Ransomware Research
CatB Ransomware
CatB is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2022, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: FishA, CatFish, FishCat, Fish-Cat, FishA-CatB.
Quick facts
- Ransomware Family
- CatB
- First Seen
- November 1, 2022
- Known Aliases
- FishA
- CatFish
- FishCat
- Fish-Cat
- FishA-CatB
How CatB ransomware works
File modification behavior
CatB updates file modification timestamps after encryption.
Technical indicators
Associated executable files
The following executable files are associated with CatB ransomware:
- svchosts.exe
- Catb-35a273df61f4506cdb286ecc40415efaa5797379b16d44c240e3ca44714f945b.dll
- 1.dll
- oci.dll
- svchosts
About this analysis
This CatB ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like CatB.
Detection coverage
Elastio detects CatB inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify CatB across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.