According to this description, the Trojan tries to steal your sensitive and confidential information.
I often see this issue with Defender but don't know the solution to that. This pg. saysit detects and removes the threat. Hmmm.... There are many other better anti-malware apps. However, read through this article and try MS Safety Scanner as suggested.
https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=TrojanSpy:Win32/Loyeetro.A
Also, check your installed programs for anything suspect and uninstall it/them unless you're unsure. Plus, clean out all your temp folders, TIF, Cookies with CCleaner.
You can download it here:https://www.piriform.com/ccleaner/buildsI suggest the Portable version, unless you want Google Toolbar installed. I don't advise that. After installing CCleaner, and before running it, unselect Windows Defender in the list of applications. Other than that, you can run at default settings for
now.
Other than that, I strongly suggest you post on one of these malware support forums. This is a serious infection You'll get help from specially-trained experts. The help is free.
Preparation Guide For Use Before Using Malware Removal
Tools and Requesting Help
MalwareBtyes' forums - malware removal help