Malware That Downloads Malware

The Microsoft Malware Protection Center (MMPC) reports a rise in the spread of the Win/32.Upatre Trojan. Upatre is spread via email attachment. Once it has infected a machine its purpose is to download further malware. The chart below shows the uptake in Upatre infections. The most commonly downloaded Malware by Upatre is Win32/Zbot.gen!AM which steals…