If you are getting messages from your yahoo messenger friends something like this – “happy sankranti/pongalhttp://crackspider.net/” , your pc is infected with a worm which is harmful and you need to make sure you get rid of it asap. The threat levels of this virus is Low but still its recommended to get it removed from your pc. After searching on the web i found that Symantec was the first to discover this virus and has announced that this virus has got multiple names ie W32/Sohana-AX [Sophos], W32/Sohana-AZ [Sophos], W32/Sohana-BA [Sophos], Win32/Spideyit.A [Computer Associates], W32/AutoRun-HA [Sophos]
W32.Imaut.CN is a worm that spreads through Yahoo! Instant Messenger and network shares. It may also download potentially malicious code on to the compromised computer. This worm is currently effecting the following operating systems – Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP which means the Mac guys are secured and they dont have to worry about anything.
Process to Remove this Worm :
1. Disable System Restore (Windows Me/XP).
2. Update the virus definitions.
3. Run a full system scan.
4. Delete any values added to the registry.[Detailed Version]