Most antivirus programs identify sound.exe as malware—e.g. Kaspersky identifies it as Backdoor.Win32.Xtreme.azc, and TrendMicro identifies it as WORM_XTREME.SMM.
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sound.exe does not provide any particulars about the software with which the process was installed, nor is the developer identified within the file.
Description: Sound.exe is not essential for Windows and will often cause problems. The file sound.exe is located in a subfolder of the user's profile folder.
Known file sizes on Windows 10/8/7/XP are 1,885,184 bytes (50% of all occurrences) or 1,525,043 bytes.
The program has a visible window. There is no description of the program. The software is loaded during the Windows boot process (see Registry key: Run, RunOnce, MACHINE\Run, MACHINE\RunOnce, Winlogon\Shell). Sound.exe is not a Windows core file. Sound.exe is able to manipulate other programs. Therefore the technical security rating is 69% dangerous, however you should also read the user reviews.
Recommended: Identify sound.exe related errors
External information from Paul Collins:
Important: You should check the sound.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.
The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active sound process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the sound.exe on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.