Fake calls: A Unique Approach on Banking Customer Service Frauds

Fake calls is a financial malware that targets Android users, hijacking their calls to a bank’s customer service number. And connecting them directly with hackers.

About Fake calls scam

The spyware, according to Kaspersky, masquerades as a mobile app from well-known banks (such as KakaoBank or Kookmin Bank).

  • When a victim attempts to contact bank customer service, the trojan disconnects the call and shows its own call screen. Which looks almost identical to the actual one.
  • Scammers act as customer service professionals in order to collect information that would allow them to access the victim’s finances.

Calling techniques

The virus may play a pre-recorded greeting that sounds like the ones banks use to welcome people seeking help.

  • The virus creators have captured a few sentences that are routinely used by banks to inform customers that an operator will take their call as soon as one becomes available.
  • Furthermore, the virus can mimic incoming calls, allowing the hackers to deceive unsuspecting victims by communicating with them as if they were the bank’s customer support department.

Spying on victims

Threat actors can spy on the smartphone by broadcasting audio/video in real-time, seeing its position. And copying data (contacts, images, movies) and text message history after it has been infected.

Despite the fact that the Fake calls virus was discovered last year, it attracted little attention due to its narrow geographic focus. The use of false call features, on the other hand, is a relatively new aspect of the growth of mobile banking malware.


Fake calls pioneered a brand-new method for hijacking customer service calls. Experts advise only installing apps from legitimate shops and paying attention to the permissions that an app requests. Install dependable anti-malware apps for mobile devices as well.


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