Avast – Avast – Rootkits are dangerous pieces of malware. Once in place, they are usually really hard to detect. Their code is typically more challenging to write than other…
Tag: Avast
Decrypted: TaRRaK Ransomware
Avast – Avast – The TaRRaK ransomware appeared in June of 2021. This ransomware contains many coding errors, so we decided to publish a small blog about them. Samples of…
Outbreak of Follina in Australia
Avast – Avast – Our threat hunters have been busy searching for abuse of the recently-released zero-day remote code execution bug in Microsoft Office (CVE-2022-30190). As part of their investigations,…
Avast Q1/2022 Threat Report
Avast – Avast – Cyberwarfare between Ukraine and Russia The first quarter of 2022 is over, so we are here again to share insights into the threat landscape and what…
Warez users fell for Certishell
Avast – Avast – Research of this malware family began when I found a malicious task starting powershell code directly from a registry key within our user base. I wasn’t…
Zloader 2: The Silent Night
Avast – Avast – In this study we are considering one of Zeus successors – Zloader 2. We’ll show how it works and its code peculiarities. We’ll present the result…
Parrot TDS takes over web servers and threatens millions
Avast – Avast – A new Traffic Direction System (TDS) we are calling Parrot TDS, using tens of thousands of compromised websites, has emerged in recent months and is reaching…
Avast Finds Compromised Philippine Navy Certificate Used in Remote Access Tool
Avast – Avast – Avast Threat Intelligence Team has found a remote access tool (RAT) actively being used in the wild in the Philippines that uses what appears to be…
Operation Dragon Castling: APT group targeting betting companies
Avast – Avast – We recently discovered an APT campaign we are calling Operation Dragon Castling. The campaign is targeting what appears to be betting companies in South East Asia,…
Mēris and TrickBot standing on the shoulders of giants
Avast – Avast – This is the story of piecing together information and research leading to the discovery of one of the largest botnet-as-a-service cybercrime operations we’ve seen in a…