What is billy.exe?

The genuine billy.exe file is a software component of Autorun Eater by Old McDonald's Farm.
A free security program, Billy the Goat monitors any instance of autorun applications and determines whether or not it is safe or not. Billy the Goat can be configured to allow certain instances, or automatically "eat" every one. It does not affect the autorun.inf file itself, but prevents it's contents from being executed. Autorun Eater is maintained by a private individual and is updated infrequently.

Billy stands for Billy The Goat

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 billy.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 billy.exe related errors

Billy.exe file information

Windows Task Manager with billy
Billy.exe process in Windows Task Manager

The process known as Billy The Goat or Billy Audio Player belongs to software Autorun Eater or Billy by Old McDonald's Farm ( or Sheep Friends.

Description: Billy.exe is not essential for the Windows OS and causes relatively few problems. The file billy.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 411,108 bytes (23% of all occurrences), 370,032 bytes and 5 more variants. 
It is a file with no information about its developer. The program is not visible. The application can be uninstalled in the Control Panel. The file is not a Windows core file. Billy.exe is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 34% dangerous, however you should also read the user reviews.

Uninstalling this variant: In the event of any problems with billy.exe, you may want to do the following:
  1) uninstall the associated program (Start > Control Panel > Uninstall a Program > Autorun Eater)
  2) visit the support page
  3) update the program.

Recommended: Identify billy.exe related errors

Important: Some malware camouflages itself as billy.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the billy.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

main component of 'autorun eater' a software to block autorun malware from executing
  Ted McBridge  
My Billy.exe’s a part of “AutoRun Eater” (by Old McDonald’s Farm Freeware) which prompts and where optioned, destroys suspicious autorun.inf files pretty much wherever found (usually on pen drives is where malicious autorun.inf’s are pervasive, eg; bar311′s one that has the ability to basically crate havoc by screwing up your MBR such that the second you log on, Windows (actually the malicious autorun.inf’s resulting effects) immediately log’s you off, such that even safe mode may not allow you to access your machine. Of note my Billy.exe’s located inside my XP’s c:\program files\autorun eater
  wguru   (further information)
If located in %Temp%\ixp000.tmp\billy.exe then it is a malware
  Bill Gates  
It keeps on poping up every time i click on any application, and this irritates
Its an annoying application......
  Dhinesh Kumar  
I had a problem more than once with malware disguising itself as an autorun file picked up on a USB drive in an internet cafe. Autorun Eater solved the problem.
    (further information)

Rating chart

Summary: Average user rating of billy.exe: based on 9 votes with 6 user comments. 5 users think billy.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous. 2 users think billy.exe is dangerous and recommend removing it.

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Best practices for resolving billy issues

A clean and tidy computer is the key requirement for avoiding problems with billy. 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 repairing of your installation or, for Windows 8 and later versions, 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 billy.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

billy.exe [all]