W32/Eris.A!tr.ransom
Analysis
W32/Eris.A!tr.ransom is a generic detection for a Ransomware Eris trojan. Since this is a generic detection, this malware may have varying behaviour.
Below are some of its observed characteristics/behaviours:
- This malware may drop any of the following file(s):
- @ READ ME TO RECOVER FILES @.txt : This file is dropped all over the affected hosts drive and will serve as ransom notes.
- Affected files of this Ransomware will use the filenaming format {OriginalFileName.ext}.ERIS.
- Affected victims of this Ransomware are redirected by the attacker via:
- ErisFixer@tuta.io
- Below is an illustration of the malware's ransom notes:
- Figure 1: Ransom note part 1.
- Figure 2: Ransom note part 2.
Recommended Action
- Make sure that your FortiGate/FortiClient system is using the latest AV database.
- Quarantine/delete files that are detected and replace infected files with clean backup copies.
Telemetry
Detection Availability
FortiGate | |
---|---|
Extended | |
FortiClient | |
Extreme | |
FortiAPS | |
FortiAPU | |
FortiMail | |
Extreme | |
FortiSandbox | |
Extreme | |
FortiWeb | |
Extreme | |
Web Application Firewall | |
Extreme | |
FortiIsolator | |
Extreme | |
FortiDeceptor | |
Extreme | |
FortiEDR |