Threat Description

Cartolina

Details

Aliases: Cartolina, LoveLetter.CD, I-Worm.Jer
Category: Malware
Type: Worm
Platform: W32

Summary



Cartolina is a simple variant of the LoveLetter e-mail worm.

This version has been written in Italy. It was found in the wild in early February, 2001. It's unlikely to spread far outside Italy.



Removal



Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details



The attachment the worm sends around is called CARTOLINA.VBS, which means "Postcard" in Italian. The actual e-mail message is Italian and reads:

     From: name-of-the-infected-user
        To: random-name-from-outlook-address-book
        Subject: C' una cartolina per te!
        Attachment: CARTOLINA.VBS
       Ciao, un tuo amico ti ha spedito una cartolina virtuale... mooolto particolare!

The message means in english:

     Subject: There's a postcard for you!
       Hi, a friend of yours has sent you a... veeeery peculiar virtual postcard!

The worm also changes the default start page of Internet Explorer to an Italian music web site.

After the worm send itself, it adds a registry key as a marker and does not spread from the same system again.





Technical Details: Mikko Hypponen & Katrin Tocheva, F-Secure, February 2001


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