Adware:W32/Iehlpr

Classification

Spyware

Adware

W32

-

Summary

This program delivers advertising content to the user. It is usually annoying but harmless, unless it is combined with spyware or trackware.

Removal

Automatic action

Based on the settings of your F-Secure security product, it may block the file from running, move it to the quarantine where it cannot spread or cause harm, or ask you to select an action.

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Knowledge Base

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User Guide

See the user guide for your product on the Help Center.

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Submit a sample

Submit a file or URL for further analysis.

Technical Details

This is the family description for the Iehlpr family of adware.

Installation

During installation, a DLL is dropped at:

  • %appdata%\Microsoft\[...]

Where [...] is a directory that varies depending on the variant.

The name of the dropped DLL file varies, and observed names are "UserData" and "IEHelper". The file name uses the following format:

  • IEHelper_****.dll

Where **** is a 4-digit number, such as 5057.

Once dropped, the DLL is registered as a Browser Helper Object (BHO) in Microsoft Internet Explorer.

Activity

When active, the program displays advertisements while the user is browsing. It will also attempt to connect to a remote server.

Network Connections

Attempts to connect to:

  • login.yiqilai.com

Date Created: 2009-03-17 05:06:38.0

Date Last Modified: 2009-03-23 09:24:40.0