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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Quaters.A

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Quaters.A
Technical name:W32/Quaters.A.worm
Threat level:Low
Alias:W32/Quaters-A, I-Worm.generic
Type:Worm
Effects:  It ends processes belonging to antivirus programs and firewalls. It disables the Windows Registry Editor and the Task manager. It attempts to launch a denial of service attack against the website www.number-10.gov.uk

Affected platforms:

Windows XP/2000/NT/ME/98/95

Detection updated on:Dec. 26, 2003
StatisticsNo

Brief Description 

    

Quaters.A is a worm that spreads via e-mail and IRC.

Quaters.A ends processes belonging to antivirus programs, firewalls and system monitoring tools. This leaves the affected computer vulnerable to the attack of other viruses and worms. Quaters.A disables the Windows Registry Editor and the Task Manager.

Quaters.A can attempt a denial of service (DoS) attack agains the website www.number-10.gov.uk. In addition, if the affected computer is a web server, Quaters.A overwrites scripts and files located in the directory c:\ inetpub\ wwwroot.

In order to spread via IRC, Quaters.A exploits a vulnerability of the chat program mIRC, which exists in the versions 5.3x or earliers.

Visible Symptoms 

    

Quaters.A is easy to recognize once it has reached the computer, as it displays the following message on screen: