Ransomware Research

Rapid Ransomware

Rapid is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Rapid NextGen.

Quick Facts

Ransomware Family
Rapid
First Seen
November 1, 2017
Known Aliases
Rapid NextGen

How Rapid Ransomware Works

Targeted Files

https://app.any.run/tasks/fc49c17b-c2e9-4ff5-b84a-989a7841a212/ https://app.any.run/tasks/d7754ced-e4d6-4cf8-a6de-9c4339bc54ef/ https://app.any.run/tasks/fefb8fb6-f268-45fe-b7fc-11572054285a/

File Encryption Patterns

Rapid modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..rapid..RPD..no_more_ransom..GILLETTE..guesswho..mouse..droprapid..cryptolocker

Ransom Note and Payment Demands

After encrypting files, Rapid displays ransom notes demanding payment for file recovery:

fileHow Recovery Files.txt

Ransom message:

notes/How Recovery Files.txt

Note locations:

EveryFolder
fileDecrypt DATA.txt

Ransom message:

notes/Decrypt DATA.txt

Note locations:

EveryFolder
file!DECRYPT_DROPRAPID.txt

Ransom message:

notes/!DECRYPT_DROPRAPID.txt
file!DECRYPT_FILES.txt

Ransom message:

notes/!DECRYPT_FILES.txt

Note locations:

EveryFolder
file!files-recovery.txt

Ransom message:

notes/!files-recovery.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/kakdela.bmp

Note locations:

Desktop
file#How Recovery Files.txt

Ransom message:

notes/#How Recovery Files.txt

Technical Indicators

Associated Executable Files

The following executable files are associated with Rapid ransomware:

  • 8ee39b00409c4b1899ce3a77841eea1f7700946e
  • rapid_7UR2.exe
  • Relec.exe
  • N29hoWFmXsBxuPOuqXu8QhPgtKEcRn
  • 657666.exe
  • info.exe
  • Info.exe
  • frenkmoddy@tuta.io.exe
  • rapid.exe
  • alexgen.exe
  • inst123.exe
  • M97eaPT4TEhecyYe.exe
  • ZjQPZquSkNFw0DORYIBM8xc2WrATrv.exe
  • j2CJDcJs3bg3s570Abdch3QYp9U.exe
  • YnkO8CymMp2SP5L5HrmS.exe
  • B4p7LUNzHJiFnr8b5wwMUOmtKa5.exe
  • ZByzjqzibgU6epxuH2.exe
  • QCLp91HNLE8zwoHI.exe
  • PeFebIBQFCgPa0r.exe
  • GEyIvSkLGjgHcu25uNqa.exe
  • RQwAuZNsz6hoc0fwowqqN5GBCh.exe
  • 8iPhv4MiPAgPA9izIAq6a.exe
  • mPCZx7y818aAhSPYDjmAI.exe
  • vM45ijW46tX9YGLOpC2aMcy.exe
  • League of Legends
  • LeagueClientUx.exe
  • strikeCfcomJ.data
  • Rapid.exe
  • no_more_ransom.exe
  • Spp
  • eslf.exe
  • norapid.exe
  • temp01.exe
  • info.exe
  • userkey.dat
  • info.old.exe

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About This Analysis

This Rapid 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 Rapid.

Last updated: July 30, 2025

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