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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Rizalof.HT

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Rizalof.HT
Technical name:Trj/Rizalof.HT
Threat level:Medium
Alias:Trojan-Proxy.Win32.Horst.gx
Type:Trojan
Effects:  

It uses the affected computer as a platform to send spam, and attempts to end several processes belonging to security tools and Windows updates. It does not spread by its own means.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95/3.X; IIS

First detected on:Aug. 31, 2006
Detection updated on:Sept. 1, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Rizalof.HT is a Trojan that uses the affected computer as a platform to send spam.

Additionally, it attempts to end several processes belonging to security tools and Windows updates, and it connects to a server in order to download updates of itself.

Rizalof.HT does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer.

Visible Symptoms 

    

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