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What is ytnavassist.dll?

Part of Yahoo! Toolbar Nav Assistant plugin by Yahoo!

What is it?

Yahoo! Toolbar is a toolbar that installs on the Internet Explorer and Firefox browsers, within the context of internet access functions. It allows access to several functions, including Yahoo! Search and Yahoo! Mail. Several additional features are available on the Internet Explorer version.
Description of ytnavassist.dll from Yahoo!
Yahoo! Toolbar is included in the typical install when downloading Yahoo! Messenger or various other Yahoo! free products. Yahoo! Toolbar allows you to check if your friends are online and change your status right from the browser. You can also enjoy anytime access to Yahoo! Search and your favorite Yahoo! sites.
Download Boost and enjoy your PC. Speed up Yahoo! Toolbar Nav Assistant plugin and optimize your PC.

How is ytnavassist.dll loaded?

Internet Explorer URL search hook - The ytnavassist.dll IE search hook plugin has a registered CLSID of {81017EA9-9AA8-4A6A-9734-7AF40E7D593F}. A URL Search Hook is called by Internet Explorer when the browser cannot determine the protocol (such as http, ftp, etc.) of a URL address. When attempting to navigate to a URL that does not contain a protocol, Internet Explorer first attempts to determine the correct protocol using the unmodified address.

Community

What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the ytnavassist.dll file.Of the 0.1% of ytnavassist.dll users, 13.0% have disabled it.
Typical file (disk image) location:
C:\Program Files\yahoo!\companion\installs\cpn0\ytnavassist.dll

Are there other versions of Yahoo! Toolbar Nav Assistant p...?

What else is related?

What Windows OS versions does this run on?

Windows Vista (TM) Home Premium (6.0.6002.131072)

About Yahoo! Inc.

Yahoo was founded in 1994 by David Filo and Jerry Yang. It has since evolved into a major internet brand with search, content verticals, and other web services. More...
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File details

File name: ytnavassist.dll
Publisher: Yahoo! Inc. (verified)
Name: Yahoo! Toolbar Nav Assistant plugin
Description: Yahoo! Toolbar Nav Assistant plugin
Version: 2011, 1, 21, 01
Product version: 8, 3, 7, 22
Size: 208.8 KB
Original file name: YTNavAssist.dll

Digital certificate

Issued to: Yahoo! Inc.
Certificate authority: VeriSign
Effective date: 8/12/2009
Expiration date: 9/2/2012

IE URL search hook details

CLSID: {81017EA9-9AA8-4A6A-9734-7AF40E7D593F}

Image hashes

MD5: a1e27169e47806a8fb3a1a4e4a26730c
SHA-1: 4673bd9c944cd70f12f488765da26d1e0c1f6708
SHA-256: 238ecff072230b6c5b750e3c89409b75f470f617576ac61bfea2b16847dca5aa

PE image details

File entropy: 6.39170
File packed: No
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