Additional differences were found by researchers on further analysis.
While the original version was coded in Microsofts Visual C++, Cryptolocker 2.0 has been written using C#.
source: www.techworm.net
USB Storage Drives automatically infected by Cryptolocker variant
A new version of Cryptolocker that infects USB storage devices is sweeping the net. The file-encrypting ransomware proliferates through these USB drives
