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 action

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

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.



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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