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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Gaobot.KRM

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Gaobot.KRM
Technical name:W32/Gaobot.KRM.worm
Threat level:Medium
Type:Worm
Effects:  

It connects to IRC servers in order to receive remote control commands and ends processes belonging to other worms and to several security tools. It exploits the vulnerabilities LSASS and RPC DCOM, among others, in order to spread to as many computers as possible.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:Oct. 17, 2005
Detection updated on:Oct. 24, 2005
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Gaobot.KRM is a worm that connects to several IRC servers in order to receive remote control commands, acting as a backdoor. It can be instructed to log keystrokes, send spam, launch DoS (Denial of Service) attacks, download files, etc.

This worm also ends processes belonging to several security tools, such as antivirus programs and firewalls, among others. This leaves the affected computer vulnerable to the attack of other malware.

Additionally, Gaobot.KRM installs its own FTP (File Transfer Protocol) and TFTP (Trivial File Transfer Protocol) servers on the affected computer in order to spread to other systems.

Gaobot.KRM spreads across the Internet by exploiting the vulnerabilities LSASS, RPC DCOM, Workstation Service, WebDAV, UPnP, SQL Server Web Tasks and Invalid Universal Plug and Play Request.

 

It is highly recommendable to download the security patches for the vulnerabilities LSASS, RPC DCOM, Workstation Service, WebDAV, UPnP, SQL Server Web Tasks and Invalid Universal Plug and Play Request from the Microsoft website.

Visible Symptoms 

    

Gaobot.KRM is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.