Symantec describes some Android banking malware making things more complicated for victims in Russia and South Korea. Affected users can still find other channels, such as email or landline calls, to reach customer care. Although this particular malware appears to be targeting Russians and South Koreans, there is clearly the opportunity for this technique to be used elsewhere in the world. Were used to seeing malware preventing victims from reaching anti-virus company websites, now we have banking malware stopping you from calling the banks.”]
Source: https://grahamcluley.com/android-banking-malware-stops-calling-customer-service-cancel-cards/