The Zhelatin.CT worm started to spread on April 13th, 2007. The worm spreads in emails with love-related subjects and with attachments named "Love Card.exe", "Greeting Card.exe" and so on. A bit later the same variant spread using security-related subjects.
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
The functionality of the Zhelatin.CT worm variant is similar to Zhelatin.CQ , however the subjects and attachment names it uses are different.
On April 13th several emails with love themed subjects were seen in the wild. While some of the subjects are a rehash of previously used subjects such as Sending You My Love, The Dance of Love, and When I'm With You, others are new:
The email messages themselves have no text, instead, they have attached executables with romantic sounding filenames. These include:
Here is an example of the worm's email:
A second run occurred after a few hours. This time, the subjects were security related:
Furthermore, the message body is an image file which advises the receiver to patch their systems. Also included within the image is a password in order to extract the attachment. Here is an example:
Something new to the Zhelatin family is the use of a password protected Zip archive as an attachment. The filenames vary but they have the following format:
The executable contained within the Zip archive has the same name as that of the archive but with an EXE extension.
Date Created: -
Date Last Modified: -