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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Tobecho.R

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Tobecho.R
Technical name:W32/Tobecho.R.worm
Threat level:Low
Type:Worm
Effects:   It spreads and affects other computers. It uses stealth techniques to avoid being detected by the user. It uses anti-monitoring techniques in order to prevent it being detected by antivirus companies. It spreads , through instant messaging.
Affected platforms:

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

First detected on:April 15, 2006
Detection updated on:April 15, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Tobecho.R is a worm that spreads by copying itself, without infecting other files.

 

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.
  • It deletes the original file from which it was run once it is installed on the computer.

 

It uses several methods in order to avoid detection by antivirus companies:

  • Its code is encrypted and it is only decrypted when it is going to run. Because of this, its code is not legible through a memory dump.

 

Tobecho.R 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.
  • Instant messaging: it sends links pointing to a copy of itself to all users included in the infected user's contacts list.

 

Visible Symptoms

 

Tobecho.R is easy to recognize, as it shows the following symptoms:

  • It changes the homepage of Internet Explorer.