Sessionmsg.exe executable file comes from a malicious application that can properly be identified as a coin miner trojan. That malware type uses your hardware to mine cryptocurrencies, basically – Monero or DarkCoin1. It makes your personal computer almost unusable because of high CPU use.
What is Sessionmsg.exe process?
Sessionmsg.exe is a malicious process created by coin miner virus
Sessionmsg.exe – Extremely high CPU as well as GPU usage
Besides CPU usage, some of the coin miners also utilize GPU power for their tasks. In that instance, you will probably struggle also to see the mouse cursor moving – GPU is often utilized on 100%. It is not as vital as CPU for system work, so Sessionmsg.exe coin miner viruses do not waste time on trifles and use it all. It often can cause sad consequences.
Shortly about cryptocurrency mining
List of the typical coin miner symptoms
How dangerous is the Sessionmsg.exe miner?
Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system
First, Sessionmsg.exe malware makes your computer overloaded. It is unable to run your applications now, as all processor power is used by a malware. That malware does not care for your demands, all it focuses on is generating income on you. Even if you are patient, and you waited until browser is open, you will likely struggle with extremely slow efficiency. Pages can open for years, any type of logins will take about a minute – just a headache for a person who works online.
Sessionmsg.exe Technical Summary.
| File Name | Sessionmsg.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites etc. |
| Similar behavior | Explorer.exe, Moxia.exe, Li4.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic Sessionmsg.exe removal. |
“Visible” harm is not a solitary unpleasant activity coin miners perform to your computer. Sessionmsg.exe coin miner also deals damage to your operating system. To conduct all malevolent functions successfully, it ruins the protection components of your system. You will likely see your Microsoft Defender disabled – malware stops it to prevent detection. If you check the HOSTS file, you will likely see a lot of new entries – they are added by this coin miner to connect your PC to a malicious mining network. All these adjustments shall be reverted to the original in the process of computer 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 machine and raise power expenses. Hardware components are designed to easily get along with high load, but they can do so only in case when they are in a good shape.
Small and well-protected processor cooling system is quite hard to damage. Meanwhile, GPUs have large and easy-to-access rotors, which can be easily cracked if touched while spinning, for instance, by the user much earlier before the malware injection. Malfunctioning cooling system, together with the very high load caused by Sessionmsg.exe malware can easily lead to GPU failure3. Video cards are also prone to have fast wearing when used for cryptocurrency mining. It is likely an undesirable case when your GPU’s performance plunges 20-30% just after several weeks of being used in such a way.
How did I get Sessionmsg.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 item on your PC is by downloading it from the unreliable web page as a part of a program. Users who spread hacked versions of well-known programs (which do not demand the license key) have small chances to earn money. Therefore, there is a very big temptation to add malware to the final package of the hacked application and receive a coin for each installation. Before criticizing these people for hacking and malware distribution, ask yourself – is it okay to avoid buying the program in such a way? It is more affordable to pay $20-$30 one time than to pay a much bigger sum for antivirus software and new parts for your computer.
How to remove the Sessionmsg.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 applications, just like the majority of non-crucial Windows components, are not started with the system start. That allows you to clean the PC without dealing with high CPU usage of the coin miner.
References
- Read about why Monero and DarkCoin are so popular amongst cybercriminals.
- About unwanted effects for GPUs in the process of cryptomining.
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