Brazilian cyber crooks have created a banking malware targeting WhatsApp, the chatting craze that is now the norm in many societies by disguising the malware with a "Whatsapp for Computers" app. The malware was delivered through an email delivery campaign alerting users that messaging app Whatsapp was now on PC encouraging them to download it as their friends were already waiting for them to accept their invitations. Upon clicking the download link, it takes one through several redirections before downloading the software which is a downloader Trojan with various anti-debugging features. It is this malware that finally downloads the banking Trojan, which still has a terrible AV detection rate. According to Kaspersky lab's expert Dmitry Bestuzhev, the malware can be clearly identified as Brazilian and works by sending stolen data in the Oracle DB format. "Once running, the malware reports itself to the cybercriminals' infections statistics console and when open, a local port 1157 sends stolen information in the Oracle DB format. In addition, it downloads new malware into the system; some samples are 10Mb in size," he says. "This is the classic style of a Brazilian-created malware." Meanwhile Argentinian researcher Ariel Sanchez has poured cold water on most banking apps saying they were not safe. Sanchez in his research found out that the apps had a series of potentially exploitable vulnerabilities after carrying tests on: data transfer mechanisms, user interfaces, and storage processes. This vulnerability Sanchez says could be used to gain access to the development infrastructure of the bank and infect the application with malware, causing a massive infection for all of the application's users. More worrying is the fact that none of the banks identified as vulnerable have patched their vulnerabilities despite having been notified of their shortcomings.
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