How to remove NISShExt error

The free file information forum can help you find out if NISShExt.dll is a virus, trojan, spyware, adware which you can remove, or a file belonging to a Windows system or an application you can trust.

NISShExt.dll file information

The process NIS Shell Extension belongs to the software Norton Internet Security or NISShExt.dll by Symantec Corporation (www.symantec.com).

Description: NISShExt.dll is located in a subfolder of "C:\Program Files\Common Files" - mainly C:\Program Files\Common Files\Symantec Shared\AdBlocking\. Known file sizes on Windows XP are 126976 bytes (42% of all occurrence), 103568 bytes, 104064 bytes, 94336 bytes, 94384 bytes, 131072 bytes.
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your Internet browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as your browser itself. BHOs are often used by adware and spyware. The unique ID of this BHO is 9ECB9560-04F9-4bbc-943D-298DDF1699E1. The program has no visible window. File NISShExt.dll is able to monitor Internet browser. NISShExt.dll is not a Windows core file. You can uninstall this program in the control panel. The file is a Verisign signed file. It is digitally signed. Therefore the technical security rating is 37% dangerous, however also read the users reviews.

External information from Tony Klein:

This legitimate BHO (NISShExt.dll) is related to Norton Internet Security

Important: Some malware camouflage themselves as NISShExt.dll, particularly if they are located in c:\windows or c:\windows\system32 folder. Thus check the NISShExt.dll process on your pc whether it is pest. We recommend Security Task Manager for verifying your computer's security. It is one of the Top Download Picks of 2005 of The Washington Post and PC World.

Links: NISShExt.dll, NISShExt.dll

Score

User Comments

NISShExt.dll 2006

that it's good
betty breedlove

Safe if it's in \Common Files\Symantec Shared\AdBlocking\
Kender

If you have NAV installed then it's NAV, otherwise you'r infected
Henni

nis 2005
j. alberto (further information)

Norton Internet Security file thats what it is

Its a trojan that looks like norton, (i dont have norton or ever visited it site but i have it
Ahlam

Part of Symantec Norton Internet Security suite
Georg (further information)

Norton Internet Security system file
Protheus

Norton Internet Security
NickRivers

Norton Internet Security system file
per

Norton Internet Security ?
JQ

This is Norton IS system file
gman

Summary: 9 users think NISShExt.dll is essential for Windows or an installed application. 1 user think it's probably harmless. 3 users think it's neither essential nor dangerous. 1 user think NISShExt.dll is dangerous and recommend to remove it.. 1 user doesn't grade NISShExt.dll ("not sure about it").

NISShExt 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.

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