Troldesh Ransomware
Troldesh is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2015, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Shade.
Quick facts
How Troldesh ransomware works
File encryption patterns
Troldesh modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Troldesh displays ransom notes demanding payment for file recovery:
notes/README10.txt
notes/How to decrypt your files.txt
notes/How to decrypt your files.jpg
notes/How to decrypt your files1.jpg
notes/How to decrypt your files2.jpg
notes/How to decrypt your files3.jpg
notes/How to decrypt your files4.jpg
notes/FBD1B9FDFBD1B9FD.bmp
notes/wp.jpg
notes/HOW TO DECRYPT DATA.jpg
notes/DECRYPT.jpg
notes/DECPYPT FILES.txt
notes/HOW TO DECRYPT DATA.txt
notes/Decryption instructions.txt
Technical indicators
Associated executable files
The following executable files are associated with Troldesh ransomware:
- csrss.exe
- CSRSS.Exe
- CSRSS0.dll
- ClamWinPortable-OYrhgtQ2.exe
- TPVCGateway
- TPVCGateway.exe
- fan.EXE
- cuteftp.exe
- sserv.jpg
- WUDFHost.exe
- myfile.exe
- MSBuild.exe
- 1c.jpg
- csrss(188).gxe
- 1c_1_.jpg
- 6DYO88DN.exe
- fan.EXE
- centurion_legion@aol.com.exe
- schet.23.05.doc.exe
- Qki2.dot
- U1Midlpu.xlt
- baba all.exe
- babaalll.exe
- executable.exe
- Payload1.exe
- Payload.exe
- setap2.exe
- ninja_gaiver@aol.com.exe
About this analysis
This Troldesh 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 Troldesh.
Last updated: December 30, 2025
Elastio detects Troldesh inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Troldesh across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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