Function at 0x44ce21
Capabilities:
Persist via default file association registry key
Query or enumerate registry key
Query or enumerate registry value
Set registry value

Disassembly:
mov eax, 0x4bf2b4
call fcn.00483820
sub esp, 0x3d0
mov eax, 0x100
push ebx
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x34], eax
push esi
lea eax, [ebp - 0x20]
push edi
mov edi, dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
xor ebx, ebx
push eax
push 0x2001f
mov esi, 0x4f1070
push ebx
push esi
mov dword [ebp - 0x2c], ecx
push connect
mov dword [ebp - 0x20], ebx
mov dword [ebp - 0x10], ebx
call edi
test eax, eax
je 0x44ce7c
push ebx
push ebx
push str.Registry_Read_Error
call fcn.004a3929
jmp 0x44d2ed
lea eax, [ebp - 0x4c]
push eax
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x3dc]
push eax
lea eax, [ebp - 0x24]
push ebx
push eax
lea eax, [ebp - 0x214]
push eax
push ebx
push dword [ebp - 0x20]
call dword [sym.imp.ADVAPI32.dll_RegEnumKeyExA]
test eax, eax
jne 0x44d166
cmp dword [ebp - 0x24], 1
jb 0x44d135
lea eax, [ebp - 0x214]
push str.UltraEdit.
push eax
call fcn.00484860
pop ecx
test eax, eax
pop ecx
je 0x44d05e
mov eax, dword [0x4eec8c]
mov dword [ebp - 0x30], eax
lea eax, [ebp - 0x214]
lea ecx, [ebp - 0x18]
push eax
mov dword [ebp - 4], ebx
call fcn.0049b86d
push 0x2e
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 1
call fcn.0049bc7a
cmp eax, 0xffffffff
je 0x44d042
push eax
lea eax, [ebp - 0x3c]
push eax
lea ecx, [ebp - 0x18]
call fcn.00493713
push eax
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 2
call fcn.0049b8ec
lea ecx, [ebp - 0x3c]
mov byte [ebp - 4], 1
call fcn.0049b7ff
lea eax, [ebp - 0x18]
push 0x4eaa64
push eax
lea eax, [ebp - 0x40]
push eax
call fcn.0049ba48
push eax
lea ecx, [ebp - 0x30]
mov byte [ebp - 4], 3
call fcn.0049b8ec
lea ecx, [ebp - 0x40]
mov byte [ebp - 4], 1
call fcn.0049b7ff
mov eax, dword [ebp - 0x2c]
cmp dword [eax + 0x110], ebx
jne 0x44cf7a
push dword [ebp - 0x30]
push 0xffffffffffffffff
push 0x18f
push dword [eax + 0xa8]
call dword [sym.imp.USER32.dll_SendMessageA]
cmp eax, 0xffffffff
jne 0x44d042
lea eax, [ebp - 0x28]
mov dword [ebp - 0x28], ebx
push eax
push 0xf003f
lea eax, [ebp - 0x214]
push ebx
push eax
push connect
mov dword [ebp - 0x1c], 0xc8
mov byte [ebp - 0x2dc], bl
call edi
test eax, eax
jne 0x44d02e
lea eax, [ebp - 0x1c]
push eax
lea eax, [ebp - 0x2dc]
push eax
lea eax, [ebp - 0x44]
push eax
push ebx
push str.Old_Default
push dword [ebp - 0x28]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x44d015
lea eax, [ebp - 0x14]
mov dword [ebp - 0x14], ebx
push eax
push 0x20006
push ebx
push dword [ebp - 0x18]
push connect
call edi
test eax, eax
jne 0x44d025
lea eax, [ebp - 0x2dc]
push eax
call fcn.00483b20
pop ecx
inc eax
push eax
lea eax, [ebp - 0x2dc]
push eax
push 1
push ebx
push esi
push dword [ebp - 0x14]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push dword [ebp - 0x14]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x44d025
push dword [ebp - 0x18]
push dword [ebp - 0x20]
call fcn.0044d2fc
dec dword [ebp - 0x10]
pop ecx
pop ecx
push dword [ebp - 0x28]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea eax, [ebp - 0x214]
push eax
push dword [ebp - 0x20]
call fcn.0044d2fc
dec dword [ebp - 0x10]
pop ecx
pop ecx
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], bl
call fcn.0049b7ff
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x30]
call fcn.0049b7ff
jmp 0x44d135
mov eax, dword [ebp - 0x2c]
cmp dword [eax + 0x110], ebx
je 0x44d135
