Conhost_syn.exe Virus (Coin Miner Trojan) Removal

Conhost_syn.exe process is related to a malicious application that can correctly be recognized as a coin miner trojan virus. That malware type utilizes your hardware to mine cryptocurrencies, primarily – Monero or DarkCoin¹. It makes your personal computer almost nonfunctional due to high CPU utilization.

What is Conhost_syn.exe process?

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

Conhost_syn.exe – Really high CPU and GPU usage

Besides CPU utilization, some of the coin miners also use GPU power for their tasks. In that case, you will probably struggle even to see the mouse arrow moving – GPU is usually utilized on 100%. It is not as critical as processor for system work, so Conhost_syn.exe coin miner viruses do not waste time on trifles and utilize it all. It sometimes may lead to unhappy effects.

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 Conhost_syn.exe miner?

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

First, Conhost_syn.exe malware makes your PC overloaded. It is unable to run your applications anymore, as all CPU power is consumed by a virus. That malware does not care for your needs, all it focuses on is generating income on you. Even if you are patient, and you waited until web browser is open, you will likely experience extremely slow performance. Pages can open for years, any type of logins will take about a minute – just a headache for a person who works online.

Conhost_syn.exe Technical Summary.

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

“Visible” harm is not a solitary unpleasant thing coin miners do to your computer. Conhost_syn.exe coin miner likewise deals damage to your OS. To complete all malevolent functions correctly, it ruins the security features of your system. You will likely see your Microsoft Defender disabled – malware halts it to prevent recognition. If you check the HOSTS file, you will likely see a ton of new notes – they are brought in by this coin miner to connect your computer to a malicious cryptomining network. All these adjustments shall be reverted to the original in the process of system recovery.

Hardware effects of coin miner activity

Besides slowing down your computer, running at peak power for a long period of time may cause damage to your device and increase power expenses. PC elements are created to easily deal with high load, but they are good with it only when they are in a good shape.

Little and well-protected processor cooling system is not very easy to damage. Meanwhile, graphic cards have big and easy-to-access rotors, which can be easily broke if affected while running, for instance, by the user much before the coin-miner injection. Malfunctioning cooling system, together with the extremely high load caused by Conhost_syn.exe virus can easily lead to GPU failure³. Video cards are also prone to have fast wearing when used for cryptocurrency mining. It is surely a bad case when the performance of your GPU decreases on 20-30% only after 1-2 weeks of being used in such a way.

How did I get Conhost_syn.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

One more way you could get this thing on your PC is by downloading it from the dubious site as a part of a program. People that spread hacked variants of popular programs (which do not demand the license key) have small chances to make money. Thus, there is a huge lure to include malware to the final package of the hacked application and receive a coin for every installation. Before criticizing these guys for hacking and also malware spreading, ask yourself – is it alright to avoid purchasing 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 software as well as new parts for your desktop.

How to remove the Conhost_syn.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 computer is in Safe Mode, all third-party programs, just like the majority of non-critical system components, are not launched with the system start. That gives you the ability to clean the computer without dealing with high processor usage of the coin miner.