Philadelphia Ransomware
Philadelphia is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick facts
How Philadelphia ransomware works
File encryption patterns
Philadelphia modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Philadelphia displays ransom notes demanding payment for file recovery:
notes/note.txt
notes/How to recover my files.txt
Technical indicators
Associated executable files
The following executable files are associated with Philadelphia ransomware:
- Isass.exe
- 0.jpg
- Philadelphia Ransomware
- 0.exe
- aa
- PZWsw.rar
- image.jpg.exe
- philadelphia.exe
- superx.exe
- 6d21e538115bcf303.exe
- 2017.2.16-10.Ransom.Philadelphia.exe
- pinco.exe
- delph1.dat
- autc870.tmp
- drivers.exe
- DropToolTranslated.exe
- scvhost.exe
- 844273.exe
Recovery and decryption tools
Decryption tools may be available for Philadelphia. Review the resources below:
About this analysis
This Philadelphia 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 Philadelphia.
Last updated: December 30, 2025
Elastio detects Philadelphia inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Philadelphia 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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