0x41a0fd
mov ecx, dword [ebp - 0x3c]
and eax, 0xfffffffd
mov dword [ebp - 0x18], eax
cmp ecx, 0x10
jb 0x41a0eb
mov edx, dword [ebp - 0x50]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x41a0de
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x41a16c
push ecx
push edx
call fcn.004fb0f1
mov eax, dword [ebp - 0x18]
add esp, 8
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x3c], 0xf
mov byte [ebp - 0x50], 0
test al, 1
je 0x41a131
mov ecx, dword [ebp - 0x54]
cmp ecx, 0x10
jb 0x41a131
mov edx, dword [ebp - 0x68]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x41a127
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x41a16c
push ecx
push edx
call fcn.004fb0f1
add esp, 8
cmp byte [ebp - 0x11], 0
je 0x41a159
push 0
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.KERNEL32.dll_TerminateProcess]
mov al, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
mov ecx, dword [ebp - 0xc]
xor al, al
mov dword fs:[0], ecx
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
call fcn.00500390
int3