Ransomware Research

Spora Ransomware

Spora is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Spora
First Seen
January 1, 2017

How Spora Ransomware Works

Ransom Note and Payment Demands

After encrypting files, Spora displays ransom notes demanding payment for file recovery:

file/^README_\w{8}\.hta$/

Ransom message:

notes/README_sTlLoTpq.hta

Note locations:

EveryFolder
file/^HELP_[A-Za-z0-9]{8}\.html$/

Note locations:

EveryFolder
file/^[A-Z0-9]{5}-[A-Z0-9]{5}-[A-Z0-9]{5}-[A-Z0-9]{5}-[A-Z0-9]{5}\.HTML$/

Ransom message:

notes/USC31-0AFRT-XHTZT-AATXE-GTAZY.HTML

Note locations:

EveryFolder
file/^[A-Z0-9]{5}-[A-Z0-9]{5}-[A-Z0-9]{5}-[A-Z0-9]{5}\.HTML$/

Ransom message:

notes/USAF2-7DZTZ-TZTXF-THZTZ.HTML

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Spora ransomware:

  • readme.hta
  • Скан-копия _ 10 января 2017г. Составлено и подписано главным бухгалтером. Экспорт из 1С.a01e743_рdf.hta
  • spora.hta
  • spora.bin
  • Spora.hta
  • Скан-копия _ 10 января 2017г. Составлено и подписано главным бухгалтером. Экспорт из 1С.a01e743_рdf.vhta
  • Not Sure.hta
  • goodtdeaasdgb54.exe
  • 1.vir.HSvir
  • Spora.scr
  • welcome to dreamland.scr
  • 1.scr
  • Spora.exe
  • 410a0e9.exe
  • Lemr
  • Jass
  • spora.exe
  • a9a19.exe
  • rad43969.tmp.exe
  • radF0D46.tmp.exe
  • aa
  • cThVqM.msc
  • 2b8d9412-046c-0916-0679-30387c1682a2.exe111
  • 2b8d9412-046c-0916-0679-30387c1682a2.e111xe
  • 2b8d9412-046c-0916-0679-30387c1682a2.exe1
  • 0d603f742bb
  • 0d603f742bb.exe
  • b50ba7df-db3d-4ff4-ca25-25a0b95e58ac.exe1
  • 0d603f742bb.ex
  • FileSpy
  • FileSpy.EXE
  • EGUIKSAMJI.EXE
  • radF14DE.exe
  • rad73C77.exe
  • radC24A0.exe
  • rad0F77A.exe
  • rad0BA51.exe
  • rad895B5.exe

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About This Analysis

This Spora 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 Spora.

Last updated: October 30, 2025

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