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What is shlext.dll?

Part of Avira Free Antivirus by Avira Operations GmbH & Co. KG

What is it?

Avira Shell Extension Library is part of Avira Free Antivirus, a free antivirus program from Avira that runs as a background process which checks every file opened or downloaded. Like many antivirus programs, it can run a full or custom scan to check the PC for malware in order to remove them. It updates its virus definitions automatically everyday by default using the Internet.
Description of shlext.dll from Avira Operations GmbH & Co. KG
Avira Free Antivirus eliminates many forms of malware including worms, rootkits, and costly dialers. Features include system scanner prevents infection from viruses, worms, and Trojans, blocks new viruses before they run and halts unknown code that looks suspicious, and click, run, and protect no awkward options express installation sets up your security system for you. System Scanner prevents infection from viruses, worms and Trojans. AHeAD Technology halts unknown code that looks suspicious.
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How is shlext.dll loaded?

Context menu handler - shlext.dll is typically associtated with identifier name of Shell Extension for Malware scanning. Windows Explorer displays a context menu for a file object when it is clicked with the right mouse button. This context menu allows various operations to be performed on the file object from within Explorer, like printing it or opening it with another program.
Approved shell extension - shlext.dll has a CLSID (globally unique identifier) of {45AC2688-0253-4ED8-97DE-B5370FA7D48A} with and identifier of Shell Extension for Malware scanning. When the system detects that the user is downloading an external program that runs as part of the Windows user interface, the system searches for a digital certificate or requests that the user approve the action. If you enable this policy, Windows only starts approved programs.
Avira Free Antivirus is loaded by:


What is the community is seeing?What is the community is doing?
About 0.3% of all Boost users have the shlext.dll file.Of the 0.3% of shlext.dll users, 16.7% have disabled it.
Typical file (disk image) location:
C:\Program Files\avira\antivir desktop\shlext.dll

Are there other versions of Avira Free Antivirus?

What else is related?

What Windows OS versions does this run on?

Windows 7 Ultimate (6.1.7601.65536)

About Avira Operations GmbH & Co. KG

Avira Operations GmbH is a German antivirus software company. Avira is one of the most widely used antivirus programs in the world, with 100 million users world More...
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File details

File name: shlext.dll
Publisher: Avira Operations GmbH & Co. KG (verified)
Name: Avira Free Antivirus
Description: Avira Shell Extension Library
Size: 151.05 KB

Digital certificate

Certificate authority: VeriSign
Effective date: 7/20/2011
Expiration date: 7/20/2014

Context menu handler details

Name: Shell Extension for Malware scanning

Approved shell extension details

CLSID: {45AC2688-0253-4ED8-97DE-B5370FA7D48A}
Command: Shell Extension for Malware scanning

Image hashes

MD5: 48fe8d87fff2ef479729f43880ad9de1
SHA-1: 5c8c31d5fcf408eee7e33f661ebb5f127a21a1b9

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++ 10.0
File packed: No
Import Table
Export Table
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