StartPage-B

This page shows details and results of our analysis on the malware StartPage-B

Download Current DAT: 6614

Threat Detail

Malware Type: Trojan

Malware Sub-type: N/A

Discovery Date: 2002-07-30

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

4217 (2002-08-07)

Updated DAT

4478 (2005-04-27)

Minimum Engine

5.1.00

File Length

127,489 bytes

Description Added

2002-08-08

Description Modified

2002-08-08

Malware Proliferation

Characteristics

This Trojan is compressed with the UPX packer. When run, it will modify the Internet Explorer start page setting. This is accomplished by changing a setting in the registry.

The start page is set to a Russian web page, http://yandex.8n.com. This website will redirect to www.porta.ru/index.html.

Symptoms

Modified default start page in Internet Explorer

Method of Infection

This Trojan will modify the registry numerous times to run at Windows startup. Due to the multiple entries, the system may become slow and unresponsive after the Trojan loads into Windows memory.

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.