Programmers can subtly introduce malignant applications, amusements, and pop-up adverts on your cell phone remotely with a specific end goal to profit.
Security specialists at Cheetah Mobile have revealed one of the world's biggest and most productive Trojan families, contaminating a large number of Android gadgets around the globe.
Named Hummer, the infamous portable trojan stealthily introduces vindictive applications, recreations, or even porn applications onto casualty's telephones and yields its makers more than $500,000 (£375,252) every day.
First discovered in 2014 by Cheetah Mobile, Hummer gained traction in early 2016 when the Trojan family was infecting "nearly 1.4 Million devices daily at its peak" with 63,000 infections occurring daily in China, according to researchers at Cheetah Mobile Security Research Lab.
"This Trojan continually pops up ads on victims' phones, which is extremely annoying," researchers wrote in a blog post. "It also pushes mobile phone games and silently installs porn applications in the background. Unwanted apps appear on these devices, and they are re-installed shortly after users uninstall them."
Even after the number of phones infected has declined, Hummer is still infecting nearly 1 Million new devices per day, making it the most widespread trojan family in the world.
Every time Hummer installs a new app on the infected devices, it's developers make 50 cents. Therefore, the group behind this Trojan is believed to be making more than half a million dollars (over $500,000) daily..and over $15 Million per month..
Here's How Hummer Work:
Once a gadget is contaminated with Hummer, the Trojan continues to attach the telephone to pick up overseer benefits, which permitted it to watchfully introduce undesirable applications, amusements, porn applications and malware out of sight.
"In several hours, the trojan accessed the network over 10,000 times and downloaded over 200 APKs, consuming 2 GB of network traffic," the researchers noted.
Hummer is almost Impossible to Uninstall
The bad news for affected Android users is that Hummer is extremely difficult if not impossible to get rid of, because the Trojan takes control of the phone at admin level, making it impossible for traditional antivirus tools to uninstall Hummer.
The dangerous part: It is impossible to delete the Trojan through a factory reset due to the fact Hummer comes equipped with up to 18 different separate rooting exploits that allow it to root itself on a phone, the researchers said.
Recently, Trend Micro researchers also detected a similar threat known as Godless that came with Android rooting exploits, affecting 90 percent of all Android devices available in the market today.
Hummer spreads itself using a different number of domain names and third-party app stores, tricking users into downloading malicious apps or fake versions of popular apps like Facebook or Twitter.
The researchers claim to have traced the source of the Trojan family to an "underground internet industry chain" in China, based on an email address linked to the domain names used by the malware.
India (154,248), Indonesia (92,889), Turkey (63,906), China (63,285) and Mexico (59,192) are the top five countries where Hummer has made most of its victims, but the Trojan is also infecting Android users in the U.S. and Europe.
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