What type of malware is Joker?

What type of malware is Joker?

Android smartphone users have been urged to delete eight apps that can infect devices with ‘Joker’ malware. First spotted in 2019, the Joker virus is a type of malware known as spyware. It can unwittingly sign you up to expensive subscriptions as well as accessing your texts, data and contacts.

What does Joker virus do?

Joker virus is one of the most-persistent malware that keeps coming back to Google Play Store by changing its code and execution method or payload-retrieving techniques. The virus can steal users’ data, including SMS, contact list, and many other things.

What is the difference between malware?

The terms “virus” and “malware” are often used interchangeably. Malware is a catch-all term for any type of malicious software, regardless of how it works, its intent, or how it’s distributed. A virus is a specific type of malware that self-replicates by inserting its code into other programs.

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What is Joker software?

What is Joker malware? Joker is a malware Trojan that targets Android users. It was packaged in at least two dozen applications that were downloaded from Google Play store over 400,000 times. The main purpose of Joker is to generate revenue for the cyber criminals responsible through fraudulent advertising activities.

What is the difference between malware and spyware?

Malware is a file or a code, designed to cause damage to a user’s personal computer and network. Spyware is a form of malware designed to collect your personal information.

Should I delete CamScanner?

CamScanner app found to have malware. You should delete it immediately. A study by the security firm, Kaspersky has found malware inside CamScanner — an app which has been around for about a decade and accumulated 100 million downloads on Android.

Which app contains malware?

The eight apps that were found with the malware are: Auxiliary Message, Fast Magic SMS, Free CamScanner, Super Message, Element Scanner, Go Messages, Travel Wallpapers, and Super SMS. If your smartphone has any of these eight applications installed, uninstall them right away to stay safe.

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What is “Joker malware”?

Unfortunately, such malware exists, and it is known as the “Joker Malware”. This is a Trojan malware that signs up a user for premium subscriptions without the consent of the user. This malware works by downloading secured configurations from what is known as a command-in-control server.

Is Joker lurking in your Google Play Games?

Last July, researchers said they found Joker lurking in 11 seemingly legitimate apps downloaded from Play about 500,000 times. Late last week, researchers from security firm Zscaler said they found a new batch comprising 17 Joker-tainted apps with 120,000 downloads.

What is a joker dropper and how does it work?

After a delay of hours or even days, the dropper, which is heavily obfuscated and contains just a few lines of code, downloads a malicious component and drops it into the app. Zimperium provided a flow chart that captures the four pivot points each Joker sample uses.

Does Joker use code injection to hide third party packages?

To further hide, Joker uses code injection to hide among legitimate third-party packages—such as org.junit.internal,, or com.unity3d.player.UnityProvider—already installed on the phone.