How to get rid of the ctfhost VirusSometimes the ctfhost file may cloak a virus, e.g. Symantec found Trojan.Gen.2, as well as Kaspersky found not-a-virus:RiskTool.Win64.BitCoinMiner.aar or, as the case may be, not-a-virus:RiskTool.Win64.BitCoinMiner.aap. If your anti-virus software does not detect a virus, try using a supplementary free Anti-Malware scanner.
Other problems with ctfhost.exe
The ctfhost.exe process is also known as Microsoft © Windows © Operating System and is a part of CTF Host. This software is produced by Microsoft (www.microsoft.com). An obsolete or defective version of ctfhost.exe can cause problems for your computer that can range from slowness to error messages such as these:
- Microsoft © Windows © Operating System has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- Microsoft © Windows © Operating System has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 10, 8, 7)
- ctfhost.exe has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module ctfhost.exe. Read of address 00000000.
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What you should know about ctfhost.exe Microsoft © Windows © Operating System
ctfhost.exe is not a Windows system file and is known to frequently cause computer problems. Ctfhost.exe is found in a subdirectory of "C:\Users\USERNAME".
Frequently occurring are file sizes such as 617,472 bytes (75% of all these files) or, as the case may be, 612,864 bytes.
This process does not have a visible window, and does not appear on the taskbar. Ctfhost.exe was developed by a so-called third party provider - and not by Microsoft. ctfhost.exe appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files. For this reason, 77% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
Attention: If you find ctfhost.exe on your computer, please scan it with an anti-virus product. If your anti-virus software does not recognize it as being harmful, then please make sure that you have the latest update of the signature file, or check the file online. For this option, you may want to use Security Task Manager. Here, click on the process with the right mouse button and send the file to an online virus scanner.
What do other computer users say about ctfhost?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall CTF Host
To remove Microsoft © Windows © Operating System from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. In Windows 8, look for Control Panel.
- Click Control Panel.
- Click Uninstall a program.
- Look for CTF Host in the list of available programs.
- Click Uninstall.
How to tell if ctfhost.exe (Microsoft © Windows © Operating System) was uninstalled cleanly
After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Microsoft © Windows © Operating System. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Microsoft © Windows © Operating System or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.
What to do if a program does not uninstall
The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.
Last but not least
If Windows not working quite right for you, or if startup is taking a long time, or ctfhost.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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