Btfs.exe is a process associated with BitTorrent’s file system driver, which is responsible for managing the file system used by BitTorrent Sync and other BitTorrent software. This process allows BitTorrent to manage and organize large numbers of files and ensures that they are downloaded and shared efficiently.
📍 However, in some cases, the Btfs.exe process can also be associated with malware or viruses in case if the file is not located in the “C:\Users\USERNAME\AppData\Roaming\BitTorrent\btfs\” folder.
What is Btfs.exe process?
Btfs.exe is a malicious process created by coin miner virus
Btfs.exe – Very high CPU/GPU usage
Besides CPU consumption, some coin miners also use GPU power. In that instance, you will struggle even to see the mouse arrow moving – GPU is usually used on 100%. It is not as critical as the processor for system work, so Btfs.exe coin miner viruses don’t waste time on trifles and utilize it all. It sometimes may lead to sad effects.
Shortly about cryptocurrency mining
Cryptocurrency mining means the activity of calculating the transaction block hash. That is a basic part of any project based on blockchain technology. Since this action requires many calculations, a mighty machine is required. The video card is better for this task because more cores are available. Cryptocurrency mining farms usually have dozens of video cards to complete their task efficiently. Such systems are not usable for “usual” purposes, like gaming or browsing the Web. Fraudsters who gain money via this coin miner use someone’s computers instead, even if they are used for regular activity.1
List of the typical coin miner symptoms
How dangerous is the Btfs.exe miner?
Coin miners do not deal damage to your files. However, they do a lot of unpleasant things with the whole system
First off, Btfs.exe virus makes your system overloaded. It cannot run your applications since a virus uses all processor power. That malware does not care for your needs; it only focuses on making money. Even if you are patient and wait until the web browser opens, you will likely experience prolonged performance. Pages will open for years; any logins will take about a minute – just a horror story for someone who works online.
Btfs.exe Technical Summary.
| File Name | Btfs.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites, etc. |
| Similar behavior | Other.exe, Psiphon3.exe, Lschax.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic Btfs.exe removal. |
“Visible” damage is not a single unpleasant activity coin miners do to your system. Btfs.exe coin miner additionally deals damage to your OS. To execute all malicious functions properly ruins the protection features of your system. You will likely see your Microsoft Defender disabled – malware stops it to avoid detection. If you open the HOSTS file, you will likely see several new notes – brought in by this trojan miner to connect your computer to a malicious mining network. All these adjustments are about to be reverted to the original in the process of computer recovery.
Hardware effects of coin miner activity
Besides slowing down your PC, running at peak level for extended times may trigger damage to your device as well as increase power costs. Hardware components are created to get along with high load quickly, but they are good with it only when they are in good shape.
Tiny and well-protected CPU cooling system is hard to damage. Meanwhile, graphic cards have big and easy-to-access rotors, which can be easily broken if touched while working, for instance, by the user much earlier before the coin-miner injection. Malfunctioning cooling system, together with the extremely high load caused by Btfs.exe, can easily lead to graphic card failure2. Graphic cards are also prone to wear more when used for crypto mining. It is surely an unwanted case when your GPU’s performance plunges 20-30% just after 1-2 weeks of being used in such a way.
How did I get the Btfs.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 untrustworthy web page as a part of a program. People who spread hacked variants of well-known programs (which do not require the license key) have small chances to earn money. For this reason, there is a huge temptation to add in malware to the final package of the hacked app and acquire a coin for each installation. Before blaming these people for hacking and also malware distribution, ask yourself – is it OK to avoid paying for the program in this manner? It is more affordable to pay $20-$30 one time than to pay a much bigger sum for an antivirus program as well as new parts for your desktop.
How to remove the Btfs.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, choose Power, and click 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 apps, just like most non-crucial system components, are not launched with the system start. That allows you to clean the PC without dealing with the high CPU usage of the coin miner.
References
- Detailed explanation of how does cryptomining work.
- About unwanted effects for GPUs in the process of crypto mining.
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