This is bad, when I check my PC in this morning, my Windows XP invected by SIRCAM/Recycled Virurs, I try to find how clean this dam problem. After I googling, I found some tutorial. And this is the results.First Tutorial1. Go to command prompt.2. Type CD\ in drive C to go the root directory3. Type DIR /AH and press ENTER key. This will display all hidden files in your drive C4. If you see a file AUTORUN.INF and a folder Recycled, then your system is infected.5. Try doing this to your USB drive and check if your USB stick contains the same folder and AUTORUN.INF, if it does then your system is really infected.To remove it download and install a trial version of Trendmicro and scan your system.To manually remove it follow the following steps (This is the step I take when i repair my computer...