Well you can also, for this latest scurge, avoid everything with double endings like blabla.src.src
End espacially files ending with .pif and .src
If you have a firewall you are pretty safe and the latest update from this monday and later will have the protection you need.
All the major places have the desciption on how to rid your system from the latest one, fairly easy. Checkl
www.antivirus.com or Symantech for info.
OBS! Panda and titanium antivirus are free for use, so use it!!!