Ransomware Research
UnblockUPC Ransomware
UnblockUPC is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- UnblockUPC
- First Seen
- September 1, 2016
How UnblockUPC Ransomware Works
Targeted Files
NOSAMPLE e2487bcc8d18bbb3577ed12aeedb816e50f44f8f23dc0b8202b14df8ebc9a196 -> decryptor http://www.bleepingcomputer.com/forums/t/627582/unblockupc-ransomware-help-support-topic-files-encryptedtxt
File Encryption Patterns
UnblockUPC modifies encrypted files using specific patterns to mark them as encrypted:
Prefixes added to encrypted files:
encRansom Note and Payment Demands
After encrypting files, UnblockUPC displays ransom notes demanding payment for file recovery:
Files encrypted.txtRansom message:
notes/Files encrypted.txt
Note locations:
EveryFolderRansom message:
notes/note.txt
Elastio Can Help You
Don't let UnblockUPC ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This UnblockUPC 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 UnblockUPC.
Last updated: July 30, 2025