What is sshnas21.dll?

Sshnas21.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. You can fix your sshnas21.dll problem by downloading the correct sshnas21.dll file. The following information can help you determine if sshnas21.dll is a Windows system file or if it belongs to an application that you can trust.

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Sshnas21.dll file information

The process known as SSHNAS (SSHNAS) or Windows Setup API or fMacrox setup y or Dr.Web for Windows (version r 2011) or It is Nice Ware! Opera Gold Soft (version 2011) or vDrWeb For Windows (version r 2011) or b2T6R1R (version t4fjp5) or mUMicroSysXW setup gT

belongs to software SSHNAS (SSHNAS) or MSE Extrim (version 2011 Edition) or Dr.Web for Windows or Z1 Q or GoldSoft or AVG Internet Security (version 47) or max Edition (version 2011) or Dr.Web for Windows py

by Opera Software ( or Sun Microsystems ( or Avira GmbH ( or ComponentOne ( or Simon Tatham ( or ApexDC++ Development Team ( or Windows® Codename Longhorn DDK provider or Borland International (

Description: Sshnas21.dll is not essential for Windows and will often cause problems. The file sshnas21.dll is located in the C:\Windows\System32 folder or sometimes in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 175,104 bytes (3% of all occurrences), 228,864 bytes and 136 more variants. 
The service can be started or stopped from Services in the Control Panel or by other programs. The sshnas21.dll file is not a Windows system file. The program is not visible. The service has no detailed description. There is no description of the program. Sshnas21.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 51% dangerous; however you should also read the user reviews.

Recommended: Identify sshnas21.dll related errors

Important: Some malware also uses the file name sshnas21.dll, for example Trojan.Generic.4228984 (detected by F-Secure), and Trojan.Win32.FraudPack.aybb or (detected by Kaspersky). Therefore, you should check the sshnas21.dll 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

im task manager als svchost versteckt
It is a component of malware or spyware, you should immediately remove it using an antivirus and antispyware program.
McAfee Antivirus
its a small virus innofensive but can slow your computer
SSHNAS21.DLL is a malicious software that work on the system and causes the harm to the system. It increase usage of the process by running the multiple process. So if you are running with this dll file then remove it as soon as possible. It has following behavior. * It register DLL file * And implant the Code to other process * And the infected process create other process * Also create new background service on the machine
  Elena   (further information)

Summary: Average user rating of sshnas21.dll: based on 5 votes with 6 user comments. One user suspects danger. 4 users think sshnas21.dll is dangerous and recommend removing it. One user is not sure about it.

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Best practices for resolving sshnas21 issues

A clean and tidy computer is the key requirement for avoiding problems with sshnas21. 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.

To help you analyze the sshnas21.dll process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

sshnas21.dll [all]