Check Point Advisories

Update Protections against Recent Malware Threats (1-Apr-08)

Check Point Reference: CPAI-2008-051
Date Published: 1 Apr 2008
Severity: High
Last Updated: Tuesday 01 January, 2008
Source: http://www.enigmasoftware.com/support/?s=mobrules
http://spywaredetector.net/spyware_encyclopedia/ToolBar.ZZToolbar.htm
http://www.browserdefender.com/file/404730/site/chinarank.org.cn/
Protection Provided by:
Who is Vulnerable? Microsoft Windows clients
Vulnerability Description Malware is a software designed to infiltrate or damage a computer system without the owner's informed consent. It is a general name for a variety of forms of hostile, intrusive, or annoying programs like Viruses, worms, Adware, Trojans, and spyware that exploit unprotected clients, using network access to intrude upon organizations, destroying or stealing data.

Spyware is computer software that is installed without the user's informed consent on a personal computer to intercept or take partial control over the user's interaction with the computer. Spyware programs can collect various types of personal information, install additional software, redirect Web browser activity, or divert advertising revenue to a third party.

Adware is an advertising-supported software package which automatically plays, displays, or downloads advertising material to a computer after the software is installed on it or while the application is being used.

A Trojan horse is a program that installs malicious software while under the guise of doing something else.  Trojans are known for installing backdoor programs which allow unauthorized non permissible remote access to the victim's machine by unwanted parties with malicious intentions.

Vulnerability DetailsThe update includes new protections against 2 recent malware threats:

Trojan Downloader: Gen - Trojan Downloader Gen is a Spyware Trojan that installs malicious software without user permission. The Trojan will also open up a huge security hole on the infected system. It also delivers a large numbers of popup ads.

Toolbar: Chinarank - Chinarank (aka zzToolbar) is a Chinese toolbar application that hijacks the browser search engine and tries to retrieve updates automatically without user's consent.

Protection Overview

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