cmp byte [ebp - 0x214], 0x2e
jne 0x44d135
lea eax, [ebp - 0x14]
mov dword [ebp - 0x14], ebx
push eax
push 0xf003f
lea eax, [ebp - 0x214]
push ebx
push eax
push connect
call edi
test eax, eax
jne 0x44d135
lea eax, [ebp - 0x1c]
mov dword [ebp - 0x1c], 0xc8
push eax
lea eax, [ebp - 0x114]
push eax
lea eax, [ebp - 0x38]
push eax
push ebx
push esi
mov byte [ebp - 0x114], bl
push dword [ebp - 0x14]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x44d12c
lea eax, [ebp - 0x114]
push str.UltraEdit_Document
push eax
call fcn.00484860
pop ecx
test eax, eax
pop ecx
jne 0x44d0f6
lea eax, [ebp - 0x114]
push str.UltraEdit_32_Document
push eax
call fcn.00484860
pop ecx
test eax, eax
pop ecx
je 0x44d12c
lea eax, [ebp - 0x114]
push str.txtfile
push eax
call fcn.004838f0
lea eax, [ebp - 0x114]
push eax
call fcn.00483b20
add esp, 0xc
inc eax
push eax
lea eax, [ebp - 0x114]
push eax
push 1
push ebx
push esi
push dword [ebp - 0x14]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push dword [ebp - 0x14]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, 0x100
inc dword [ebp - 0x10]
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x34], eax
lea eax, [ebp - 0x4c]
push eax
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x3dc]
push eax
lea eax, [ebp - 0x24]
push ebx
push eax
lea eax, [ebp - 0x214]
push eax
push dword [ebp - 0x10]
jmp 0x44ce98
mov eax, dword [ebp - 0x2c]
cmp dword [eax + 0x110], ebx
je 0x44d2e4
lea eax, [ebp - 0x10]
mov dword [ebp - 0x10], ebx
push eax
push 0xf003f
push ebx
push str.txtfile_shellopencommand
push connect
call edi
test eax, eax
jne 0x44d225
lea eax, [ebp - 0x1c]
mov dword [ebp - 0x1c], 0xc8
push eax
lea eax, [ebp - 0x114]
push eax
lea eax, [ebp - 0x38]
push eax
push ebx
push esi
mov byte [ebp - 0x114], bl
push dword [ebp - 0x10]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x44d225
lea eax, [ebp - 0x114]
push 0x4ebf64
push eax
call fcn.00484860
pop ecx
test eax, eax
pop ecx
jne 0x44d1ef
lea eax, [ebp - 0x114]
push str.ULTRAEDT.EXE
push eax
call fcn.00484860
pop ecx
test eax, eax
pop ecx
je 0x44d225
lea eax, [ebp - 0x114]
push str.NOTEPAD.EXE___1_
push eax
call fcn.004838f0
lea eax, [ebp - 0x114]
push eax
call fcn.00483b20
add esp, 0xc
inc eax
push eax
lea eax, [ebp - 0x114]
push eax
push 1
push ebx
push esi
push dword [ebp - 0x10]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push dword [ebp - 0x10]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea eax, [ebp - 0x10]
push eax
push 0xf003f
push ebx
push str.txtfile_shellprintcommand
push connect
call edi
test eax, eax
jne 0x44d2db
lea eax, [ebp - 0x1c]
mov dword [ebp - 0x1c], 0xc8
push eax
lea eax, [ebp - 0x114]
push eax
lea eax, [ebp - 0x38]
push eax
push ebx
push esi
mov byte [ebp - 0x114], bl
push dword [ebp - 0x10]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x44d2db
lea eax, [ebp - 0x114]
push 0x4ebf64
push eax
call fcn.00484860
pop ecx
test eax, eax
pop ecx
jne 0x44d2a5
lea eax, [ebp - 0x114]
push str.ULTRAEDT.EXE
push eax
call fcn.00484860
pop ecx
test eax, eax
pop ecx
je 0x44d2db
lea eax, [ebp - 0x114]
push str.NOTEPAD.EXE__P___1_
push eax
call fcn.004838f0
lea eax, [ebp - 0x114]
push eax
call fcn.00483b20
add esp, 0xc
inc eax
push eax
lea eax, [ebp - 0x114]
push eax
push 1
push ebx
push esi
push dword [ebp - 0x10]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push dword [ebp - 0x10]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push dword [ebp - 0x20]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret