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What is ycomp5_1_6_0.dll?

Part of Yahoo! Companion 5.1 by Yahoo!

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How is ycomp5_1_6_0.dll loaded?

Internet Explorer toolbar - The ycomp5_1_6_0.dll browser toolbar extension has a registered CLSID of {EF99BD32-C1FB-11D2-892F-0090271D4F88}. These are the toolbars that are typically underneath the navigation bar and menu in Internet Explorer and are visible as either a full or partial row.
Internet Explorer web browser - ycomp5_1_6_0.dll has a CLSID (globally unique identifier) of {EF99BD32-C1FB-11D2-892F-0090271D4F88}. An IE Web Browser application supplements some of Internet Explorer's user interface components for browsing by adding additional features that interact with the Internet Explorer Browser. This is accomplished by utilizing Internet Explorer's layout and rendering engine and extending it.
Safe for scripting control - ycomp5_1_6_0.dll has a CLSID (globally unique identifier) of {02478D38-C3F9-4efb-9B51-7695ECA05670} with and identifier of CLSID\{02478D38-C3F9-4efb-9B51-7695ECA05670}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}. Safe for scripting is a Windows policy that disables the Internet Explorer security prompt for Windows Installer scripts. It allows Web-based programs to install software on the computer without notifying the user. By default, when a script hosted by an Internet browser tries to install a program on the system, the system warns users and allows them to select or refuse the installation. This setting suppresses the warning and allows the installation to proceed.
Safe for initializing control - ycomp5_1_6_0.dll has a CLSID (globally unique identifier) of {02478D38-C3F9-4efb-9B51-7695ECA05670} with and identifier of CLSID\{02478D38-C3F9-4efb-9B51-7695ECA05670}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}. When a program is initialized, it can receive data from another program for initializing its state. This is a potential security hazard because the data could come from an untrusted source. Programs that guarantee no security breach regardless of the data source are considered safe for initialization and are registered as such.


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the ycomp5_1_6_0.dll file.Of the 0.1% of ycomp5_1_6_0.dll users, 23.0% have disabled it.
Typical file (disk image) location:
C:\Program Files\yahoo!\common\ycomp5_1_6_0.dll

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.131072)

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: ycomp5_1_6_0.dll
Publisher: Yahoo! Inc.
Name: Yahoo! Companion 5.1
Description: Yahoo! Companion 5.1 for Internet Explorer
Version: 2003, 6, 19, 1
Product version: 5, 1, 6, 0
Size: 204.58 KB
Original file name: ycomp5_1_6_0.dll

Internet Explorer toolbar details

CLSID: {EF99BD32-C1FB-11D2-892F-0090271D4F88}

IE web browser details

CLSID: {EF99BD32-C1FB-11D2-892F-0090271D4F88}

Safe for scripting control details

CLSID: {EF99BD32-C1FB-11D2-892F-0090271D4F88}
Command: CLSID\{EF99BD32-C1FB-11D2-892F-0090271D4F88}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}

Safe for initializing control details

CLSID: {EF99BD32-C1FB-11D2-892F-0090271D4F88}
Command: CLSID\{EF99BD32-C1FB-11D2-892F-0090271D4F88}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}

Image hashes

MD5: cd6f9b1289eb0d01fee7a95a1c6ce54e
SHA-1: 8beedaee5ff2d1fa08615a382c6bed8bf0f4d668
SHA-256: f687e9d07bb12463a4e79e6ee418142e7bbc48078fc4f4fd10aca680ec756ac2

PE image details

File packed: No
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