How to remove the runouce virus

Most antivirus programs identify runouce.exe as malware—e.g. Microsoft identifies it as Virus:Win32/Chir.B@mm, and TrendMicro identifies it as PE_Chir.B-O.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

Click to Run a Free Virus Scan for the runouce.exe malware

Runouce.exe file information

Windows Task Manager with runouce
Runouce.exe process in Windows Task Manager

Little is known about the process, since there is no reference to the producer within the file.

Description: Runouce.exe is not essential for Windows and will often cause problems. Runouce.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 8/7/XP are 10,748 bytes (60% of all occurrences), 22,012 bytes and 8 more variants. 
There is no description of the program. The software starts when Windows starts (see Registry key: MACHINE\Run). Runouce.exe is not a Windows system file. The program is not visible. It is located in the Windows folder, but it is not a Windows core file. Runouce.exe is able to hide itself and manipulate other programs. Therefore the technical security rating is 73% dangerous, however you should also read the user reviews.

Recommended: Identify runouce.exe related errors

Important: You should check the runouce.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.


User Comments

its malishes i cant deletete it from my system
its windows xp file
Is a virus
runounce comes in pack whit a nice virus, it has the ability to block internet browesers and never show hidden files
This virus is really harmful, if you want to use your antivirus it shut down your pc . if you want to install an antivirus it shut down your pc. if you want to install new OS it shut down your pc . you must login from safe mod and rename the runouce.exe by creating a new exe file and change it's security options . I had problem about 1 week because of this damn virus . god damn the programmer .
  adel sarlak  
worse virus in the world.. very hard to recover windows, 90% of the time you have to reformat which sucks
i start my system n after some time my system hangs up (I HAVE 512 mb of ram)
it is a virus you can remove in safemode first go to windows/system32/runouce.exe it is hidden so first you open hidden files from top of the toolbar
It is a very dangerous virus
Remove Runouce.exe It is a Virus. runONCE is a legitimate file. Try reading people.
  Someone with a brain  
runouce.exe hangs my pc
I think its not windows xp file, windows xp file is runonce not runouce!!!!
runouce can mix itself whit a service some thing like nero backup service first we shoud stop non windows servise then end prosses runouce after that delete run folder from registry then delete that from system 32 folder and finaly disable from startup msconfig.
  hossain heidari  
if you want to remove runouce.exe it is possibe if you have installed two windows(OS) open other window which has no virus like this if you have not install it and search runouce.exe and deelete it from first window or attach your hard disk to other computer and search from your drive having windows and delete it.its too long but i recommend you should havetwo windows(Operating Systems) if one affected you can fix it from other
i remove it already. iam pakistani or my english i not good.if you want to remove it just open process tab and open regedit HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run). runouce.exe right click on it and click modify binary data del all the data on it press ok then right click on it click modify change the value then del it quickly open proces tab you see the all process there is a process runouce.exe right click on it and press end process tree if virus does not remove repeat all this process you should hurry up for this
it is the enemy of the computer i think itsa dangerous virus.whichh cannot delet
  ghanshyam dhakal from nepal  
realy its a vary danger
I think this is virus and it is inpossible to delete it or to remove or disable it
  Nisar ahmed  
it makes the prossesor working in full 100% ,then the pc not response because of that
  salam alani  
Runouce.exe is a malware,, if you want to stop run of this file, that you should have a search in windows\system32 folder, it’s a hidden file, many time of delete but it appear again and never delete...the solution is that, first you found the runouce.exe file, click right click to edit and open the file in notepad, when the file open in notepad all text that was copied in file delete all entries except first line, first line should have mention......then save the notepad file, runouce.exe were never attack to system originally ..It’s make a dummy file. Check it out. Computer will work properl
its a virus, and u can delete it using cmd.exe(if u knw how to use it. :p) and dnt forget abt regedit, go to registry and find out how much "runouce.exe" entries are there and then delete them.
Its a Virus!it first infected my explorer which caused it not to start as a result a blank(black)screen on startup...Other users couldn't login only adminstrator,finaly i jst formated my pc...note i was able to start programes manually by getting a copy of a clean explorer then start task manager(ctrl+shft+Esc)then run programme but wasn't worthy cause the programs stoped working after sometime...
VIRUS! it disable many application

Rating chart

Summary: Average user rating of runouce.exe: based on 23 votes with 24 user comments. 2 users think runouce.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 3 users suspect danger. 17 users think runouce.exe is dangerous and recommend removing it. 3 users don't grade runouce.exe ("not sure about it").

Do you have additional information?
What do you know about runouce.exe:
How would you rate it:
Link for more info:
Your Name:

Best practices for resolving runouce issues

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

runouce.exe [all]