Brhost.exe Virus (Coin Miner Trojan) Removal

Brhost.exe executable file comes from a malevolent application that can properly be recognized as a coin miner trojan. That malware type uses your PC components to mine cryptocurrencies, basically – Monero or DarkCoin¹. It makes your personal computer pretty much unusable as a result of high CPU use.

What is Brhost.exe process?

Brhost.exe is a malicious process created by coin miner virus

Brhost.exe – Really high CPU as well as GPU use

Besides CPU utilization, some of the coin miners additionally make use of GPU power for their operations. In that situation, you will likely struggle even to see the mouse arrow moving – GPU is often used on 100%. It is not as essential as CPU for system work, so Brhost.exe coin miner viruses don’t waste time on trifles and use it all. It often can result in bad consequences.

Shortly about cryptocurrency mining

List of the typical coin miner symptoms

Microsoft Defender is stopped;

CPU and GPU is loaded at 80-90% exactly after the system start

Cooling fans are running at high speed and create a lot of noise

A single process in Task Manager consumes all CPU and GPU power

How dangerous is the Brhost.exe miner?

Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system

First of all, Brhost.exe virus makes your computer overloaded. It is unable to run your applications now, as all CPU power is used by a malware. That malware does not care for your needs, all it focuses on is generating profits on you. Even if you are patient, and you waited until web browser is open, you will likely experience extremely sluggish efficiency. Pages can open up for years, any type of logins will take about a minute – just a horror story for a person that works online.

Brhost.exe Technical Summary.

File Name	Brhost.exe
Type	Trojan Coin Miner
Detection Name	Trojan:Win32/CoinMiner
Distribution Method	Software bundling, Intrusive advertisement, redirects to shady sites etc.
Similar behavior	Xservicegpu.exe, Kthmimu.exe, Serviceks.exe
Removal	Download and install GridinSoft Anti-Malware for automatic Brhost.exe removal.

“Visible” damage is not a solitary unpleasant thing coin miners perform to your system. Brhost.exe coin miner additionally deals damage to your operating system. To conduct all malevolent operations correctly, it wrecks the security mechanisms of your system. You will likely see your Microsoft Defender disabled – malware stops it to prevent recognition. If you check the HOSTS file, you will likely see a load of new notes – they are brought in by this coin miner to connect your computer to a malicious mining network. All these adjustments are about to be gone back to the initial state in the process of system recovery.

Hardware effects of coin miner activity

Besides decreasing your PC’s performance, running at peak level for a long period of time may trigger damage to your device as well as raise power expenses. Hardware components are created to easily get along with high load, but they can do so only in case when they are in a good shape.

Small and covered processor cooling system is not very easy to damage. Meanwhile, graphic cards have large and easy-to-access fans, which can be easily cracked if touched while running, for example, by the user much before the coin-miner injection. Malfunctioning cooling system, together with the very high load caused by Brhost.exe miner can easily lead to graphic processing unit failure³. Video cards are also prone to have increased wearing when used for cryptocurrency mining. It is likely an unwanted situation when your GPU’s performance decreases on 20-30% just after several weeks of being exploited in such a way.

How did I get Brhost.exe coin miner virus?

Coin miners are spread through different ways, but their main sources are malicious banners and programs from dubious sources

The example of malicious banners you can see in the Internet

An additional way you could get this item on your computer is by downloading it from the dubious web page as a part of a program. Users who spread hacked versions of favored programs (which do not need the license key) have small chances to earn money. Therefore, there is a huge lure to add in malware to the final package of the hacked application and receive a coin for each setup. Prior to blaming these guys for hacking and malware spreading, ask yourself – is it alright to avoid paying for the program in such a way? It is more affordable to pay $20-$30 at once than to pay a much bigger sum for antivirus program as well as new parts for your computer.

How to remove the Brhost.exe miner from my PC?

The best way to get rid of this coin miner virus is to use anti-malware software

Booting the PC into Safe Mode with Networking

Press the Start button, then choose Power, and click on Reboot while holding the Shift key on the keyboard.

Windows will reboot into recovery mode. In that mode, choose Troubleshoot→ Startup Settings→ Safe Mode with Networking. Press the corresponding button on your keyboard to choose that option.

When your PC is in Safe Mode, all third-party programs, just like the majority of non-crucial Windows components, are not launched with the system start. That allows you to clean the system without dealing with high CPU usage of the coin miner.