Trojan:JS/Mountsi.B!ml — Mountsi Trojan Removal Guide

Trojan:JS/Mountsi.B!ml detection in your Windows system is a sign of a big trouble. All viruses are dangerous, without any exceptions. Mountsi is a malicious software that aims at exposing your PC to further threats.

Mountsi Trojan belongs to dropper trojans, ones that ease the introduction of other malware. This particular example possesses a form of JS applet, which makes it faster, lighter and harder to detect. As a result of its activity, your system is infected with a huge number of different malware, most often – stealers and ransomware.

To succeed with its final task – malware delivery – Trojan:JS/Mountsi.B!ml implements numerous changes to your system. In particular, it can disable security mechanisms, such as UAC and .exe file warnings. To establish connection to the C2 server, Mountsi B ml trojan changes the HOSTS file. All these alterations may affect your system workflow in future. Though, it is nothing compared to the impact of the viruses this thing downloads.

What does the notification with Trojan:JS/Mountsi.B!ml detection mean?

The Trojan:JS/Mountsi.B!ml detection you can see in the lower right side is displayed to you by Microsoft Defender. That anti-malware software is quite OK at scanning, however, prone to be generally unstable. It is prone to malware invasions, it has a glitchy user interface and problematic malware clearing features. Therefore, the pop-up which states about the Mountsi is just an alert that Defender has found it. To remove it, you will likely need to make use of a separate anti-malware program.

The exact Trojan:JS/Mountsi.B!ml infection is a very nasty thing. It sits into your system disguised as a part of something benevolent, or as a piece of the application you have got on a forum. After that, it makes all possible steps to weaken your system. At the end of this “party”, it injects other viruses – ones which are choosen by crooks who manage this malware. Hence, it is impossible to predict the effects from Mountsi actions. And the unpredictability is one of the most unwanted things when we are talking about malware. That’s why it is rather not to choose at all, and don’t let the malware to complete its task.

Threat Summary:

Is Trojan:JS/Mountsi.B!ml dangerous?

As I have stated previously, non-harmful malware does not exist. And Trojan:JS/Mountsi.B!ml is not an exclusion. This malware changes the system settings, modifies the Group Policies and registry. All of these components are crucial for proper system functioning, even in case when we are not talking about system security. Therefore, the virus which Mountsi contains, or which it will inject later, will try to get maximum revenue from you. Crooks can grab your data, and then sell it at the black market. Using adware and browser hijacker functionality, embedded in Trojan:JS/Mountsi.B!ml malware, they can make money by showing you the banners. Each view gives them a penny, but 100 views per day = $1. 1000 victims who watch 100 banners per day – $1000. Easy math, but sad conclusions. It is a bad choice to be a donkey for crooks.

How did I get this virus?

It is hard to trace the origins of malware on your PC. Nowadays, things are mixed up, and distribution ways used by adware 5 years ago can be used by spyware nowadays. But if we abstract from the exact spreading way and will think of why it has success, the explanation will be quite uncomplicated – low level of cybersecurity knowledge. People click on ads on weird websites, open the pop-ups they get in their web browsers, call the “Microsoft tech support” thinking that the odd banner that states about malware is true. It is very important to recognize what is legitimate – to prevent misconceptions when trying to determine a virus.

Nowadays, there are two of the most common methods of malware spreading – lure e-mails and also injection into a hacked program. While the first one is not so easy to avoid – you should know a lot to understand a fake – the 2nd one is very easy to solve: just don’t use hacked programs. Torrent-trackers and various other sources of “totally free” applications (which are, in fact, paid, but with a disabled license checking) are just a giveaway point of malware. And Trojan:JS/Mountsi.B!ml is simply within them.

How to remove the Trojan:JS/Mountsi.B!ml from my PC?