One of the goals of malware authors is to keep their creation undetected by antivirus software. One possible solution for this are crypters. A crypter encrypts a program, so it looks like meaningless data and it creates an envelope for this encrypted program also called a stub. This stub looks like...
For some time now, we’ve been monitoring a new strain of malicious programs that we are referring to as "Meh". It all started when we came across large amounts of files with randomly generated strings at their beginning, followed by a compiled AutoIt script… and what a ride it has been since.