In April 2013, the administrative assistant to a vice president at a French-based multinational company received an email referencing an invoice hosted on a popular file sharing service. A few minu
Author: Symantec
We have been fighting the W32.Changeup family of worms for a long time and have written about it many times
Figure 1. W32.Changeup prevalence
One characteri
Although ransomware has become an international problem, we rarely see Chinese versions. Recently, Symantec Security Response noticed a new type of ransomlock malware that not only originates from
ZeroAccess has always distributed its malicious payloads to infected computers using a peer-to-peer pro