malicious




Malware Hits PC Cleanup Tool CCleaner

Two versions of popular cleanup tool CCleaner for 32-bit Windows machines contained well-hidden malware. The regular and cloud-based versions of CCleaner, which has been downloaded over 2 billion time worldwide as of November 2016 and…



Expired domain names and malvertising

In Q1 and Q2 of 2017, we noticed a sharp decline in drive-by downloads coming from compromised websites. The campaigns of the past are either gone (Pseudo Darkleech) or have changed focus (EITest using social…