Fake jquery campaign leads to malvertising and ad fraud schemes

Recently we became aware of new domains used by an old malware campaign known as ‘fake jquery’, previously documented by web security firm Sucuri. Thousands of compromised websites are injected with a reference to an external JavaScript called jquery.js. However, there is something quite elusive about this campaign with regards to its payload. Indeed, to … [Read more…]

ViceLeaker Operation: mobile espionage targeting Middle East

In May 2018, we discovered a campaign targeting dozens of mobile Android devices belonging to Israeli citizens. Kaspersky spyware sensors caught the signal of an attack from the device of one of the victims; and a hash of the APK involved (Android application) was tagged in our sample feed for inspection. Once we looked into … [Read more…]

GreenFlash Sundown exploit kit expands via large malvertising campaign

Exploit kit activity has been relatively quiet for some time, with the occasional malvertising campaign reminding us that drive-by downloads are still a threat. However, during the past few days we noticed a spike in our telemetry for what appeared to be a new exploit kit. Upon closer inspection we realized it was actually the … [Read more…]