Detection, removal и prevention шпионского ПО на устройствах Android.

Smartphones are an integral part of our daily lives and contain a lot of personal data. Spyware programs—malicious software designed for secret surveillance of users—exploit this fact. In this blog, you will learn what spyware for Android is, how it works, and how to recognize an infection. We will also explain how to check your device for spyware, what to do if you find it, and how to protect yourself in the future.

What is spyware on Android devices?

Spyware is malicious software that secretly collects information about you and your activities—both on PCs and smartphones. On Android devices, spyware often uses extensive surveillance tools. For example, it can record audio or video from your phone, read browser history and location data, or act as a keylogger, capturing every keystroke. Unlike viruses or ransomware, spyware does not cause immediate harm to the device itself, but it is far from harmless. Its real danger lies in violating your privacy: all passwords, messages, photos, contacts, and even data from the microphone or camera can be recorded without your knowledge. In the worst cases, this can lead to identity theft or financial losses.

Differences from other types of malware: Spyware is often considered a separate category of malware, although it overlaps with other types. For example, a Trojan is a program disguised as a useful application but performs malicious functions in the background, often including surveillance. Technically, spyware can be a Trojan if it is installed under a harmless guise. Adware, on the other hand, displays unwanted ads and sometimes collects user data for advertising purposes. The difference is that this usually happens with the user's consent (for example, in free apps with ads) or the harm is limited to annoying pop-ups. Spyware, however, aims to secretly capture as much personal data as possible and transmit it to third parties—often without the victim's knowledge or any consent.

Examples of modern spyware for Android

There are both high-tech spy programs and simpler applications for the mass market. A well-known example of the first category is Pegasus—spyware developed by government agencies that can be installed on Android smartphones using an exploit without any user action (more in our blog). Pegasus has been used by various governments to monitor journalists and activists and has access to virtually all phone functions.
In everyday life, commercial spyware applications—so-called stalkerware—are more common. This spyware is usually secretly installed by someone close to the user (for example, jealous partners, employers, or parents). Examples include FlexiSpy, mSpy, TheTruthSpy, and Spyic, which are often marketed as legitimate software for monitoring children or employees. The main difference is that intercepted data is not sent to unknown cybercriminals but remains within the user's personal circle.

There is also traditional malicious spyware, such as PhoneSpy for Android, which in 2021 disguised itself as harmless yoga and messaging apps and infected over 1,000 devices in South Korea. A more recent example is FireScam (2025), malware for Android posing as "Telegram Premium." It spreads through a fake app store website and, after installation, gains extensive control over the device to collect data. These