3721 Chinese Keywords

3721 Chinese Keywords, also known as CNSMin or Adware.CDN, is keyword-lookup provider that takes over the search feature of IE's address bar. It is aimed at providing keywords using Chinese characters. Its installation is not transparent and effortless, and removal is nearly impossible. Is installed by ActiveX drive-by-download at its company's site, 3721.com. Has also apparently been included in junk e-mail, which could be how some Western users have ended up with it. 3721 Chinese Keywords (CNSMin) runs when Windows loads, and once installed is always running.0

General information:

Malware Name: 3721 Chinese Keywords
Malware Type: Adware
Company Name: 3721 Technology Co. Ltd
Company URL: http://www.3721.com/
Threat Level: High Risk
Operating System: WIN XP
Installation Type: Installed through EXE
Operation: Time of After Installation

Company Description:

3721 Technology Co. Ltd provides us the software 3721 Chinese Keywords that works as long as the browser directly addresses the importation of Chinese column, it can reach the website. It also has Chinese Internet functions, such as your browser's address column became a super search box.

Spyware Description:

3721 Chinese Keywords, also known as CNSMin or Adware.CDN, is keyword-lookup provider that takes over the search feature of IE's address bar. It is aimed at providing keywords using Chinese characters. Its installation is not transparent and effortless, and removal is nearly impossible. Is installed by ActiveX drive-by-download at its company's site, 3721.com. Has also apparently been included in junk e-mail, which could be how some Western users have ended up with it. 3721 Chinese Keywords (CNSMin) runs when Windows loads, and once installed is always running.0

Characteristics/Symptoms:

    -> It tracks online habits. -> This is another Chinese oriented adware program. -> This threat can get installed without user’s notice. -> It can negatively impact computer’s performance and stability. -> Installs a BHO that changes the Browser settings.0

Additional information might be found here:

google Search at Google for 3721 Chinese Keywords
bing Search at Bing for 3721 Chinese Keywords
yahoo Search at Yahoo for 3721 Chinese Keywords

Processes Running:

File information Created after Installation:

File Location Size (Bytes) Type
C:\WINDOWS\Downloaded Program Files\CnsMin.dll 274432 DLL File
C:\WINDOWS\Downloaded Program Files\CnsMin.ini 141 INI File
C:\WINDOWS\Downloaded Program Files\CnsMinCg.ini 9014 INI File

Folder information Created after Installation:

Folder Location

Registry information Created after Installation:

Main Registry Key Sub Registry Key Key Value Name
HKEY_LOCAL_MACHINE SOFTWAREMicrosoftWindowsCurrentVersionUninstallCnsMin DisplayName
HKEY_LOCAL_MACHINE SOFTWAREMicrosoftWindowsCurrentVersionUninstallCnsMin UninstallString
HKEY_LOCAL_MACHINE \SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\CnsMin