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Ransomware Research
4rw5w Ransomware
4rw5w is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- 4rw5w
- First Seen
- May 1, 2017
How 4rw5w ransomware works
File modification behavior
4rw5w updates file modification timestamps after encryption.
File encryption patterns
4rw5w modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .4rwcry4w
Ransom note and payment demands
After encrypting files, 4rw5w displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with 4rw5w ransomware:
- 4rw4w.exe
About this analysis
This 4rw5w 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 4rw5w.
Detection coverage
Elastio detects 4rw5w inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify 4rw5w 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.