Thursday, November 24, 2022
HomeHackerThis Android File Supervisor App Contaminated Hundreds of Units with SharkBot Malware

This Android File Supervisor App Contaminated Hundreds of Units with SharkBot Malware

The Android banking fraud malware referred to as SharkBot has reared its head as soon as once more on the official Google Play Retailer, posing as file managers to bypass the app market’s restrictions.

A majority of the customers who downloaded the rogue apps are situated within the U.Ok. and Italy, Romanian cybersecurity firm Bitdefender mentioned in an evaluation revealed this week.

SharkBot, first found in the direction of the tip of 2021 by Cleafy, is a recurring cell risk distributed each on the Google Play Retailer and different third-party app shops.

One of many trojan’s major objectives is to provoke cash transfers from compromised gadgets by way of a way referred to as “Computerized Switch System” (ATS), by which a transaction triggered by way of a banking app is intercepted to swap the payee account with an actor-controlled account within the background.

It is able to serving a faux login overlay when customers try and open authentic banking apps, stealing the credentials within the course of.

Usually, such apps supply seemingly innocent performance, masquerading as antivirus software program and cleaners to sneak into Google Play Retailer. However additionally they double up as droppers that, as soon as put in on the machine, can fetch the malware payload.

The dropper apps, now taken down, are beneath –

  • X-File Supervisor ( – 10,000+ downloads
  • FileVoyager (com.potsepko9.FileManagerApp) – 5,000+ downloads
  • LiteCleaner M (com.ltdevelopergroups.litecleaner.m) – 1,000+ downloads

LiteCleaner M remains to be obtainable for obtain from a third-party app retailer referred to as Apksos, which additionally homes a fourth SharkBot artifact by the title “Telephone AID, Cleaner, Booster” (

The X-File Supervisor app, which is barely accessible to customers in Italy, attracted over 10,000 downloads earlier than it was eliminated. With Google steadily clamping down on permission abuse, the risk actor’s selection of utilizing a file supervisor as a lure is no surprise.

That is as a result of Google’s Developer Program Coverage restricts the permission to put in exterior packages (REQUEST_INSTALL_PACKAGES) to a handful of app classes: internet browsers, instantaneous messengers that help attachments, file managers, enterprise machine administration, backup and restore, and machine switch.

Invariably, this permission is abused to obtain and set up malware from a distant server. A number of the focused financial institution apps embody Financial institution of Eire, Financial institution of Scotland, Barclays, BNL, HSBC U.Ok., Lloyds Financial institution, Metro Financial institution, and Santander.

“The appliance [i.e., the dropper] performs anti-emulator checks and targets customers from Nice Britain and Italy by verifying if the SIM ISO corresponds with IT or GB,” Bitdefender researchers mentioned.

Customers who’ve put in the aforementioned apps are advisable to delete them and alter their checking account passwords instantly. Customers are additionally suggested to allow Play Retailer Shield, and scrutinize app rankings and critiques earlier than downloading them.



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