Researchers this year discovered a pair of malicious campaigns that attempted to distribute the recently discovered Amavaldo banking trojan to Brazilians and Mexicans, respectively.

Amavaldo is one of 10 malware families that researchers at ESET's lab in Prague are claiming to have discovered since 2017, when they first launched an in-depth investigation into Latin American banking trojans. The trojan, whose name means "Lovable," is anything but.

"After detecting a bank-related window, it takes a screenshot of the desktop and makes it look like the new wallpaper," explains the ESET research team, in a company blog post today. "Then it displays a fake pop-up window chosen based on the active window's text while disabling multiple hotkeys and preventing the victim to interact with anything else but the popup window."

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