Ransomware Research
Maktub Ransomware
Maktub is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Maktub
- First Seen
- March 1, 2016
How Maktub Ransomware Works
File Encryption Patterns
Maktub modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[a-z]{4,6}\b/Ransom Note and Payment Demands
After encrypting files, Maktub displays ransom notes demanding payment for file recovery:
/^_DECRYPT_INFO_[a-z]{4,6}\.html\b/Ransom message:
notes/_DECRYPT_INFO_atjdoh.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Maktub ransomware:
Tandberg Constellations.exetim_lassiter_20160321_tos.scrC.dllChartFewer.exesandra_mclamb.scrinvoice-03-21-2017-ENC197472.scrinvoice-03-21-2017-EZU280432-update.scrSafariBacktrackai_downloaded_temp_file_bkdlwkzw.exeai_downloaded_temp_file_0dnx2hy9.exeai_downloaded_temp_file_ru1dvajz.exeai_downloaded_temp_file_nhxawree.exeai_downloaded_temp_file_t78tuotk.exeai_downloaded_temp_file_wh8njtyg.exeai_downloaded_temp_file_vytpokag.exeai_downloaded_temp_file_dhmpsomh.exeai_downloaded_temp_file_iiylvqip.exeTOS-update-2016-Marth-18.scr
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About This Analysis
This Maktub 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 Maktub.
Last updated: July 30, 2025