Adware:W32/Ejik

Classification

Riskware

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.

Find out more

Knowledge Base

Find the latest advice in our Community Knowledge Base.

User Guide

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

Contact Support

Chat with or call an expert for help.

Submit a sample

Submit a file or URL for further analysis.

Technical Details

Ejik is a family of adware that targets Chinese internet users.

Installation

The adware is installed with a randomly generated file name in the following directory:

  • %windir%\system32\

It also registers itself as a plugin module for Microsoft Internet Explorer and changes the starting page of the browser from its original setting.

Connection

Members of this adware family attempt to establish HTTP connections to Chinese domains. Example of connection attempts:

  • http://w w w.250hp.cn/updatedatan[...].aspx
  • http://w w w.info3344.cn/[...].txt
  • http://w w w.info3344.cn/zl.txt
  • http://w w w.web228.cn/topnew/[...].txt
  • http://w w w.web228.cn/topnew/[...].txt
  • http://w w w.web228.cn/topnew/[...].txt
  • http://w w w.web228.cn/topnew/top_[...].txt

Members also have the ability to download updates.

Date Created: 2009-02-04 05:57:33.0

Date Last Modified: 2009-02-04 07:09:28.0