Onion crypto-ransomware now using Tor network Hardware and Software Information Security by happygeek …with the discovery of onion crypto ransomware. Also known as Critroni, and CTB-Locker for what it's worth, the…the same time the first instances of underground marketing for Critroni were spotted by security researchers. Now emerging from the… Russian enclave where it was first tested out, Critroni/Onion sells for 'just' $3000 and is being … Re: cryptolocker ? encrypted files Hardware and Software Information Security by nullptr The random 7 letter file extension is indicative of a CTB Locker aka Critroni variant. If so, there's no way to recover the private key needed to decrypt the files other than paying the ransom (playing ransom roulette). Re: Onion crypto-ransomware now using Tor network Hardware and Software Information Security by Hiroshe Evil side: I like the idea of using Tor to control malware. It's more convieneint then using public wifi, usenet, Pastebay, etc... Good"er" side: Back your stuff up (off site)! Randsomware, harddrive failure, fire, theft, etc... are all dangerous. Re: Onion crypto-ransomware now using Tor network Hardware and Software Information Security by iamthwee Ever since I moved to linux I've not had to deal such issues. I haven't reformatted my machine in at least two years.