Malvertisers are once again abusing ad technology platform AdSpirit and exposing visitors of the MSN homepage to malware. These attacks appeared to have been primarily focused on Germans users via an ad for Lidl, one of the Germany’s leading supermarkets.
This is not the first time we have caught malvertising on MSN or via AdSpirit. Each time, we spot telltale signs of suspicious activity with advertiser domains freshly created a few days prior the attack or hiding behind the CloudFlare service.
Perhaps the only surprise here was to find different exploit kits than the usual Angler EK to carry out the execution to the malware payload. In two separate incidents, we observed the RIG and Neutrino exploit kits.
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