Diihost.exe process belongs to a malevolent program that can properly be defined as a coin miner virus. That malware form uses your hardware to mine cryptocurrencies, generally – Monero or DarkCoin1. It makes your personal computer almost nonfunctional because of high CPU utilization.
What is Diihost.exe process?
Diihost.exe is a malicious process created by coin miner virus
Diihost.exe – Extremely high CPU/GPU use
Besides CPU utilization, some of the coin miners also utilize GPU power for their operations. In that case, you will probably struggle even to see the mouse cursor moving – GPU is often utilized on 100%. It is not as vital as CPU for system work, so Diihost.exe coin miner viruses don’t waste time on trifles and use all of it. It often can cause bad effects.
Shortly about cryptocurrency mining
List of the typical coin miner symptoms
How dangerous is the Diihost.exe miner?
Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system
Firstly, Diihost.exe virus makes your computer overloaded. It is unable to run your applications now, since all CPU power is consumed by a malware. That malware does not care for your wants, all it focuses on is making money on you. Even if you are patient, and you waited until browser is open, you will likely struggle with extremely slow efficiency. Pages will open up for years, any sort of logins will likely take about a minute – just a nightmare for a person who works online.
Diihost.exe Technical Summary.
| File Name | Diihost.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites etc. |
| Similar behavior | Nitip.exe, System32.exe, Second.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic Diihost.exe removal. |
“Visible” damage is not a solitary bad thing coin miners do to your system. Diihost.exe coin miner likewise deals damage to your operating system. To execute all malicious operations successfully, it wrecks the protection mechanisms of your system. You will likely see your Microsoft Defender disabled – malware stops it to prevent detection. If you open the HOSTS file, you will likely see a number of new entries – they are brought in 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 system recovery.
Hardware effects of coin miner activity
Besides making your PC slow, performing at peak level for a long period of time can cause damage to your device and raise electricity costs. Hardware components are created to easily get along with high load, but they are good with it only when they are in a good shape.
Compact and covered processor fan is quite hard to damage. Meanwhile, GPUs have big and easy-to-access fans, which can be easily cracked if affected while running, for instance, by the user much earlier before the virus injection. Malfunctioning cooling system, together with the extremely high load caused by Diihost.exe can easily lead to graphic card failure3. Graphic cards are also tend to have increased wearing when used for cryptocurrency mining. It is surely an unwanted situation when your GPU’s performance plunges 20-30% only after several weeks of being exploited in such a way.
How did I get Diihost.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 unreliable website as a part of a program. Users that spread hacked versions of well-known programs (which do not require the license key) have small chances to earn money. For this reason, there is a huge lure to include malware to the final package of the hacked app and acquire a coin for each setup. Prior to criticizing these individuals for hacking and also malware distribution, ask yourself – is it okay to avoid purchasing the program in this manner? It is more affordable to pay $20-$30 one time than to pay a much greater figure for antivirus software and new parts for your desktop.
How to remove the Diihost.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 system is in Safe Mode, all third-party applications, just like the majority of non-critical system components, are not started with the system start. That gives you the ability to clean the system without dealing with high processor 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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