The Nigerian Communications Commission (NCC) has called the attention of Nigerians to a Short Messaging Service (SMS) Android malware, TangleBot, which is installed on phones by internet fraudsters to defraud unsuspecting internet users.
According to NCC, the malware takes complete control of a mobile device, including access to banking data as it reaches the deepest recesses of the Android operating system.
The Commission made the revelation in a statement signed by the NCC Director, Public Affair, Dr. Ikechukwu Adinde, on Saturday.
According to the NCC Director, TangleBot employs more or less similar tactics as the recently-announced notorious FlutBot SMS Android malware that targets mobile devices.
He added that the SMS Android malware equally gains control of the device but in a far more invasive manner than the FlutBot malware.
According to Adinde, the disclosure on TangleBot was made in a recent security advisory made available to the Commission’s New Media and Information Security Department by the Nigerian Computer Emergency Response Team (ngCERT).
He further noted that TangleBot is installed when an unsuspecting internet user clicks on a malicious link disguised as COVID-19 vaccination appointment-related information in an SMS message or information about fake local power outages that are due to occur.
“The aim behind both or either of the messages (on COVID-19 or impending power outages) is to encourage potential victims to follow a link that supposedly offers detailed information. Once at the page, users are asked to update applications such as Adobe Flash Player to view the page’s content by going through nine dialogue boxes to give acceptance to different permissions that will allow the malware operators initiate the malware configuration process.
“The immediate consequence to this is that TangleBot gains access to several different permissions when installed on a device, allowing it to eavesdrop on user communications. The malware then steals sensitive data stored on the device and monitors almost every user activity, including camera use, audio conversations, and location, among other things.”
“Furthermore, the malware takes complete control of the targeted device, including access to banking data, and can reach the deepest recesses of the Android operating system.
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“The NCC, therefore, wishes to, once again, urge millions of telecom consumers in Nigeria to be wary of such wiles of cyber criminals, whose intent is to defraud unsuspecting internet users,” Adinde noted.
On the preventive measures, the NCC Director called on Nigerians to refrain from opening Uniform Resource Locators (URLs) from unknown sources while using their mobile devices.
Adinde further enjoined internet users, while downloading applications, to read install prompts closely, look out for information regarding rights and privileges that the app may request.
He added: “In order to ensure maximum protection for internet users in the country, the ngCERT has offered a number of preventive measures to be taken by the consumers.
“These measures include an advisory to telecom consumers and other Internet users to refrain from opening Uniform Resource Locators (URLs) from unknown sources while using your mobile devices.
“Additionally, telecom consumers should never respond or send reply to messages or call back a phone number that is associated with the text that they are unaware of. Should any telecom consumer or internet user become curious and wish to ascertain the authenticity of any call or messages and wish to probe the incident, such persons may do a web search of both the number and the message content.
“Indeed, it is important to be judicious when downloading apps by reading install prompts closely, looking out for information regarding rights and privileges that the app may request.
“Other risk-mitigating measures advised by ngCERT is for users to be cautious of procuring any software from outside a certified app store. Advisedly, it is safer to call the company directly rather than using the phone number on the message received, especially if the message is spoofing a company.
“Finally, telecom consumers and other internet users should report any incident of system compromise to ngCERT via [email protected] for necessary support and technical assistance,” the NCC Director stated.
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