V4_tool.exe process is related to a harmful program that can accurately be defined as a coin miner trojan. That malware type utilizes your hardware to mine cryptocurrencies, generally – Monero or DarkCoin1. It makes your computer pretty much unusable because of high CPU use.
What is V4_tool.exe process?
V4_tool.exe is a malicious process created by coin miner virus
V4_tool.exe – Really high CPU/GPU use
Besides CPU consumption, some of the coin miners additionally utilize GPU power for their tasks. In that instance, you will probably struggle even to see the mouse arrow moving – GPU is usually utilized on 100%. It is not as essential as processor for system work, so V4_tool.exe coin miner viruses do not waste time on trifles and utilize all of it. It sometimes may cause bad results.
Shortly about cryptocurrency mining
List of the typical coin miner symptoms
How dangerous is the V4_tool.exe miner?
Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system
Firstly, V4_tool.exe virus makes your computer overloaded. It is not able to run your applications anymore, as all CPU power is consumed by a malware. 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 browser is open, you will likely suffer from incredibly sluggish performance. Pages will open up for years, any kind of logins will likely take about a minute – just a horror story for a person who does a job online.
V4_tool.exe Technical Summary.
| File Name | V4_tool.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites etc. |
| Similar behavior | Sas.exe, Programinstaller.exe, Wdfaf.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic V4_tool.exe removal. |
“Visible” damage is not a solitary bad activity coin miners do to your computer. V4_tool.exe coin miner likewise deals damage to your operating system. To complete all malevolent functions properly, it wrecks the protection components of your system. You will likely see your Microsoft Defender disabled – malware halts it to avoid detection. If you check the HOSTS file, you will likely see a load of new entries – they are added by this trojan miner to connect your PC to a malicious cryptomining 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 slowing down your PC, running at peak level for long times may trigger damage to your machine and increase electricity bills. Hardware elements are designed to easily get along with high load, but they are good with it only in case when they are in a good shape.
Tiny and well-protected processor cooling system is hard to broke. Meanwhile, GPUs have big and easy-to-access fans, which can be easily broke if affected while spinning, for instance, by the user much before the coin-miner injection. Malfunctioning cooling system, together with the very high load caused by V4_tool.exe can easily lead to GPU failure3. Video cards are also tend to have increased wearing when used for crypto mining. It is surely an undesirable case when your GPU’s performance plunges 20-30% only after several weeks of being exploited in such a way.
How did I get V4_tool.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. People who spread hacked versions of well-known programs (which do not demand the license key) have small chances to get paid. Therefore, there is a very big temptation to include malware to the final package of the hacked application and receive a coin for each installation. Prior to blaming these people for hacking and malware spreading, ask yourself – is it OK to avoid purchasing the program in this manner? It is more affordable to pay $20-$30 at once than to pay a much bigger sum for antivirus program and new parts for your desktop.
How to remove the V4_tool.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 software, along with the majority of non-critical Windows 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.
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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