comscore 'Judy' malware hits 36.5 million Android smartphones: Check Point
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'Judy' malware hits 36.5 million Android smartphones: Check Point

'Judy' malware is potentially the most widely-spread malware yet found on Google Play.

android-malware-stock-image

There seems to be no end in sight for devices at risk, whether they be desktops or mobiles. While the buzz around WannaCry is slowly waning, a new malware has been found that is targeting Android smartphones. Security firm Check Point discovered a malware, dubbed ‘Judy’, which it says may have infected over 36 million Android devices. Judy is an auto-clicking adware which was found on 41 apps developed by a Korean company. Also Read - Almost 60 percent of internet users in India fell prey to hacking in the last 1 year: Report

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According to Check Point, it is “possibly the largest malware campaign found on Google Play.” The security firm estimates that up to 36.5 million Android devices may have been infected, generating millions in revenue for the enforcer behind the malware. Apps infected by the malware are also estimated to have been downloaded between 4.5-18.5 million times. It has been reported that the South Korean firm, Kiniwini, is behind this campaign. The malicious apps are all developed by Kiniwini, registered on Google Play as ENISTUDIO corp. The focus of the company is to create games with the malware installed in them that goes undetected by Google Bouncer. Google has however removed the apps after being notified by Check Point.

 

judy-malware-game-oogle-play-store

How does ‘Judy’ infect your Android device?

“Once a user downloads a malicious app, it silently registers receivers which establish a connection with the server,” According to the security firm, once the app is downloaded and installed, the malware ts injected into the app. Check Point notes that the oldest app of the second campaign was last updated in April 2016 and the malware Judy has been affecting Android devices ever since. Citing the same, Check Point says. “The server replies with the actual malicious payload, which includes JavaScript code, a user-agent string and URLs controlled by the malware author. The malware opens the URLs using the user agent that imitates a PC browser in a hidden webpage and receives a redirection to another website. Once the targeted website is launched, the malware uses the JavaScript code to locate and click on banners from the Google ads infrastructure.”

Check Point recently had also discovered that the malware was not downloaded but was already pre-loaded on Android devices. The research team at Check Point found that one of the pre-installed malware was Slocker, a mobile ransomware, that uses the Advanced Encryption Standard (AES) encryption algorithm to encrypt all files. The research firm discovered that the malware was not downloaded but is already pre-loaded on Android devices. ALSO READ: Beware! Hackers find a way to access your computer via movie subtitles

Coming back to Judy, here’s a list of malicious apps released by Check Point which is developed by Kiniwini:

  • Fashion Judy: Snow Queen style
  • Animal Judy: Persian cat care
  • Fashion Judy: Pretty rapper
  • Fashion Judy: Teacher style
  • Animal Judy: Dragon care
  • Chef Judy: Halloween Cookies
  • Fashion Judy: Wedding Party
  • Animal Judy: Teddy Bear care
  • Fashion Judy: Bunny Girl Style
  • Fashion Judy: Frozen Princess
  • Chef Judy: Triangular Kimbap
  • Chef Judy: Udong Maker Cook
  • Fashion Judy: Uniform style
  • Animal Judy: Rabbit care
  • Fashion Judy: Vampire style
  • Animal Judy: Nine-Tailed Fox
  • Chef Judy: Jelly Maker Cook
  • Chef Judy: Chicken Maker
  • Animal Judy: Sea otter care
  • Animal Judy: Elephant care
  • Judy s Happy House
  • Chef Judy: Hotdog Maker Cook
  • Chef Judy: Birthday Food Maker
  • Fashion Judy: Wedding day
  • Fashion Judy: Waitress style
  • Chef Judy: Character Lunch
  • Chef Judy: Picnic Lunch Maker
  • Animal Judy: Rudolph care
  • Judy s Hospital: Pediatrics
  • Fashion Judy: Country style
  • Animal Judy: Feral Cat care
  • Fashion Judy: Twice Style
  • Fashion Judy: Myth Style
  • Animal Judy: Fennec Fox care
  • Animal Judy: Dog care
  • Fashion Judy: Couple Style
  • Animal Judy: Cat care
  • Fashion Judy: Halloween style
  • Fashion Judy: EXO Style
  • Chef Judy: Dalgona Maker
  • Chef Judy: ServiceStation Food
  • Judy s Spa Salon
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  • Published Date: May 29, 2017 11:16 AM IST



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