Ransomware Research
DrWeb Ransomware
DrWeb is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- DrWeb
- First Seen
- March 1, 2023
How DrWeb Ransomware Works
Targeted Files
Skips first 0x25 bytes
File Encryption Patterns
DrWeb modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..DrWeb
Ransom Note and Payment Demands
After encrypting files, DrWeb displays ransom notes demanding payment for file recovery:
КАК РАСШИФРОВАТЬ ФАЙЛЫ.txt
Ransom message:
notes/КАК РАСШИФРОВАТЬ ФАЙЛЫ.txt
Note locations:
EveryFolder
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletion
Technical Indicators
Associated Executable Files
The following executable files are associated with DrWeb ransomware:
UVF4G43eJVcNx5Z.exe
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About This Analysis
This DrWeb ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like DrWeb.
Last updated: July 30, 2025