Malware descriptions

Choose your preferred Fake AV

Isn’t it great when your forecasts come true? Well, sometimes. But maybe not this time. Today I found a malicious site specially designed to fake three antivirus brands. Kaspersky is top of the list. So, what does it look like?

In the past we’ve seen Rogue AV websites using fake screenshots made with templates but without any real interaction with the user PC. These fakes didn’t claim to find any infections – the victim was simply ripped off after paying for a useless product. Now, though, we’ve found a new version where the Fake AV simulates the results of a malware search.

So, how does the infection happen? There is a dropper (Trojan.Win32.Scar.fdiz) which downloads the Fake GUI required by the scam. The query is built with this rule:

http://X.X.X.X/fakeav/interface.php?av=[Anti-Virus GUI name]&lang=en

Here is the list of the files / brands on this Fake AV server:

Choose your preferred Fake AV

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Reports

APT trends report Q1 2022

This is our latest summary of advanced persistent threat (APT) activity, focusing on events that we observed during Q1 2022.

Lazarus Trojanized DeFi app for delivering malware

We recently discovered a Trojanized DeFi application that was compiled in November 2021. This application contains a legitimate program called DeFi Wallet that saves and manages a cryptocurrency wallet, but also implants a full-featured backdoor.

MoonBounce: the dark side of UEFI firmware

At the end of 2021, we inspected UEFI firmware that was tampered with to embed a malicious code we dub MoonBounce. In this report we describe how the MoonBounce implant works and how it is connected to APT41.

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