Of Spam & Men

Secure Science Corporation and Michael Ligh did a very good job analyzing a malware. Their case study is a very complet and interesting analyze of a yet-to-be-named malware (prg.exe):

This document contains details of an exploratory case study that was conducted on a malware specimen found in the wild by members of the Mal-Aware Group 1 . The trojan was hosted on web servers located in the Ukraine and Russia, and existed among several gigabytes of data encoded with a proprietary algorithm. There were nearly 10,000 individual files available, each containing between 70 bytes and 56 megabytes worth of stolen data that only criminals could read…until now.