Joker is the new malware in town and Android users should be careful about it

It’s another day and there’s another malware doing rounds on the Google Play Store. Named after Batman’s villain, Joker is capable of stealing money through subscription services that users don’t even know they signed up for.

Google has deleted most of the apps that were affected by the malware. However, for the sake of safety, go through the list and make sure you don’t have infected apps installed. Also, it will be a good idea to check your bank statements starting from June as that’s the time when the malware started auto-subscribing users.

For example, in Denmark, Joker can silently sign the victim up for a 50 DKK/week service (roughly ~6,71 EUR). This strategy works by automating the necessary interaction with the premium offer’s webpage, entering the operator’s offer code, then waiting for a SMS message with a confirmation code and extracting it using regular expressions. Finally, the Joker submits the extracted code to the offer’s webpage, in order to authorise the premium subscription.

– Aleksejs Kuprins, CSIS

Here’s a list of apps that were infected by the malware:

  • Advocate Wallpaper
  • Age Face
  • Altar Message
  • Antivirus Security – Security Scan
  • Beach Camera
  • Board picture editing
  • Certain Wallpaper
  • Climate SMS
  • Collate Face Scanner
  • Cute Camera
  • Dazzle Wallpaper
  • Declare Message
  • Display Camera
  • Great VPN
  • Humour Camera
  • Ignite Clean
  • Leaf Face Scanner
  • Mini Camera
  • Print Plant scan
  • Rapid Face Scanner
  • Reward Clean
  • Ruddy SMS
  • Soby Camera
  • Spark Wallpaper

Since the malware auto subscribes users to different services, it will be wise to check your bank statement and make sure you’re not subscribed to any unauthorized services.

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