Threat Description

Storielle

Details

Category: Malware
Type: Email-Worm
Platform: W32
Aliases: Storielle, W32.Storiel@mm, I-Worm.Borzella, W32/Porkis@mm

Summary


Storielle is a mass-mailer worm. Most likely it originates from Italy. The worm uses it's own SMTP engine so it does not depend on any specific e-mail client. It collects e-mail addresses from the Windows Adress Book.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More scanning & removal options

More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.

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

Contact Support

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Technical Details


The e-mail composed from the following parts: Subjects:

"Storielle.."  "Divertimento assicurato.."  "Leggete urgentemente questa e-mail!! (se avete tempo da perdere)"  

Message body:

"dai un' occhiata all' allegato e ti farai due risate ;-)"  "devi assolutamente vedere il file che ti ho allegato."  "guarda l' allegato... ti potrebbe interessare."  

Attachment:

"bar.exe"  "pippo.exe"  "porkis.exe"  

When the attachment is open first it installs itself to the Windows directory as "dllmgr.exe". This exe file is added to the registry so Windows will start the worm when the computer starts.The registry value is:

  • 'HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dll manager'

After this it displays seven message boxes with Italian messages and exits. The installed copy at next startup opens the Windows Address Book and mails itself to all the addresses it can find there. Due to a bug in the code the worm can't find the correct addresses in the WAB file so it is unable to spread.On the September 6th it displays the following message:

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





Technical Details:Gergely Erdelyi; F-Secure Corp.; March 20th, 2002


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