What is ustorage.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 ustorage.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.

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Ustorage.exe file information

Windows Task Manager with ustorage
Ustorage.exe process in Windows Task Manager

The process known as UMSD belongs to software UMSD or U-Storage by unknown.

Description: Ustorage.exe is not essential for the Windows OS and causes relatively few problems. The file ustorage.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 352,360 bytes (55% of all occurrences), 217,088 bytes, 352,331 bytes or 360,552 bytes. 
There is no description of the program. The program is not visible. The process starts when Windows starts (see Registry key: MACHINE\Run). It is not a Windows system file. Ustorage.exe is able to monitor applications. Therefore the technical security rating is 60% dangerous; however you should also read the user reviews.

Uninstalling this variant: If you are having problems with ustorage.exe, you can also safely remove the program using the uninstall program of U-Storage or U-St (Control Panel ⇒ Uninstall a Program).

Recommended: Identify ustorage.exe related errors

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

USB Storage Treiber für Passwort geschützen Storage
  Uwe Sprenger  
usb key program for encrypting data on some usb keys ( canyon )
  Janez Zlato Sustar  
driver for a usb pen drive
Sometimes randomly renders one of two installed cd drives unusable.
it is used by certain USB key handlers and in these instances is useful and should not be removed
  Raoul de Neverlee  

Rating chart

Summary: Average user rating of ustorage.exe: based on 9 votes with 5 user comments. 4 users think ustorage.exe is essential for Windows or an installed application. 5 users think it's probably harmless.

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Best practices for resolving ustorage issues

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

ustorage.exe [all]