A New Android Malware Called “Judy” found in google play store infected 41 Apps which all are created by a Korean company. This “Judy” Malware is an auto-clicking adware which leads to forcing the users to Click the ads.
This Malware performing plenty of fraudulent clicks on advertisements Generated by infected applications for increasing the revenue for Malware Authors.
As per the Estimation is done by Checkpoint, “Judy” Malware Reached Around 8.5 and 36.5 million users around the world.its makes a big issue for users who all are affected by this infection since it has done a huge amount of reach.
This Malware was found on 41 apps developed by a Korean company. Playstore Malware like HummingBad, FalseGude, Dridex is threatening in a similar way of infection and especially Android users.
“Judy” Malware Downloads Estimated between 4.5 million and 18.5 million Android Users and Few apps are surviving in play store in many years.
Judy Malware in Playstore (Source: checkpoint)
A bridgehead app use for establishing a connection into victims Device which has been Bypassed the Play store Protection and inserted into app store.
The C&C server connection will Establish once user a user Downloads a Malicious App.
According to Checkpoint ,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.JavaScript code is used to locate and click on banners from the Google ads infrastructure.so once click the ads then malware authors will receive a payment from the Website Developers.
According to Checkpiont Estimated Downloads of Judy Malware,
| Package name | App name | Date | Min | Max |
| air.com.eni.FashionJudy061 | Fashion Judy: Snow Queen style | 24.3.17 | 100,000 | 500,000 |
| air.com.eni.AnimalJudy013 | Animal Judy: Persian cat care | 14.4.17 | 100,000 | 500,000 |
| air.com.eni.FashionJudy056 | Fashion Judy: Pretty rapper | 24.3.17 | 50,000 | 100,000 |
| air.com.eni.FashionJudy057 | Fashion Judy: Teacher style | 24.3.17 | 50,000 | 100,000 |
| air.com.eni.AnimalJudy009 | Animal Judy: Dragon care | 14.4.17 | 100,000 | 500,000 |
| air.com.eni.ChefJudy058 | Chef Judy: Halloween Cookies | 10.4.17 | 100,000 | 500,000 |
| air.com.eni.FashionJudy074 | Fashion Judy: Wedding Party | 7.4.17 | 50,000 | 100,000 |
| air.com.eni.AnimalJudy036 | Animal Judy: Teddy Bear care | 16.4.17 | 5,000 | 10,000 |
| air.com.eni.FashionJudy062 | Fashion Judy: Bunny Girl Style | 24.3.17 | 50,000 | 100,000 |
| air.com.eni.FashionJudy009 | Fashion Judy: Frozen Princess | 7.4.17 | 50,000 | 100,000 |
| air.com.eni.ChefJudy055 | Chef Judy: Triangular Kimbap | 10.4.17 | 50,000 | 100,000 |
| air.com.eni.ChefJudy062 | Chef Judy: Udong Maker – Cook | 10.4.17 | 10,000 | 50,000 |
| air.com.eni.FashionJudy067 | Fashion Judy: Uniform style | 24.3.17 | 10,000 | 50,000 |
| air.com.eni.AnimalJudy006 | Animal Judy: Rabbit care | 14.4.17 | 100,000 | 500,000 |
| air.com.eni.FashionJudy052 | Fashion Judy: Vampire style | 24.3.17 | 100,000 | 500,000 |
| air.com.eni.AnimalJudy033 | Animal Judy: Nine-Tailed Fox | 18.4.17 | 100,000 | 500,000 |
| air.com.eni.ChefJudy059 | Chef Judy: Jelly Maker – Cook | 10.4.17 | 50,000 | 100,000 |
| air.com.eni.ChefJudy056 | Chef Judy: Chicken Maker | 10.4.17 | 50,000 | 100,000 |
| air.com.eni.AnimalJudy018 | Animal Judy: Sea otter care | 14.4.17 | 100,000 | 500,000 |
| air.com.eni.AnimalJudy035 | Animal Judy: Elephant care | 16.4.17 | 5,000 | 10,000 |
| air.com.eni.JudyHappyHouse | Judy’s Happy House | 10.4.17 | 100,000 | 500,000 |
| air.com.eni.ChefJudy036 | Chef Judy: Hotdog Maker – Cook | 29.3.17 | 50,000 | 100,000 |
| air.com.eni.ChefJudy063 | Chef Judy: Birthday Food Maker | 10.4.17 | 50,000 | 100,000 |
| air.com.eni.FashionJudy051 | Fashion Judy: Wedding day | 20.4.17 | 100,000 | 500,000 |
| air.com.eni.FashionJudy058 | Fashion Judy: Waitress style | 24.3.17 | 10,000 | 50,000 |
| air.com.eni.ChefJudy057 | Chef Judy: Character Lunch | 10.4.17 | 100,000 | 500,000 |
| air.com.eni.ChefJudy030 | Chef Judy: Picnic Lunch Maker | 10.4.17 | 500000 | 1000000 |
| air.com.eni.AnimalJudy005 | Animal Judy: Rudolph care | 14.4.17 | 100,000 | 500,000 |
| air.com.eni.JudyHospitalBaby | Judy’s Hospital:pediatrics | 10.4.17 | 100,000 | 500,000 |
| air.com.eni.FashionJudy068 | Fashion Judy: Country style | 24.3.17 | 10,000 | 50,000 |
| air.com.eni.AnimalJudy034 | Animal Judy: Feral Cat care | 16.4.17 | 10,000 | 50,000 |
| air.com.eni.FashionJudy076 | Fashion Judy: Twice Style | 20.4.17 | 100,000 | 500,000 |
| air.com.eni.FashionJudy072 | Fashion Judy: Myth Style | 20.4.17 | 50,000 | 100,000 |
| air.com.eni.AnimalJudy022 | Animal Judy: Fennec Fox care | 14.4.17 | 100,000 | 500,000 |
| air.com.eni.AnimalJudy002 | Animal Judy: Dog care | 14.4.17 | 100,000 | 500,000 |
| air.com.eni.FashionJudy049 | Fashion Judy: Couple Style | 24.3.17 | 100,000 | 500,000 |
| air.com.eni.AnimalJudy001 | Animal Judy: Cat care | 14.4.17 | 100,000 | 500,000 |
| air.com.eni.FashionJudy053 | Fashion Judy: Halloween style | 7.4.17 | 100,000 | 500,000 |
| air.com.eni.FashionJudy075 | Fashion Judy: EXO Style | 7.4.17 | 50,000 | 100,000 |
| air.com.eni.ChefJudy038 | Chef Judy: Dalgona Maker | 28.3.17 | 100,000 | 500,000 |
| air.com.eni.ChefJudy064 | Chef Judy: ServiceStation Food | 10.4.17 | 10000 | 50000 |
| air.eni.JudySpaSalon | Judy’s Spa Salon | 10.4.17 | 1,000,000 | 5,000,000 |
| Total | 4,620,000 | 18,420,000 |
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