The Trojan:Win32/StealC!MTB notification, is a sign that your computer has a problem. Allowing it to keep running may lead to really bad consequences.
Stealer is a virus that aims at opening your system to further threats. The majority of the modern virus examples are complex, and can inject various other viruses. Getting the Trojan:Win32/StealC!MTB malware often equals to getting a malicious thing which is able act like spyware or stealer, downloader, and a backdoor. Seeing this detection means that you need to perform the removal as fast as you can.
Trojan:Win32/StealC!MTB Detection Overview
The Trojan:Win32/StealC!MTB detection you can see in the lower right corner is displayed to you by Microsoft Defender. That anti-malware application is pretty good at scanning, however, prone to be mainly unstable. It is vulnerable to malware invasions, it has a glitchy interface and bugged malware clearing features. Hence, the pop-up which says about the Stealer is simply an alert that Defender has found it. To remove it, you will likely need to use another anti-malware program.
The exact Trojan:Win32/StealC!MTB infection is a very unpleasant thing. It digs into your computer disguised as a part of something normal, or as a part of the application you have got on a forum. After that, it makes all possible steps to make your system weaker. At the end of this “party”, it injects other malicious things – ones which are wanted by cyber burglars who control this virus. Hence, it is likely impossible to predict the effects from Stealer actions. And the unpredictability is one of the most unwanted things when it comes to malware. That’s why it is rather not to choose at all, and don’t let the malware to complete its task.
Threat Summary:
| Name | Stealer Trojan |
| Detection | Trojan:Win32/StealC!MTB |
| Details | Stealer tool that looks legitimate but can take control of your computer. |

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