Adware:W32/EzTracks

Classification

Summary

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

Removal

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.

A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:

Check for the latest database updates
First check if your F-Secure security program is using the latest updates, then try scanning the file again.
Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.

Technical Details

This adware will install as a toolbar on the Microsoft Internet Explorer web browser. In addition, it changes the browser start page and search page in order to display advertisements.&

Installation

During installation, the adware loads the following module into the Internet Explorer process:

\SearchCar\SearchCar.dll

File System Changes

Creates these files:

\SearchCar\+.bmp
\SearchCar\-.bmp
\SearchCar\basis.xml
\SearchCar\block.bmp
\SearchCar\Cache
\SearchCar\clean.bmp
\SearchCar\film.bmp
\SearchCar\find.bmp
\SearchCar\home.bmp
\SearchCar\icons.bmp
\SearchCar\lianmeng.bmp
\SearchCar\mp3.bmp
\SearchCar\ring.bmp
\SearchCar\SearchCar.crc
\SearchCar\SearchCar.dll
\SearchCar\shoucang.bmp
\SearchCar\standard_icons.bmp
\SearchCar\tv.bmp
\SearchCar\version.txt
\SearchCar\weather.bmp

Create these directories:

\SearchCar

Network Connections

Attempts to connect with HTTP to:

toolsbar.kuaiso.com

Registry Modifications

Sets these values:

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main Start Page = "http://toolsbar.kuaiso.com/index.htm"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Search SearchAssistant = "http://toolsbar.kuaiso.com/search.html"
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser {6D53ADB7-6AD5-4A59-BFE4-7B57D2F4AA89}
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks {6D53ADB7-6AD5-4A59-BFE4-7B57D2F4AA89}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar {6D53ADB7-6AD5-4A59-BFE4-7B57D2F4AA89}

Creates these keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ToolBand.XBTP03129
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ToolBand.XBTP03129.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\XBTB03129.IEToolbar
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\XBTB03129.XBTB03129
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\XBTB03129.XBTB03129.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6D53ADB7-6AD5-4A59-BFE4-7B57D2F4AA89}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D3936CB2-582C-47ab-8A77-A2997ADFCCEC}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{7F690C83-DF75-4007-9BD9-1CE465522011}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D3936CB2-582C-47ab-8A77-A2997ADFCCEC}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\XBTB03129.XBTB03129Toolbar
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{6D53ADB7-6AD5-4A59-BFE4-7B57D2F4AA89}
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{D3936CB2-582C-47AB-8A77-A2997ADFCCEC}
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{E2E2DD38-D088-4134-82B7-F2BA38496583