Ransomware Research
OoPS Ransomware
OoPS 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. Security researchers also track this malware under the aliases: OoPS Ramenware.
Quick Facts
- Ransomware Family
- OoPS
- First Seen
- May 1, 2017
- Known Aliases
- OoPS Ramenware
How OoPS Ransomware Works
Targeted Files
https://www.trendmicro.com/vinfo/us/threat-encyclopedia/malware/ransom_zipramen.a Requires DotNetZip.dll Packs files to encrypted zip-archives VM check Requires C&C to send data
File Encryption Patterns
OoPS modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ramenTechnical Indicators
Associated Executable Files
The following executable files are associated with OoPS ransomware:
OoPS Ramenware.exe
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About This Analysis
This OoPS 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 OoPS.
Last updated: July 30, 2025