Tizi app that stole information and clicked pictures without your knowledge detected

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Tizi, an app that has been stealing information from call records and the social media has been detected by Google. The app apart from stealing information from social media sites and WhatsApp also took pictures from mobile phones without even displaying them on the screen of the device.

Tizi app that stole information and clicked pictures without your knowledge detected

"Tizi is a fully featured backdoor that installs spyware to steal sensitive data from popular social media applications. The Google Play Protect security team discovered this family in September 2017 when device scans found an app with rooting capabilities that exploited old vulnerabilities," a post on Google security blog said.

The company has removed the app from Play Store, notified all known affected devices and suspended the account of the app developer, the post dated November 27 said.

The post said that the earlier variant of Tizi did not have rooting capabilities but it developed later on and thereafter started stealing sensitive information from devices.

"The rooting capabilities give an app full control of the device. It can bypass all restrictions posed on it by the Android security system. An app with rooting is like a user using the device. The presence of such app on Google Play Store raises concerns about secure apps on the app store," cybersecurity expert Jiten Jain said.

The post said that after gaining rooting capability, Tizi steals sensitive data "from popular social media apps like Facebook, Twitter, WhatsApp, Viber, Skype, LinkedIn, and Telegram."

The backdoor capability of Tizi was common to commercial spyware, such as recording calls from WhatsApp, Viber, and Skype, sending and receiving SMS messages, and accessing calendar events, call log, contacts, photos, Wi-Fi encryption keys, and a list of all installed apps

"Tizi apps can also record ambient audio and take pictures without displaying the image on the device's screen," the post said.

The post said that in and after April 2016 vulnerabilities in devices which could have been affected by Tizi were fixed with new software codes.

"If a Tizi app is unable to take control of a device because the vulnerabilities it tries to use are all patched, it will still attempt to perform some actions through the high level of permissions it asks the user to grant to it, mainly around reading and sending SMS messages and monitoring, redirecting, and preventing outgoing phone calls," the post said.

Reacting to the information, Microsoft spokesperson said, "The vulnerabilities referenced relate to Android and Linux. As the blog suggests, we advise customers who use Skype on these platforms to ensure their systems are up to date. Windows users are not affected".

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