Incidents

AdWare crosses the line

Malware has evolved a step further. AdWare has been compared to Trojan code for quite some time, but now we’re seeing AdWare behaving like a file infector. This is something new.

A variant of the infamous CoolWebSearch family is infecting legitimate files in a way that when the infected file gets run, the AdWare file gets loaded too.

This means that you need to disinfect the legitimate file. If you delete the AdWare, but don’t cure the file infection, this will cause problems.

It will be interesting to see how most Anti-Spyware programs will cope with this issue, as their engines aren’t designed to disinfect executable files.

AdWare crosses the line

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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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