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How to remove an smss error


Smss.exe is a executable file (a program) for Windows. The filename extension .exe is the abbreviation for executable. Only run executable files from publishers you trust, because executable files can potentially change your computer settings or harm your computer. The free file information forum can help you determine if smss.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or an application you can trust.

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


Smss.exe file information

The process known as Windows NT Session Manager or Windows Session Manager or Session Manager Subsystem or (xpclient.010817-11489) or File Loader or Freeware Promotion or Windows NT-Sitzungs-Manager or Live Update (version 64 bit)

belongs to software Microsoft Windows Operating System or Loader or @DVVAR (version p0dmen@) or LMOY or Windows Media Format Runtime or Card Adapter or Live Update (version 64 bit) or Betriebssystem Microsoft Windows

by Microsoft (www.microsoft.com) or Microsoft Windows Operation System or Black Internet or LMOY or PROMO Software or Symt64bit or 12,326 KB or MnBVfy.

Description: The file smss.exe is located in the folder C:\Windows\System32. Known file sizes on Windows 7/XP are 50,688 bytes (85% of all occurrences), 45,568 bytes and 8 more variants. http://www.file.net/process/smss.exe.html 
It is a Windows system file. The program has no visible window. The file is a trustworthy file from Microsoft. Therefore the technical security rating is 4% dangerous, however also read the users reviews.

Recommended: Identify smss.exe related errors .

Viruses with the same file name

Is smss.exe a virus? No, it is not. The true smss.exe file is a safe Microsoft Windows system process, called "Windows NT Session Manager". 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. Trojan-Spy.Win32.Agent.baow or Trojan.Win32.Agent.cgz (detected by Kaspersky), and Trojan.Generic.4922277 (detected by F-Secure).
To ensure that no rogue smss.exe is running on your PC, click here to run a Free Malware Scan.

How to recognize suspicious variants? If smss.exe is located in a subfolder of C:\Windows, the security rating is 52% dangerous. The file size is 47,104 bytes (6% of all occurrences), 55,390 bytes and 126 more variants. The file is not a Windows core file. There is no file information. The program is loaded during the Windows boot process (see Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell, HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit, C:\Windows\win.ini, HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders, HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\open\command, HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders, HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce). Smss.exe is able to monitor applications.

If smss.exe is located in the folder C:\Windows, the security rating is 78% dangerous. The file size is 50,176 bytes (11% of all occurrences), 34,816 bytes and 72 more variants. Smss.exe is not a Windows system file. The program is not visible. It is an unknown file in the Windows folder. The process starts upon Windows startup (see Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell, HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit, C:\Windows\win.ini, HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders, HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\open\command, HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders, HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce). The program uses ports to connect to a LAN or the Internet. There is no information about the author of the file. Smss.exe is able to monitor applications, hide itself and manipulate other programs.

If smss.exe is located in a subfolder of "C:\Program Files", the security rating is 61% dangerous. The file size is 185,026 bytes (16% of all occurrences), 131,916 bytes and 34 more variants.

If smss.exe is located in a subfolder of C:\Windows\System32, the security rating is 75% dangerous. The file size is 24,576 bytes (26% of all occurrences), 39,435 bytes and 32 more variants.

If smss.exe is located in a subfolder of "C:\Documents and Settings", the security rating is 55% dangerous. The file size is 42,065 bytes (7% of all occurrences), 196,608 bytes and 32 more variants.

If smss.exe is located in a subfolder of C:\Windows\System32\drivers, the security rating is 74% dangerous. The file size is 86,016 bytes (45% of all occurrences), 13,312 bytes, 244,868 bytes, 232,675 bytes or 144,721 bytes.

If smss.exe is located in the folder C:\Windows\System32\drivers, the security rating is 63% dangerous. The file size is 94,208 bytes (20% of all occurrences), 5,120 bytes and 8 more variants.

If smss.exe is located in a subfolder of C:\, the security rating is 64% dangerous. The file size is 276,480 bytes (12% of all occurrences), 81,408 bytes and 6 more variants.

If smss.exe is located in a subfolder of "C:\Program Files\Common Files", the security rating is 58% dangerous. The file size is 21,530 bytes (25% of all occurrences), 71,168 bytes, 21,538 bytes or 13,650 bytes.

If smss.exe is located in C:\, the security rating is 66% dangerous. The file size is 184,320 bytes (25% of all occurrences), 130,690 bytes, 110,592 bytes or 454,656 bytes.

If smss.exe is located in the folder "C:\Program Files\Common Files", the security rating is 72% dangerous. The file size is 167,568 bytes (33% of all occurrences), 130,690 bytes or 112,008 bytes.

If smss.exe is located in the "My Files" folder, the security rating is 74% dangerous. The file size is 425,984 bytes.

If smss.exe is located in the folder "C:\Program Files", the security rating is 68% dangerous. The file size is 112,099 bytes (33% of all occurrences), 11,776 bytes or 103,496 bytes.

If smss.exe is located in a subfolder of Windows Temp folder, the security rating is 42% dangerous. The file size is 240,128 bytes (50% of all occurrences) or 217,600 bytes.

If smss.exe is located in the Windows Temp folder, the security rating is 74% dangerous. The file size is 171,008 bytes.

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

  • "InteliSys" definitely not required. Advertisingvision adware - file is located in C:\Windows or C:\Winnt, and not in it's System32 subdirectory, as is the case with the legitimate Smss.exe system file which would normally NOT figure in Msconfig/Startup!
  • "SMSS" definitely not required. Added by the FLOOD.F TROJAN! Note - this is not the legitimate Smss.exe system file should normally NOT figure in Msconfig/Startup!

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

When closing this, it gave me the warning that if I ended this process, my OS would shut down (Win7). After scanning it with 3 Antivirus, it seems safe
  Devcon  
Only shows up in Security Manager as a pop up only, not on list. On pop up, system freeze, unable to obtain add'l info. This happened 3 times, you know it's not good. Plus on my pop up it states si in the top upper portion of the pop up for smss.exe.
  Sharon  
Came up dangerous for "Dr web" with a occasional message that takes a few clicks to, rid off.I have located the file, scan it, and "no threats detected"
  Adam  
It's System File and also someone used its name for virus. Look its properties by clicking right properties. If it signed by Microsoft it isn't a virus. But if it isn't signed by Microsoft, it is a virus
   
If you're running x64 windows it will show as smss.exe*32 in the task manager and thats a virus the system process Does not have the *32 and btw you can open the file location if it leads to anywhere but the system32 file it's a virus
  Salvatore  
Its safe :) Windows process :D
  QuaSter  
Not dangerous, its an important file.
   
smss.exe is a process which is a part of the Microsoft Windows Operating System. It is called the Session Manager Subsystem and is responsible for handling sessions on your system. This program is important for the stable and secure running of your computer and should not be terminated.
  virus  
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of smss.exe: based on 317 votes with 9 reviews.
102 users think smss.exe is essential for Windows or an installed application. 19 users think it's probably harmless. 58 users think it's neither essential nor dangerous. 34 users suspect danger. 104 users think smss.exe is dangerous and recommend removing it. 32 users don't grade smss.exe ("not sure about it").


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Smss scanner


Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.

SpeedUpMyPC scans, cleans, repairs and optimizes your computer.


Other processes


smss.exe [all]