Searchfilter.exe Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Searchfilter.exe process belongs to a harmful program that can accurately be identified as a coin miner trojan virus. That malware form uses your hardware to mine cryptocurrencies, generally – Monero or DarkCoin1. It makes your personal computer pretty much unfunctional because of high CPU usage.
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What is Searchfilter.exe process?

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

As I have actually pointed out earlier, Searchfilter.exe is a coin miner trojan. The names of the .exe file can be diverse, however, the consequences are almost always the same. Considering that coin miners aim at cryptocurrency mining, they use all possible hardware power of your personal computer to perform this process. This malware does not take note of the fact that you may need to make use of your desktop for other activities – it will consistently use over 80% of your CPU power.

Searchfilter.exe Windows Process

Searchfilter.exe – Extremely high CPU as well as GPU usage

Besides CPU usage, some of the coin miners additionally use GPU power for their operations. In that instance, you will likely struggle even to see the mouse arrow moving – GPU is usually used on 100%. It is not as essential as processor for system work, so Searchfilter.exe coin miner viruses don’t waste time on trifles and use it all. It often may cause sad consequences.

Shortly about cryptocurrency mining

Cryptocurrency mining is a term that means the action of calculating the transaction block hash. That is a integral element of anything based on the blockchain technology. Since this operation takes a lot of calculations, a strong PC is required. Exactly, the video card is better for this purpose, because they have more cores available. Cryptomining farms usually consist of dozens of graphic cards to conduct their activity effectively. Such computer systems are not usable for “general” purposes, like gaming or web browsing. Fraudsters who make profit via this coin miner use someones’ PCs instead, even if they are used for the regular activity.2

List of the typical coin miner symptoms

  • Microsoft Defender is stopped;
  • CPU and GPU is loaded at 80-90% exactly after the system start
  • Cooling fans are running at high speed and create a lot of noise
  • A single process in Task Manager consumes all CPU and GPU power
  • How dangerous is the Searchfilter.exe miner?

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

    Firstly, Searchfilter.exe virus makes your system overloaded. It is not able to run your applications anymore, since all CPU power is used by a malware. That malware does not care for your necessities, all it focuses on is generating profits on you. Even if you are patient, and you waited until web browser is open, you will likely suffer from exceptionally sluggish performance. Pages can open up for years, any type of logins will take about a minute – just a horror story for a person that works online.

    Searchfilter.exe Technical Summary.

    File NameSearchfilter.exe
    TypeTrojan Coin Miner
    Detection NameTrojan:Win32/CoinMiner
    Distribution MethodSoftware bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behaviorMmm1.exe, Etece.exe, Etehe.exe
    RemovalDownload and install GridinSoft Anti-Malware for automatic Searchfilter.exe removal.

    “Visible” harm is not a single negative activity coin miners do to your personal computer. Searchfilter.exe coin miner additionally deals damage to your OS. To complete all malicious operations effectively, it wrecks the security mechanisms 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 brought in by this trojan miner to connect your computer to a malicious mining network. All these adjustments shall be gone back to the initial state in the process of computer recovery.

    Hardware effects of coin miner activity

    Besides decreasing your system’s performance, performing at peak level for a long period of time may trigger damage to your device and increase electricity costs. PC components are created to easily deal with high load, but they are good with it only when they are in a good shape.

    Little and well-protected processor cooling system is hard to damage. Meanwhile, GPUs have large and easy-to-access fans, which can be easily cracked if affected while working, for example, by the user much earlier before the virus injection. Malfunctioning cooling system, together with the really high load caused by Searchfilter.exe miner can easily lead to graphic processing unit failure3. Video cards are also tend to have increased wearing when used for cryptocurrency mining. It is likely a bad situation when your GPU’s performance plunges 20-30% just after several weeks of being used in such a way.

    How did I get Searchfilter.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 malicious programs through “serious” malware. Adware often works as a carrier for Searchfilter.exe malware infiltration: it demonstrates you the banners, which have a link to malware downloading. Yes, this abstract “malware” may belong to any type – yet another adware, spyware, rogue or backdoor. However, the statistics show that about 30% of all viruses spread with the malicious banners are coin miners – and Searchfilter.exe is just with them.4

    Unwanted banners adware

    The example of malicious banners you can see in the Internet

    An additional way you could get this item on your computer is by downloading it from the suspicious website as a part of a program. Users who spread hacked variants of well-known programs (which do not need the license key) have small chances to get paid. Hence, there is a very big temptation to add in malware to the final package of the hacked app and get a coin for each installation. Prior to criticizing these guys for hacking and malware distribution, ask yourself – is it OK to avoid purchasing the program in this manner? It is much cheaper to pay $20-$30 one time than to pay a much bigger sum for antivirus software as well as new parts for your computer.

    How to remove the Searchfilter.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 requires making use of specific app. Proper antivirus must have high efficiency at scanning and be lightweight – in order to create no problems with usage even on weak PCs. In addition, it is better to have on-run protection in your protection solution – to prevent the virus even before it starts. Microsoft Defender lacks these features for different reasons. That’s why I’d advise you to use a third-party anti-malware program for that purpose. GridinSoft Anti-Malware is a perfect choice that fits all of the mentioned characteristics.5

    Prior to the virus removal, it is important to reboot your operating system into Safe Mode with Networking. Since Searchfilter.exe miner takes a lot of processor capacity, it is required to stop 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.

    Boot into Windows Safe Mode

    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.

    windows safe mode boot option with command prompt

    When your PC is in Safe Mode, all third-party software, along with the majority of non-critical operating system components, are not launched with the system start. That allows you to clean the computer without dealing with high processor usage of the coin miner.

    Remove Searchfilter.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.

    GridinSoft Anti-Malware free trial

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

    Scanning in GridinSoft Anti-Malware

    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.

    GridinSoft Anti-Malware after the scan process

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

    Remove Searchfilter.exe Virus ⛏️ Trojan Coin Miner

    Name: Searchfilter.exe

    Description: The Searchfilter.exe is a Trojan Coin Miner that uses the infected computer’s sources to mine electronic money without your authorization. This Searchfilter.exe will create your CPU to go for very warm temperatures for prolonged periods of time, which could reduce the life of the CPU.

    Operating System: Windows

    Application Category: Trojan

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    References

    1. Read about why Monero and DarkCoin are so popular amongst cybercriminals.
    2. Detailed explanation of how does cryptomining work.
    3. About unwanted effects for GPUs in the process of cryptomining.
    4. Read more about various malware type on Cybersecurity Glossary.
    5. Our review on GridinSoft Anti-Malware.

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    About the author

    Robert Bailey

    I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

    As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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