Should I block it?

56%
56% of PCs block this file from running.
Possible reason:
Performance resource utilization

pf.dll

PC Antivirus Web Protection BHO by PC Cleaners Inc. (Signed)

Remove pf.dll
Version:   0.5.0
MD5:   8f591ea0c35dfdbe445015cb3e199b46
SHA1:   505b0b68bdff92a493d96d76b6f3402ef2da38c8

Overview

pf.dll is loaded as dynamic link library that runs in the context of Internet Explorer. It is installed in Internet Explorer as a Browser Helper Object (BHO) which has full acess to the web browser's behaviors and content. This is typically installed with the program PC Cleaner AV published by PC Cleaners and is most likely removed by most users once installed (51% removed). The file is digitally signed by PC Cleaners Inc. which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Windows 7 Home Premium (6.1.7601.65536).

DetailsDetails

File name:pf.dll
Publisher:(c) PC Cleaners Inc. All rights reserved.
Product name:PC Antivirus Web Protection BHO
Typical file path:C:\Program Files\pc antivirus\pf.dll
File version:0.5.0
Size:248.38 KB (254,344 bytes)
Certificate
Issued to:PC Cleaners Inc.
Authority (CA):VeriSign
Effective date:Monday, January 23, 2012
Expiration date:Saturday, January 25, 2014
Digital DNA
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following program will install this file
PC Cleaners
  51% remove
PC Cleaner Antivirus gives you complete protection from viruses, spyware, rogue programs, trojans, adware, rootkit, dialers, worms, parasites and other potentially harmful programs along with other malware that might make computer fail, cause system errors, reduce performance and might even destroy or expose to 3rd parties users sensitive data. Spyware is also notorious for making your PC sluggish and unresponsive. Sometimes this is b...

BehaviorsBehaviors

Internet Explorer Browser Helper Object
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects'
  • BHO CLSID: {C11CBDA9-6702-469E-9CE1-64E3971A6B44}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 100.00%
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