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What is avpref.dll?

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

What is it?

Avira Prefix 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 avpref.dll from Avira Operations GmbH & Co. KG
Our entry-level antivirus eliminates many forms of malware, including worms, rootkits and costly dialers. System Scanner prevents infection from viruses, worms and Trojans. AHeAD Technology halts unknown code that looks suspicious.
Download Boost (100% FREE) Speed up Avira Free Antivirus and optimize your PC.

How is avpref.dll loaded?

Process Module - avpref.dll is loaded as a DLL (dynamic link library) module within the process avguard.exe (Avira Free Antivirus 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 0.1% of all Boost users have the avpref.dll file.Of the 0.1% of avpref.dll users, 27.0% have disabled it.
Typical file (disk image) location:
C:\Program Files\avira\antivir desktop\avpref.dll

Are there other versions of Avira Free Antivirus?

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 Free Antivirus
Description: Avira Prefix Library
Version: 13.6.0.480
Size: 49.86 KB

Digital certificate

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

Image hashes

MD5: 36b3d33169dfada13d0c0a4282c66413
SHA-1: a937d9e9261665f73af439ba86e93ce66cc54fb2

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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