Welcome seema, to merawindows.
For that virus, please check: http://www.k7computing.com/virusdetails.asp?virusid=46475
Whichever AV you are using, you must update your AV to the latest definitions.
Also try this if manually removing, Restart your sstem in SAFE mode :
run->msconfig, in the startup tab look for for amvo.exe or related terms, if its there uncheck it.
then from regedit, locate all instances for amvo.exe and delete it..
Now i assume you installed latest update for your AV, do a scan & delete
then goto Windows\System32 folder and search for, amvo0.dll,amvo1.dll or amvo.exe and delete it.
Also remove any Autorun.inf file and 2ifetri.cmd file, from the root of every directory, if its there.
Also remove zmcc.dll in the %Temp% folder or clean the comlpete temp directory.
Check the above link and do a manual deletion of files and registry entries being put as given in that.
And be careful while handling registry.