Avaddon
Intelligence Profile
Avaddon is a ransomware malware targeting Windows systems often spread via malicious spam. The first known attack where Avaddon ransomware was distributed was in February 2020. Avaddon encrypts files using the extension .avdn and uses a TOR payment site for the ransom payment.
Threat Analysis
Avaddon is a high-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of financial.
Financially motivated threat actors like Avaddon prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.
With high sophistication, Avaddon is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.
Ransomware Victims (147)
CTIWATCH tracks 147 organizations claimed as victims by Avaddon on its data leak site, with attack dates, sectors and countries.
View full victims list →