Cervivec

Threat description

Details

Category: Malware
Type: Worm
Platform: W32

Summary

Cervivec is a mass-mailer worm written in Delphi. The code body is over 600 kilobytes in size. It collects e-mail addresses from the user's ICQ contact database.



Removal

Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

More scanning & removal options

More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.



Technical Details

The worm installs itself to the Windows System directory as "ntkrnl.exe" and adds a value to the registry to

"Software\Microsoft\Windows\CurrentVersion\Run\Kernel Loader"  

to make sure that it will be started when the machine starts up.

It sends e-mail messages in different languages:

"Cau posilam ti cerviky tak se na to podivej (virus to neni)"  "Cau posielam ti cerviky tak sa na to pozri (virus to neni)"  "Hallo, Ich habe ein guter Witz-Wurm so sieh! (kein virus)"  "Hi, I have some cool joke - worms so have a look at it (no virus)"  "J'ai une bonne blague ca s'appelle verre de terre alors jette un coup d'oeil (il n'y a pas de virusi)"  "Czesc, mam swietnz dowci te mando los gusanilloes. Pues mirarlos (no es un virus)"  "Hola te mando los gusanilloes. Puesmirarlos (no es un virus)"  


Detection

F-Secure Anti-Virus with the latest updates can detect this worm.



Technical Details: Gergely Erdelyi; F-Secure Corp.; March 22nd, 2002


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