Function at 0x42f840
Capabilities:
Check if file exists
Delete file
Get common file path
Get file attributes
Get session user name
Persist via run registry key
Query or enumerate registry value
Set file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x59d080
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x204
mov eax, dword [0x66368c]
push ebx
push esi
push edi
xor edi, edi
mov dword [ebp - 0x10], esp
cmp eax, edi
mov dword [ebp - 4], edi
jne 0x42fc49
lea eax, [ebp - 0x28]
mov esi, 1
push eax
push 0x28
mov dword [0x66368c], esi
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
test eax, eax
je 0x42f8c4
lea ecx, [ebp - 0x34]
push ecx
push str.SeBackupPrivilege
push edi
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueA]
mov eax, dword [ebp - 0x28]
push edi
push edi
lea edx, [ebp - 0x38]
push edi
push edx
push edi
push eax
mov dword [ebp - 0x38], esi
mov dword [ebp - 0x2c], 2
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
mov ecx, dword [0x65ec1c]
mov dword [ebp - 0x1c], edi
mov dword [ebp - 0x14], ecx
mov ecx, 0x25
xor eax, eax
lea edi, [ebp - 0x210]
lea edx, [ebp - 0x210]
rep stosd dword es:[edi], eax
push edx
mov byte [ebp - 4], 1
mov dword [ebp - 0x210], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
test eax, eax
je 0x42fa93
cmp dword [ebp - 0x200], 2
jne 0x42fa93
push str.shell32
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov ebx, eax
test ebx, ebx
je 0x42f9d7
push str.SHGetFolderPathA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x42f9c0
push 0
call dword [sym.imp.ole32.dll_CoInitialize]
lea eax, [ebp - 0x13c]
push eax
push 0
push 0
push 0x1a
push 0
call esi
test eax, eax
jne 0x42f9ba
lea edi, [ebp - 0x13c]
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
add ecx, 0xfffffffe
mov dword [ebp - 0x20], ecx
mov al, byte [ebp + ecx - 0x13c]
cmp al, 0x5c
mov eax, 0x663188
je 0x42f97f
mov eax, 0x63a4cc
lea ecx, [ebp - 0x13c]
push eax
push ecx
lea edx, [ebp - 0x14]
push str._s_sDMCache
push edx
call fcn.0058148b
mov eax, dword [ebp - 0x14]
add esp, 0x10
push eax
call fcn.0056e502
mov ecx, dword [ebp - 0x14]
add esp, 4
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x42f9ba
mov dword [ebp - 0x1c], 1
call dword [sym.imp.ole32.dll_CoUninitialize]
push ebx
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x42fbb2
mov esi, 1
lea edx, [ebp - 0x24]
push edx
push esi
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerShell_Folders
push reloc.WSOCK32.dll_accept
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x42fa93
mov edx, dword [ebp - 0x24]
lea eax, [ebp - 0x20]
lea ecx, [ebp - 0x13c]
push eax
push ecx
push 0
push 0
push str.AppData
push edx
mov dword [ebp - 0x20], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x42fa7e
lea edi, [ebp - 0x13c]
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
add ecx, 0xfffffffe
mov dword [ebp - 0x20], ecx
mov al, byte [ebp + ecx - 0x13c]
cmp al, 0x5c
mov eax, 0x663188
je 0x42fa47
mov eax, 0x63a4cc
push eax
lea eax, [ebp - 0x13c]
push eax
lea ecx, [ebp - 0x14]
push str._s_sDMCache
push ecx
call fcn.0058148b
mov edx, dword [ebp - 0x14]
add esp, 0x10
push edx
call fcn.0056e502
mov eax, dword [ebp - 0x14]
add esp, 4
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x42fa7e
mov dword [ebp - 0x1c], esi
mov ecx, dword [ebp - 0x24]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x42fbb2
lea edx, [ebp - 0x13c]
push 0x104
push edx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
test eax, eax
je 0x42fb8b
lea edi, [ebp - 0x13c]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
add ecx, 0xfffffffe
mov dword [ebp - 0x20], ecx
mov al, byte [ebp + ecx - 0x13c]
cmp al, 0x5c
mov eax, 0x663188
je 0x42fad7
mov eax, 0x63a4cc
push eax
lea eax, [ebp - 0x13c]
push eax
lea ecx, [ebp - 0x14]
push str._s_sDMCache
push ecx
call fcn.0058148b
mov edx, dword [ebp - 0x14]
add esp, 0x10
push edx
call fcn.0056e502
mov eax, dword [ebp - 0x200]
add esp, 4
cmp eax, 2
jne 0x42fb7c
lea eax, [ebp - 0x1c]
lea ecx, [ebp - 0x17c]
push eax
push ecx
mov dword [ebp - 0x1c], 0x40
call dword [sym.imp.ADVAPI32.dll_GetUserNameA]
test eax, eax
jne 0x42fb37
lea edx, [ebp - 0x17c]
push str.default_user
push edx
call fcn.0056d05a
add esp, 8
mov eax, dword [ebp - 0x20]
mov cl, byte [ebp + eax - 0x13c]
mov eax, 0x663188
cmp cl, 0x5c
je 0x42fb50
mov eax, 0x63a4cc
lea ecx, [ebp - 0x17c]
lea edx, [ebp - 0x13c]
push ecx
push eax
push edx
lea eax, [ebp - 0x14]
push str._s_sDMCache_s
push eax
call fcn.0058148b
mov ecx, dword [ebp - 0x14]
add esp, 0x14
push ecx
call fcn.0056e502
add esp, 4
mov edx, dword [ebp - 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x42fbb2
lea ecx, [ebp - 0x14]
mov dword [0x66368c], 0
mov byte [ebp - 4], 0
call fcn.005886c0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [0x65ec1c]
mov dword [ebp - 0x18], eax
mov ecx, dword [ebp - 0x14]
lea edx, [ebp - 0x18]
push ecx
push str._s_settings.bak
push edx
mov byte [ebp - 4], 2
call fcn.0058148b
mov eax, dword [ebp - 0x18]
add esp, 0xc
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x42fbfb
mov ecx, dword [ebp - 0x18]
push 0x80
push ecx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesA]
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
mov eax, dword [ebp - 0x18]
push eax
call fcn.00430210
add esp, 4
test eax, eax
jne 0x42fc1d
mov ecx, dword [ebp - 0x18]
mov edx, dword [0x663680]
push eax
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegSaveKeyA]
lea ecx, [ebp - 0x18]
mov dword [0x66368c], 0
mov byte [ebp - 4], 1
call fcn.005886c0
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], 0
call fcn.005886c0
mov dword [0x66368c], 0
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret