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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Spamta.ZS

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Spamta.ZS
Technical name:W32/Spamta.ZS.worm
Threat level:Low
Type:Worm
Effects:   It spreads and affects other computers. It captures keystrokes. It affects the productivity of the computer, the network to which it’s connected or other remote sites. It uses stealth techniques to avoid being detected by the user. It spreads , via email.
Affected platforms:

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

First detected on:June 20, 2007
Detection updated on:June 20, 2007
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Spamta.ZS is a worm that spreads by copying itself, without infecting other files.

 

It captures certain information entered or saved by the user, with the corresponding threat to privacy: keystrokes, in order to obtain information for accessing online banking services, passwords and other confidential information.

 

It affects productivity, preventing tasks from being carried out:

  • In the affected computer: causes system slowdowns.
  • In the local network: it generates a large amount of network activity and consumes bandwidth.
  • On remote sites: it mass mails junk mail (spam).

 

It uses stealth techniques to avoid being detected by the user:

  • It uses techniques included in its code to hide itself while it is active.

 

Spamta.ZS uses the following propagation or distribution methods:

  • Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
  • Email: sending emails that include a copy of itself as an attachment. The computer is infected when the attachment is run.

 

Visible Symptoms

 

Spamta.ZS is easy to recognize, as it shows the following symptoms:

  • It displays false error messages when it is run.