Function at 0x4b0172
Capabilities:
Check if file exists
Get session user name
Persist via run registry key

Disassembly:
push 0x28c
mov eax, 0x637c8f
call fcn.004d66c3
mov edi, ecx
xor ebx, ebx
lea esi, [edi + 0x68]
mov dword [ebp - 0x298], ebx
mov eax, esi
cmp dword [esi + 0x14], 8
jb 0x4b0198
mov eax, dword [esi]
push str.InstallLocation
push eax
lea eax, [ebp - 0x230]
push reloc.OLEAUT32.dll_SysReAllocString
push eax
call fcn.004bb015
add esp, 0x10
and dword [ebp - 4], 0
cmp dword [ebp - 0x220], 0
jbe 0x4b01f1
cmp dword [ebp - 0x21c], 8
lea eax, [ebp - 0x230]
cmovae eax, dword [ebp - 0x230]
push eax
lea eax, [ebp - 0x248]
push eax
call fcn.004b225b
xor ebx, ebx
inc ebx
pop ecx
cmp dword [eax + 0x10], 0
pop ecx
mov byte [ebp - 0x291], bl
jbe 0x4b01f8
mov byte [ebp - 0x291], 0
test bl, 1
je 0x4b020b
lea ecx, [ebp - 0x248]
and ebx, 0xfffffffe
call fcn.00401ce8
cmp byte [ebp - 0x291], 0
je 0x4b0234
and dword [ebp - 0x220], 0
lea eax, [ebp - 0x230]
cmp dword [ebp - 0x21c], 8
cmovae eax, dword [ebp - 0x230]
xor ecx, ecx
mov word [eax], cx
cmp byte [edi + 0x98], 0
jne 0x4b0303
cmp dword [ebp - 0x220], 0
ja 0x4b04f2
cmp dword [esi + 0x14], 8
jb 0x4b0256
mov esi, dword [esi]
push str.InstallLocation
push esi
lea eax, [ebp - 0x248]
push reloc.gdiplus.dll_Ordinal_1
push eax
call fcn.004bb015
add esp, 0x10
lea ecx, [ebp - 0x230]
push eax
call fcn.00403bf9
lea ecx, [ebp - 0x248]
call fcn.00401ce8
cmp dword [ebp - 0x220], 0
jbe 0x4b02c3
cmp dword [ebp - 0x21c], 8
lea eax, [ebp - 0x230]
cmovae eax, dword [ebp - 0x230]
push eax
lea eax, [ebp - 0x248]
push eax
call fcn.004b225b
pop ecx
or ebx, 2
mov byte [ebp - 0x291], 1
pop ecx
cmp dword [eax + 0x10], 0
jbe 0x4b02ca
mov byte [ebp - 0x291], 0
test bl, 2
je 0x4b02da
lea ecx, [ebp - 0x248]
call fcn.00401ce8
cmp byte [ebp - 0x291], 0
je 0x4b0303
and dword [ebp - 0x220], 0
lea eax, [ebp - 0x230]
cmp dword [ebp - 0x21c], 8
cmovae eax, dword [ebp - 0x230]
xor ecx, ecx
mov word [eax], cx
cmp dword [ebp - 0x220], 0
ja 0x4b04f2
push 0x208
lea eax, [ebp - 0x218]
push 0
push eax
call fcn.004eddc0
add esp, 0xc
mov dword [ebp - 0x298], 0x104
lea eax, [ebp - 0x298]
push eax
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.ADVAPI32.dll_GetUserNameW]
push dword [ebp - 0x298]
and dword [ebp - 0x250], 0
lea ecx, [ebp - 0x260]
xor eax, eax
mov dword [ebp - 0x24c], 7
mov word [ebp - 0x260], ax
lea eax, [ebp - 0x218]
push eax
call fcn.00401f06
lea eax, [ebp - 0x248]
mov byte [ebp - 4], 1
push eax
call fcn.004aee26
pop ecx
cmp byte [edi + 0x98], 0
mov byte [ebp - 4], 2
jne 0x4b03ea
cmp dword [ebp - 0x234], 8
lea ecx, [ebp - 0x248]
lea eax, [ebp - 0x260]
cmovae ecx, dword [ebp - 0x248]
cmp dword [ebp - 0x24c], 8
push ecx
cmovae eax, dword [ebp - 0x260]
push eax
call fcn.004b1456
pop ecx
pop ecx
test al, al
je 0x4b03ea
push 0
lea eax, [ebp - 0x278]
push 0x1c
push eax
call fcn.004b2360
add esp, 0xc
lea ecx, [ebp - 0x230]
push eax
call fcn.00403bf9
jmp 0x4b0455
lea eax, [ebp - 0x278]
push eax
call fcn.004aefb1
lea ecx, [ebp - 0x278]
mov byte [ebp - 4], 3
mov dword [esp], str.SoftwareMicrosoftWindowsCurrentVersionExplorerShell_Folders_
call fcn.00401cb6
cmp dword [ebp - 0x264], 8
lea eax, [ebp - 0x278]
push str.Local_AppData
cmovae eax, dword [ebp - 0x278]
push eax
lea eax, [ebp - 0x290]
push reloc.WS2_32.dll_closesocket
push eax
call fcn.004bb015
add esp, 0x10
lea ecx, [ebp - 0x230]
push eax
call fcn.00403bf9
lea ecx, [ebp - 0x290]
call fcn.00401ce8
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x278]
call fcn.00401ce8
cmp dword [ebp - 0x21c], 8
lea eax, [ebp - 0x230]
cmovae eax, dword [ebp - 0x230]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4b048f
push str.C:Program_Files__x86_
lea ecx, [ebp - 0x230]
call fcn.00401f68
cmp dword [ebp - 0x220], 0
jbe 0x4b04d8
lea eax, [ebp - 0x230]
push eax
call fcn.004b11d1
pop ecx
test eax, eax
jne 0x4b04b9
push 0x63de0c
lea ecx, [ebp - 0x230]
call fcn.00401cb6
lea eax, [edi + 0x80]
cmp dword [eax + 0x14], 8
mov ecx, eax
jb 0x4b04c9
mov ecx, dword [eax]
push dword [eax + 0x10]
push ecx
lea ecx, [ebp - 0x230]
call fcn.00401c58
lea ecx, [ebp - 0x248]
call fcn.00401ce8
lea ecx, [ebp - 0x260]
mov byte [ebp - 4], 0
call fcn.00401ce8
lea eax, [ebp - 0x230]
push eax
call fcn.004b11d1
pop ecx
test eax, eax
jne 0x4b0513
push 0x63de0c
lea ecx, [ebp - 0x230]
call fcn.00401cb6
lea ecx, [ebp - 0x230]
push ecx
lea ecx, [edi + 8]
call fcn.0040692a
lea ecx, [ebp - 0x230]
call fcn.00401ce8
mov al, 1
call fcn.004d666d
ret