The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the conhost.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.
The process known as Console Window Host or bitcoin-miner or Hôte de la fenêtre de la console belongs to software Microsoft Windows Operating System or Bitcoin Miner or Système d’exploitation Microsoft Windows by Microsoft (www.microsoft.com) or Ufasoft (www.ufasoft.com).
Description: Conhost.exe is not essential for Windows and will often cause problems. The conhost.exe file is located in a subfolder of "C:\Documents and Settings".
Known file sizes on Windows 8/7/XP are 169,984 bytes (5% of all occurrences), 191,488 bytes and 54 more variants.
It is a file with no information about its developer. The program is not visible. The file is not a Windows core file. The process is loaded during the Windows boot process (see Registry key: MACHINE\Run, Run, RunOnce, MACHINE\RunOnce, exefile). Conhost.exe is able to monitor applications. Therefore the technical security rating is 66% dangerous, however you should also read the user reviews.
Recommended: Identify conhost.exe related errors
Important: Some malware camouflages itself as conhost.exe, for example not-a-virus:RiskTool.Win32.BitCoinMiner.amv (detected by Kaspersky), and WS.Reputation.1 (detected by Symantec). Therefore, you should check the conhost.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
A clean and tidy computer is the key requirement for avoiding problems with conhost. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the conhost.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.