W32/Netsky-C is a worm which spreads via shared networks and by emailing itself to addresses found within files located on drives C: to Z:. The email subject line, message text and attachment filename are randomly chosen from lists within the worm.

W32/Netsky-C spreads via file sharing networks by copying itself to folders on drives C: to Z: whose name contains the sub-string 'Shar', using a filename randomly chosen from the a list.

Side effects: the worm was set to run on the 26th of February 2004 between 06:00 and 09:00 causing the computer to beep sporadically.

The Netsky-C worm contains the following text embedded in its code:
<-<- we are the skynet - you can't hide yourself! - we kill malware writers (they have no chance!) - [LaMeRz-->]MyDoom.F is a thief of our idea! - -< SkyNet AV vs. Malware >- ->->