In 2015, the Turkish security researchers Utku Sen published the HiddenTear ransomware, the first open source ransomware, for educational purposes.
The original code was decryptable, for this reason, many other variants based on it were decryptable too.
HT Brute Forcer currently supports several HiddenTear variants, including:
8lock8, AnonCrack, Assembly, Balbaz, BankAccountSummary, Bansomqare Wanna, Blank, BloodJaws, Boris, CerberTear, CryptConsole2, CryptoKill, CyberResearcher, Data_Locker, Dev-Nightmare 2xx9, Diamond, Domino, Donut, dotRansom, Executioner, Executioner2, Executioner3, Explerer, FlatChestWare, Frog, Fuck_You, Gendarmerie, Horros, JobCrypter, Jodis, J-Ransomware, J-Want-To-Cry, Karmen, Kraken 2.0, Kratos, LanRan, Lime, Lime-HT, Luv, Matroska, MireWare, MoonCrypter, MTC, Nobug, Nulltica, onion3cry, OpsVenezuela, Paul, PayOrDie, Pedo, PGPSnippet, Poolezoor, Pransomware, Predator, Qwerty, Random6, Random6 2, Randion, RansomMine, Rootabx, Saramat, Shrug, ShutUpAndDance, Sorry, Symbiom, TearDr0p, Technicy, The Brotherhood, TheZone, tlar, TotalWipeOut, TQV, Ton, VideoBelle, WhiteRose, WhiteRose2, Zalupaid, ZenCrypt, Zenis, ZeroRansom, Zorro
Victims of the HiddenTear Ransomware could follow the step by step procedure, published by Bleeping Computer, to decrypt their files for free.
(SecurityAffairs –HT Brute Forcer, ransomware)