So-called “clicker” malware designed to facilitate advert fraud has been discovered on 16 cellular apps within the Google Play retailer, in line with McAfee.
After being notified by the safety vendor, Google has eliminated the offending apps, that are estimated to have garnered as many as 20 million downloads.
Detected as Android/Clicker, the malware was inserted into legitimate-looking utility apps corresponding to flashlights, QR readers, cameras, unit converters and job managers.
“As soon as the appliance is opened, it downloads its distant configuration by executing an HTTP request,” defined McAfee.
“After the configuration is downloaded, it registers the FCM (Firebase Cloud Messaging) listener to obtain push messages. At first look, it looks like well-made android software program. Nonetheless, it’s hiding advert fraud options behind, armed with distant configuration and FCM strategies.”
Particularly, the malware forces contaminated units to go to and browse sure web sites within the background, with out the consumer’s data.
This generates advert fraud revenue for the risk actor within the type of pretend clicks, though it may additionally degrade system efficiency for the consumer, run down the smartphone’s battery and run up extra cellular information charges.
There are two key items of malicious code at play: the ‘com.click on.cas’ library focuses on automated clicking, whereas the ‘com.liveposting’ library works as an agent to run hidden adware companies.
Android/Clicker stays underneath the radar to keep away from attracting the eye of a tool consumer by leaping into motion solely when an contaminated smartphone is just not in use. It’s going to additionally not work inside an hour of preliminary set up, McAfee mentioned.
“We advocate having a safety software program put in and activated so you can be notified of any cellular threats current in your system in a well timed method,” the safety vendor concluded.
“When you take away this and different malicious functions, you possibly can count on an prolonged battery time and you’ll discover lowered cellular information utilization whereas guaranteeing that your delicate and private information is protected against this and different kinds of threats.”