Sctools.exe Removal

Parasite may reinstall itself multiple times if you don't delete its core files. We recommend downloading SpyHunter to scan for malicious programs installed with it. This may save you hours and cut down your time to about 15 minutes. 

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This page aims to help you remove Sctools.exe. Our removal instructions work for every version of Windows.

This article is created for users, who have recently had the misfortune of getting their PC infected by a virus named Sctools.exe. To our and your disappointment, this is not a threat, which could be dealt with easily. Sctools.exe is a sophisticated malware from the Trojan horse type and its harmful features can cause serious issues to any computer. The good news is that, on this page, you will find a detailed explanation of the exact steps, which could help you remove the infection in a quick and reliable manner. The Removal Guide below contains all that you may need to quickly eliminate the threat so you should better follow its instructions as soon as possible if you want to prevent the malicious consequences, which Sctools.exe may cause to your PC. We have also tried to provide you with relevant safety tips for future prevention of Trojan Horse infections. Check out the prevention and protection tips in the paragraphs below and let us know if you have any more questions and concerns.

What is a Trojan horse?

With a name inspired by the famous Greek myth about the War of Troy, the Trojans are computer threats, which hide their extremely harmful nature under the guise of some seemingly useful and harmless-looking online applications or files. The criminals who create such pieces of software use very sophisticated camouflage, which is intended to trick the users into allowing the Trojan inside their computers without knowing what a dreadful threat they have actually come across. Once inside, the malware tries to perform its criminal tasks in stealth and remain hidden for as long as possible. That’s why it often doesn’t trigger any visible symptoms. In many cases, only a good antivirus software program may be able to detect and catch the harmful virus on time. That’s why we strongly advise all our readers to not neglect the importance of having such software and rather consider it as an investment in their their safety.

Sctools.exe Removal



Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).



We get asked this a lot, so we are putting it here: Removing parasite manually may take hours and damage your system in the process. We recommend downloading SpyHunter to see if it can detect parasite files for you.

Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab. Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

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Maximum file size: 128MB.

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Virus Scanner Result

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections. 


Hold together the Start Key and R. Type appwiz.cpl –> OK.


You are now in the Control Panel. Look for suspicious entries. Uninstall it/them. If you see a screen like this when you click Uninstall, choose NO:



Type msconfig in the search field and hit enter. A window will pop-up:


Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.

  • Remember this step – if you have reason to believe a bigger threat (like ransomware) is on your PC, check everything here.

Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

hosts_opt (1)

If there are suspicious IPs below “Localhost” – write to us in the comments.


To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

Type Regedit in the windows search field and press Enter.

Once inside, press CTRL and F together and type the virus’s Name. Right click and delete any entries you find with a similar name. If they don’t show up this way, go manually to these directories and delete/uninstall them:

  • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
    HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
    HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!

What do Trojans do?

Trojans like Sctools.exe, typically, rely on their ability to remain unnoticed for as long as possible in order to perform their harm. For example, they may sit passively on your PC for weeks or even months before they actually receive commands from their creators and get activated. In most of the cases, such malware would be busy exploiting vulnerabilities in your security or collecting information about you, your work, personal life, your online profiles, passwords and accounts. Or it may secretly provide the hackers with remote control over your PC.

After knowing this, it is not surprising that this type of illegal software is so popular among the cyber-criminal circles and why the number of Trojan infections is growing so fast. These threats could be used for practically anything and the fact that they can mask themselves as legitimate files, ads, links, web pages, attachments, torrents and what not, makes it really easy for them to infect any computer. The crooks can program the Trojan to perform a specific criminal task and it all really depends on the specific goal of the hacker. With a powerful virus like Sctools.exe, they can easily make changes to your security settings, your OS processes, software settings, Registry Keys, and pretty much anything that is stored on the infected machine. They may also use the Trojan to insert other viruses into the system without any visible symptoms. There are many reported cases of Ransomware infections which have happened thanks to the previous presence of a Trojan horse on the computer. You surely don’t want to experience the shock of a ransom-demanding message on your screen caused by the presence of a Ransomware on your PC that has been loaded there by a previous Trojan Horse infection. That’s why we highly recommend you run a throughout system scan with the professional malware removal tool from the guide below and remove the hidden malware immediately.

How do I protect myself against Trojans?

This is likely not the first time that you are hearing (reading) this but keeping away from sketchy content, unfamiliar web pages, different intrusive ads, pop-ups, sudden software update requests, free installers and dubious email attachments can greatly reduce the risk of bumping into a Trojan horse or some other nasty virus. That’s why we would advise you to be mindful when browsing the Internet and stick to known and reputed web locations. We already explained above how important it is to have a reliable antivirus software, so don’t lose time and get yourself one. If you are hesitant and don’t really know what kind of software is best for you, feel free to check our recommendation or contact a professional for additional consultation. After all, even the computer experts rely on some good software protection and so should you.


Name Sctools.exe
Type Trojan
Danger Level  High (Trojans are often used as a backdoor for Ransomware)
Symptoms This threat tires to remain hidden and usually does not trigger any visible symptoms. 
Distribution Method  Infected web pages, malicious email attachments, fake ads, misleading links, spam messages, pop-ups, pirated materials, torrents. 
Detection Tool

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