Btwrsupportservice.exe Virus ⛏️ (Coin Miner Trojan) Removal

Btwrsupportservice.exe executable file is a benevolent executable file that belongs to Broadcom Bluetooth by Broadcom. It should not create any problems while running.

In the vast majority of cases, Btwrsupportservice.exe is a legitimate process. However, there’s always a possibility that malware hijaked its name to hide itself in the Task Manager. In such a situation, you will also see a high CPU load coming from the Btwrsupportservice.exe process.

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.

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What is Btwrsupportservice.exe process?

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

As I have actually pointed out in the previous paragraph, Btwrsupportservice.exe is a legit process. Nonetheless, its name may be hijacked by malware, in order to conceal itself in a system. The main visible sign of malignant origins of the process is high CPU load – up to 80%. For some systems it may be choking, especially when you’re trying to perform CPU-intensive tasks.

Btwrsupportservice.exe – Very high CPU/GPU use

Another way to recognize a malicious copy is to check a file location. Originally, the Btwrsupportservice.exe is located in C:\Windows\System32 folder. You can check the file location by clicking it in the Task Manager with right mouse button, and choosing “Open file location” in the dialogue box. Seeing locations other than mentioned mean that you are dealing with malware.

Shortly about cryptocurrency mining

Cryptocurrency mining is a term that means the action of calculating the transaction block hash. That is a basic element of anything based on the blockchain technology. Since this action takes a lot of calculations, a strong PC is needed. Exactly, the video card is better for this purpose, because they have more cores available. Cryptomining farms are usually constructed of dozens of GPUs to conduct their activity effectively. Such systems are not usable for “usual” purposes, like gaming or browsing the Web. Fraudsters who gain money via this coin miner use someones’ PCs instead, even if they are used for the regular activity.

List of the typical coin miner symptoms

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How dangerous is the Btwrsupportservice.exe miner?

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

Initially, Btwrsupportservice.exe malware makes your system overloaded. It is not able to run your applications anymore, because all CPU power is used by a virus. That malware does not care for your necessities, all it pays attention to is making money on you. Even if you are patient, and you waited until browser is open, you will likely struggle with extremely sluggish performance. Pages will open for years, any sort of logins will take about a minute – just a nightmare for a person who works online.

Btwrsupportservice.exe Technical Summary.

“Visible” damage is not a single bad thing coin miners perform to your system. Btwrsupportservice.exe coin miner also deals damage to your OS. To execute all malevolent functions correctly, it ruins the protection features of your system. You will likely see your Microsoft Defender disabled – malware stops it to prevent recognition. If you open the HOSTS file, you will likely see a lot of new notes – they are added by this trojan miner to connect your computer to a malicious mining network. All these changes shall be reverted to the initial state in the process of PC recovery.

Hardware effects of coin miner activity

Besides decreasing your computer’s performance, running at peak level for long times can trigger damage to your machine and increase electricity costs. PC elements are created to easily get along with high load, but they are good with it only when they are in a good shape.

Little and covered CPU fan is hard to crack. Meanwhile, graphic cards have big and easy-to-access fans, 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 unusually high load caused by Btwrsupportservice.exe malware can easily lead to GPU failure¹. Video cards are also tend to have increased wearing when utilized for crypto mining. It is likely a bad situation when the performance of your graphic card plunges 20-30% just after several weeks of being used in such a way.

How did I get Btwrsupportservice.exe coin miner virus?

Coin miners are spread through different ways, but their main sources are malicious banners and programs from dubious sources

Coin miners are one of the most widespread malevolent programs among “serious” viruses. Adware often functions as a carrier for Btwrsupportservice.exe malware injection: it demonstrates you the banners, which contain a link to malware downloading. Yes, this abstract “malware” can belong to any kind – another adware, spyware, rogue or backdoor. But the statistics say that around 30% of all malware spread with the malicious banners are coin miners – and Btwrsupportservice.exe is just among them.

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 dubious website as a part of a program. People who spread hacked versions of favored programs (which do not require the license key) have small chances to get paid. Hence, there is a very big temptation to add malware to the final package of the hacked application and get a coin for each setup. Before blaming these individuals for hacking and also malware spreading, ask yourself – is it alright to avoid paying for the program in this manner? It is more affordable to pay $20-$30 one time than to pay a much greater sum for antivirus program and new parts for your PC.

How to remove the Btwrsupportservice.exe miner from my PC?

The best way to get rid of this coin miner virus is to use anti-malware software

Getting rid of such a virus involves using specific software. Effective security tool should have high capability at scanning and be lightweight – in order to make no problems with utilization also on weak PCs. In addition, it is recommended to have proactive security in your protection solution – to stop the virus even before it starts. Microsoft Defender lacks these functions for various factors. That’s why I’d suggest you to use a third-party anti-malware program for that goal. GridinSoft Anti-Malware is a perfect option that fits each of the discussed features.²

Prior to the virus removal, it is important to boot your operating system into Safe Mode with Networking. Since Btwrsupportservice.exe miner takes a lot of processor capacity, it is needed to halt it before launching the security program. Otherwise, your scan will last for years, even though the GridinSoft program is pretty lightweight.

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 launched with the system start. That gives you the ability to clean the PC without dealing with high processor usage of the coin miner.

Remove Btwrsupportservice.exe coin miner virus with GridinSoft Anti-Malware

Download and install GridinSoft Anti-Malware. You can use this anti-malware program for free during its 6-day trial period. In that term, all functions are available, and it takes no payments to remove malware from your system.

After activating your free trial, start Full scan. It may last up to 10 minutes. You may use the PC as usual.

When the scan is finished, press the Clean Now button to remove all detected elements from your system. This procedure takes less than a minute.

Now, you are good to go. Reboot your PC into a normal Windows mode and use just as there was nothing malicious.

1. About unwanted effects for GPUs in the process of cryptomining.
2. Our review on GridinSoft Anti-Malware.

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