Many at risk as new, more dangerous ransomware spreads on Android - PhoneArena

Many at risk as new, more dangerous ransomware spreads on Android

Many at risk as new, more dangerous ransomware spreads on Android
A story in the New York Times details the growing spread of “ransomware,” a type of malware that hijacks your mobile device under the pretext of your “breaking the law”. Usually, a message pretending to be from a cyber security firm or a law enforcement agency such as the FBI will pop up on your screen. It will tell you you've broken the law and the only way to get control of your device is to pay a “fine” of several hundred dollars. The malware prevents you from dismissing this message or otherwise using your phone. Flashing your device will take care of the problem, but you are running the risk of losing your data. Your other option is to pay up.

This kind of attack originates in Eastern Europe and first proliferated on PCs a few years ago. The scheme proved to be so successful, it was adapted to mobile devices. Since Android has more market share and is easier to penetrate than iOS, it became the target of choice for the malware community. In the last three weeks alone, more than 30,000 devices were infected by just one variant of the malware.

What's really insidious about this iteration of ransomware is that it doesn't always need you to explicitly install anything locally on your device. It infects devices by “drive-by download” - a method which leaves the victim unaware of any intrusion. The victim visits a website that hosts the malicious code, which then injects itself onto the user's device without any prompt. The method is so successful, it is actually used by the FBI and other intelligence and law enforcement agencies to monitor people who browse suspicious websites. Now, hackers are using it to extort innocent victims.

Newer iterations of ransomware not only lock your device, but give access to remote users to the device. This means that while your phone is hijacked, a malicious user can access your phone's data, use its camera, or make and take calls. Such developments are really worrisome and have inspired security firms to keep a close watch on the use and proliferation of the malware. In comparison, previous ransomware attacks were merely annoying by repeatedly opening your browser to a specific notice page.

Security experts warn to never grant administrative privileges to unrecognized applications and mind your browsing habits.

source: NYTimes
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