The threat poses as an update for the official Android app available to customers of NH Nonghyup Bank, one of South Korea's biggest financial institutions, according to a blog post published Friday by researchers from antivirus provider Trend Micro. By exploiting the so-called master-key vulnerability in the mobile OS, this malware bears the same cryptographic signature found in the legitimate release, even though the update contains malicious code that uploads user credentials to a remote server.
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