JS/Generic AdClicker.w

This page shows details and results of our analysis on the malware JS/Generic AdClicker.w

Download Current DAT: 6617

Threat Detail

Malware Type: Trojan

Malware Sub-type: Script

Discovery Date: 2008-06-20

Next Steps:

Overview
Characteristics
Symptoms
Method of Infection
Removal

Overview

This is a trojan detection. Unlike viruses, trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include email, malicious or hacked web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Minimum DAT

5322 (2008-06-20)

Updated DAT

5322 (2008-06-20)

Minimum Engine

5.1.00

File Length

1,119 bytes

Description Added

2008-06-20

Description Modified

2008-06-27

Malware Proliferation

Characteristics

JS/Generic AdClicker.w will access multiple websites in the background and click on banner advertisement to generate revenue for the trojan's author.

The user will see the following words in the browser:

Symptoms

Unexpected network connections to unknown websites

Method of Infection

The malicious script is triggered when the user surfs to a website hosting it.

Removal

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.