Data Breach

For the First Time, Cryptojacking Apps is Found on Microsoft Store

Eight crypto jacking apps found on the Microsoft Store tha abuses victim’s CPU cycle to mine Monero without user knowledge.

Symantec detected the malicious apps on Microsoft Store disguised as the apps for computer and battery optimization tutorial, internet search, web browsers, and video viewing and download.

These malicious apps got listed for top free apps list on the Microsoft Store, as soon as the apps are downloaded and launched they use to fetch the coin-mining JavaScript by triggering the Google Tag Manager.

Google Tag Manager created by Google to track and analyze the HTML and JavaScript tags used in the websites hosted.

The mining scripts once activated abuses computer’s CPU cycle’s to mine Monero cryptocurrency for the attackers.

According to Symantec, the apps appear to be published between April and December 2018 and the number of users infected with the app still remains unknown.

Once the app launched it leverages XMR coinhive mining scripts through Google Tag Manager(GTM) from the attacker’s domain servers. the coinhive script loaded from remote location http://statdynamic[.]com/lib/crypta.js.

Based on the WHOIS search all the apps appeared to be hosted in the same origin and published by same developers with a different username. The apps came from three developers DigiDream, 1clean, and Findoo.

Symantec informed Google and Microsoft about the app behavior’s, and the app has been removed from Microsoft store and the javascript removed from Google Tag manager.