There’s a bunch of malware sites infesting University of Illinois CS department machines in the 128.174.240.0/24, range. They are on the following IPs with the following malicious domains (I would recommend blocking the whole /24) The University says that this was a single machine on the network which has now been cleaned up.Update: The university says this was one machine that has been compromised and has been fixed. The sites are on a number of IPs in the range from croft.cs.uiuc.edu to node3-3105.edu.”]
Source: https://blog.dynamoo.com/2013/05/university-of-illinois-cs-department.html