Lot of #scam #PUP
http://www.scumware.org/report/yz0fi.voluumtrk.com.html
https://www.herdprotect.com/domain-ibjk3.voluumtrk.com.aspx
*****
http://blog.siteadvisor.com/sites/siovv.voluumtrk.com/postid?p=8727403
*****
etc
etc
Attached some screenshots of theses malicious traffic.
etc
etc
The domain is used for collecting data by web analytics system called Voluum.com. Each advertiser that uses the system is assigned a unique subdomain, e.g. asdfg.voluumtrk.com. Please report malicious activity to ***** by providing a sample URL, this will allow us to identify the user by his subdomain. Disclosure: The author of this comment works for Voluum.com.