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Adware:W32/Iehlpr

Classification

Category:

Spyware

Type:

Adware

Summary

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

Removal

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

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