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What is shlext.dll?

Part of AntiVir Desktop by Avira GmbH

What is it?

AntiVirus context menu for Avira Antivirus 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 computer 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 GmbH
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.


What is the community is seeing?What is the community is doing?
About 0.4% of all Boost users have the shlext.dll file.Of the 0.4% of shlext.dll users, 14.3% have disabled it.
Typical file (disk image) location:
C:\Program Files\avira\antivir desktop\shlext.dll

Are there other versions of AntiVir Desktop?

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.131072)

About Avira GmbH

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 GmbH
Name: AntiVir Desktop
Description: AntiVirus context menu
Size: 84.25 KB
Original file name: ShlExt.dll

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: 4863f13dae441ba2cb8632dc73be37a7
SHA-1: 2eefd622146604d2c0bc850d01c1f9ef496c2c8a
SHA-256: b6cfbb33e501472ed1685884a4608ba53464f2383cf61c5b0af9406434c3ec88

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++ 9.0
File entropy: 6.32368
File packed: No
Import Table
Export Table
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