Ransomware Research
Waiting Ransomware
Waiting is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Waiting
- First Seen
- April 1, 2020
How Waiting Ransomware Works
Targeted Files
Encrypts first 1Mb original_file XXXXXXXXX.waiting -> Biblio.mdb RQQKPTQS5.waiting
File Encryption Patterns
Waiting modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..waitingRansom Note and Payment Demands
After encrypting files, Waiting displays ransom notes demanding payment for file recovery:
ReadMe.htaRansom message:
notes/ReadMe.hta
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Waiting ransomware:
worker 5 -t.exe
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About This Analysis
This Waiting 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 Waiting.
Last updated: July 30, 2025