Having a look on another POS malware named by AV guys BlackPOS:
MD5: cbd268e260bf40c25f1bff8b85e04e01
The original exe is packed with UPX and have a size of (292 Kb)
After unpacking the exe size is 754 Kb and the Time/Date Stamp: 512A2914 (24-02-2013 - 14:52:04)
First seen in VirusTotal...