Trusted Design

BusyGasper – the unfriendly spy

概要

In early 2018 our mobile intruder-detection technology was triggered by a suspicious Android sample that, as it turned out, belonged to an unknown spyware family. Further investigation showed that the malware, which we named BusyGasper, is not all that sophisticated, but demonstrates some unusual features for this type of threat. From a technical point of view, the sample is a unique spy implant with stand-out features such as device sensors listeners, including motion detectors that have been implemented with a degree of originality. It has an incredibly wide-ranging protocol – about 100 commands – and an ability to bypass the Doze battery saver. As a modern Android spyware it is also capable of exfiltrating data from messaging applications (WhatsApp, Viber, Facebook). Moreover, BusyGasper boasts some keylogging tools – the malware processes every user tap, gathering its coordinates and calculating characters by matching given values with hardcoded ones.

Created: 2026-02-23

Indicators

• FileHash-MD5 - 18abe28730c53de6d9e4786c7765c3d8 -
• FileHash-MD5 - bde7847487125084f9e03f2b6b05adc3 -
• FileHash-MD5 - 7c8a12e56e3e03938788b26b84b80bd6 -
• FileHash-MD5 - 6c246bbb40b7c6e75c60a55c0da9e2f2 -
• FileHash-MD5 - 9e005144ea1a583531f86663a5f14607 -
• FileHash-MD5 - 2560942bb50ee6e6f55afc495d238a12 -
• FileHash-MD5 - 9ffc350ef94ef840728564846f2802b0 -

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Related CVEs

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