Threat Description

NetSky.Y

Details

Category: Malware
Type: Email-Worm
Platform: W32
Aliases: NetSky.Y, W32/NetSky.Y@mm

Summary


NetSky.Y worm was discovered late night on April 20th, 2004. It is similar to the Netsky.X variant found earlier during the same day. It is repacked with PEpack.



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 further assistance.

Eliminating a Local Network Outbreak

If the infection is in a local network, please follow the instructions on this webpage:



Technical Details


For more information on Netsky.X see: Netsky.X

Netsky.Y sends email messages that look as follows:

Subject: Delivery failure notice (ID-random number)  Attachment: www.random domain name.random user name.session.random number.com  

The body of the message contains one of the following words:

Partial, External, New or Delivered  

followed by the text:

message is available  





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