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What is avpref.dll?

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

What is it?

Avira Prefix Library is part of Avira Antivirus Premium which includes all features of the Free edition plus it 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 and includes Email scanning and WebGuard to block access to malicious sites.
Description of avpref.dll from Avira Operations GmbH & Co. KG
As life grows in more digital directions, great PC antivirus becomes only one part of your overall security. The latest version of our premium antivirus now offers more ways to be secure, including web anti-tracking and mobile protection. Our premium security software brings crucial anti-malware and privacy protection to your busy online world. So live it up and leave malware behind once and for all! Your online safety is made possible by Avira’s ultrafast, cloud-enhanced virus protection. Preventing PC viruses is just one aspect of staying safe online. By simply choosing premium antivirus, you’ll be ready to protect your smartphone against loss and theft, block out spyware and companies who follow you on the web, access social networking parental controls. And that’s only the beginning.
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How is avpref.dll loaded?

Process Module - avpref.dll is loaded as a DLL (dynamic link library) module within the process avguard.exe (Avira Antivirus Premium by Avira Operations GmbH & Co. KG) via run-time dynamic linking.

Community

What is the community is seeing?What is the community is doing?
About 0.5% of all Boost users have the avpref.dll file.Of the 0.5% of avpref.dll users, 11.1% have disabled it.
Typical file (disk image) location:
C:\Program Files\avira\antivir desktop\avpref.dll

Are there other versions of Avira Antivirus Premium?

Why are multiple of the same versions listed?

What else is related?

What Windows OS versions does this run on?

Windows 7 Home Premium (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: avpref.dll
Publisher: Avira Operations GmbH & Co. KG (verified)
Name: Avira Antivirus Premium
Description: Avira Prefix Library
Version: 13.6.0.1550
Size: 47.05 KB

Digital certificate

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

Image hashes

MD5: 0983c3f116eb3d2946141a35bdd8ed68
SHA-1: 5c84ebb012267b6a9cc8a8674332204e18a02a23
SHA-256: 98a0ff5a229b3c82264d1e6cfae19d8c1407c93a9d048cecaf15023a7c00937c

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++ 10.0
File packed: No
Import Table
kernel32.dll
msvcr100.dll
Export Table
doneprefix
freecategorylist
freesellist
getcategorylist
getprefix
getprefixcategory
getprefixex
getprefixqua
getsellist
initprefix
isprefixactive
isprefixheuristic
setprefixactive
setprefixqua
setprefixselectionflag
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