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What is svchost.exe?

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 svchost.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.

Click to Run a Free Scan for svchost.exe related errors

Svchost.exe file information

Windows Task Manager with svchost
Svchost.exe process in Windows Task Manager

The process known as Generic Host Process for Win32 Services or Host Process for Windows Services or winrscmde or AutoHotkey or BindFile Microsoft or mIRC or CCProxy Microsoft MFC Application or Windows Host Process

belongs to software Microsoft Windows Operating System or AutoHotkey or GT.exe or BindFile or mIRC or Remote Access Auto Connection Manager or guangao or Generic Host Process for Win32 Services

by Microsoft (www.microsoft.com) or Home or mIRC Co. (www.mirc.com) or MS User or TODO: lQøST or Clickteam or All or VolkS.

Description: The original svchost.exe from Microsoft is an important part of Windows, but often causes problems. Svchost.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 8/7/XP are 14,336 bytes (80% of all occurrences), 20,992 bytes and 34 more variants. http://www.file.net/process/svchost.exe.html 
It is a Windows system file. The program has no visible window. The file is a trustworthy file from Microsoft. The application listens for or sends data on open ports to a LAN or the Internet. Therefore the technical security rating is 9% dangerous, however you should also read the user reviews.

Recommended: Identify svchost.exe related errors

Viruses with the same file name

Is svchost.exe a virus? No, it is not. The true svchost.exe file is a safe Microsoft Windows system process, called "Generic Host Process". However, writers of malware programs, such as viruses, worms, and Trojans deliberately give their processes the same file name to escape detection. Viruses with the same file name are e.g. IRC.Backdoor.Trojan or Trojan.Gen (detected by Symantec), and Trojan-Downloader.Win32.VB.bsa or P2P-Worm.Win32.Palevo.andm (detected by Kaspersky).
To ensure that no rogue svchost.exe is running on your PC, click here to run a Free Malware Scan.

How to recognize suspicious variants?

External information from Paul Collins:
There are different files with the same name:

Important: Some malware disguises itself as svchost.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the svchost.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.

Score

User Comments

Seems to be running all the time now. Probably causing on-line duties to slow down rather than speed up. If I end process through task manager have to reboot computer to get on-line again.
  Paul Kelly  
Its an essential program used by windows to run, if its terminated in the task manager your computer will shut down automatically, my computer runs 6 svchost.exe programs at once and they use barely any cpu, just to say, its essential for your computer so dont delete it
  theking  
windows process
  josh  
This process mostly used for support background process
  TARUN TCT   (further information)
I find that this takes 100% CPU but after 15 to 20 minutes it returns back to normal CPU usage. During this period of 15 to 20 minutes I don't do anything on my LT. It started in my LT especially when it goes to hibernate and when restarted again.
  Ramesh  
Weird, but this is one of the only exceptions to Window's restriction on complete filenames being unique. (as in "C:\folder\folder\file.extention.") I have several instances of the file residing in the same location, with unique sizes. While not dangerous, it is somewhat odd...
  Leviathan  
If it is spelled correctly within your task manager it is not dangerous. Only if there is a misspelling we are dealing with something dangerous.
  Bastiaan   (further information)
I have 6 svchost running and my internet and pc is really slow. I tried so many softwares to check and clean my pc of viruses and malwares but the problem is still persistent. I am running the analyzer and it has the warning message...
  Janice  
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of svchost.exe: based on 753 votes with 9 reviews. 220 users think svchost.exe is essential for Windows or an installed application. 37 users think it's probably harmless. 182 users think it's neither essential nor dangerous. 89 users suspect danger. 225 users think svchost.exe is dangerous and recommend removing it. 70 users don't grade svchost.exe ("not sure about it").


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Best practices for resolving svchost issues

A clean and tidy computer is the key requirement for avoiding problems with svchost. 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 svchost.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.



Other processes

svchost.exe [all]