The Amvaldo banking Trojan is a hacking tool that has been pretty much used to target users based in Brazil exclusively. However, since June 2019 it would appear that its operators have decided to expand their reach and begin launching campaigns in Chile and Mexico as well.
The authors of the Amvaldo Trojan stick to the tried and tested propagation method of spam email campaigns. The emails would contain an attachment normally, and the message would urge the user to open it because it is 'important.' In some of the campaigns, the creators of the Amvaldo disguised the attachment as a seemingly legitimate Microsoft Office Document, while in others there will be a '.MSI' file attached that poses as an update for an Adobe tool.
As a self-preservation technique, the Amvaldo banking Trojan's code is obfuscated heavily. Malware authors often do this so that their creations may bypass the checks anti-malware applications and make it more difficult for cybersecurity researchers to dissect their threat. The Amvaldo Trojan also scans the infected host for any potential presence of banking security tools, which may prevent them from executing their plan.
Once the Amvaldo Trojan has ensured that nothing stands in its way, it will get to work. This threat is able to scan the opened windows and tabs of the user looking for certain online banking portals. If Amavaldo detects that the victim is browsing one of the banking portals that the Trojan is meant to target, it will take a screenshot of the active Web browser tab. The screenshot is then set as a wallpaper, and the Web browser is minimized. In the meantime, the Amavaldo malware will disable commonly used keyboard shortcuts, and display a bogus pop-up window that contains a tailored login prompt that uses the styling and interface of the banking portal that the user was trying to access.
Apart from this, the Amvaldo banking Trojan also can:
- Use the webcam.
- Download and execute files.
- Launch a keylogger.
- Control the cursor.
- Modify the keyboard's input.
Unless you are tech-savvy or have had dealings with banking Trojans before it is likely that you may not notice the trickery of the Amvaldo Trojan. This is why it is crucial to have a reputable anti-virus software suite installed on your system, which will likely sniff out threats like the Amvaldo banking Trojan and remove them swiftly.
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Security Doesn't Let You Download SpyHunter or Access the Internet?Solutions: Your computer may have malware hiding in memory that prevents any program, including SpyHunter, from executing on your computer. Follow to download SpyHunter and gain access to the Internet:
- Use an alternative browser. Malware may disable your browser. If you're using IE, for example, and having problems downloading SpyHunter, you should open Firefox, Chrome or Safari browser instead.
- Use a removable media. Download SpyHunter on another clean computer, burn it to a USB flash drive, DVD/CD, or any preferred removable media, then install it on your infected computer and run SpyHunter's malware scanner.
- Start Windows in Safe Mode. If you can not access your Window's desktop, reboot your computer in "Safe Mode with Networking" and install SpyHunter in Safe Mode.
- IE Users: Disable proxy server for Internet Explorer to browse the web with Internet Explorer or update your anti-spyware program. Malware modifies your Windows settings to use a proxy server to prevent you from browsing the web with IE.
This article is provided "as is" and to be used for educational information purposes only. By following any instructions on this article, you agree to be bound by the disclaimer. We make no guarantees that this article will help you completely remove the malware threats on your PC. Spyware changes regularly; therefore, it is difficult to fully clean an infected machine through manual means.