Ransomware Research
Pay2Decrypt Ransomware
Pay2Decrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: BatFilecoder, BleachGap, RenderGraphics, LeakGap, Humble, Onim.
Quick Facts
- Ransomware Family
- Pay2Decrypt
- First Seen
- October 1, 2019
- Known Aliases
- BatFilecoderBleachGapRenderGraphicsLeakGapHumbleOnim
How Pay2Decrypt Ransomware Works
File Encryption Patterns
Pay2Decrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lck..aes..h$./\.PAY2DECRYPT\w+$/Ransom Note and Payment Demands
After encrypting files, Pay2Decrypt displays ransom notes demanding payment for file recovery:
/^Pay2Decrypt[0-9]{1,3}\.txt$/Ransom message:
notes/Pay2Decrypt17.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Pay2Decrypt ransomware:
software.exeexecutable.exeRenderGraphics.binBatFilecoderNewRealisticSoftwarefilecoder Ransomware.exeransom.exeBleachGap.exeMBR_Note_Builder.exeMBR - Note Builder.exeMBR_-_Note_Builder.exeMBR - NOTE BUILDER.EXEgameover.exeOnim Ransomware.exeSetup.exeMalwareBytes_crack_2021.exeAmogus.bingameover.exe (KillMBR)ransomito.exe
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About This Analysis
This Pay2Decrypt 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 Pay2Decrypt.
Last updated: October 30, 2025
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