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Recover RSA private key from public keys - rhme2 Key Server (crypto 200)
 
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Using the greatest common divisor (GCD) to factorize the public modulo into the secret primes, so we can forge a RSA signature. Source for the rhme2 challenges: https://github.com/Riscure/Rhme-2016 -=[ ๐Ÿ”ด Stuff I use ]=- โ†’ Microphone:* https://amzn.to/2LW6ldx โ†’ Graphics tablet:* https://amzn.to/2C8djYj โ†’ Camera#1 for streaming:* https://amzn.to/2SJ66VM โ†’ Lens for streaming:* https://amzn.to/2CdG31I โ†’ Connect Camera#1 to PC:* https://amzn.to/2VDRhWj โ†’ Camera#2 for electronics:* https://amzn.to/2LWxehv โ†’ Lens for macro shots:* https://amzn.to/2C5tXrw โ†’ Keyboard:* https://amzn.to/2LZgCFD โ†’ Headphones:* https://amzn.to/2M2KhxW -=[ โค๏ธ Support ]=- โ†’ per Video: https://www.patreon.com/join/liveoverflow โ†’ per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join -=[ ๐Ÿ• Social ]=- โ†’ Twitter: https://twitter.com/LiveOverflow/ โ†’ Website: https://liveoverflow.com/ โ†’ Subreddit: https://www.reddit.com/r/LiveOverflow/ โ†’ Facebook: https://www.facebook.com/LiveOverflow/ -=[ ๐Ÿ“„ P.S. ]=- All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm. #CTF #Cryptography
Views: 42336 LiveOverflow
How To Recover Your Ransomware Encrypted Data Files For Free
 
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This tutorial will show you three techniques that you can use to recover files that have been encrypted by ransomware viruses such as , CryptoLocker, CryptoWall, CTB-Locker, Locky, TeslaCrypt, Cerber3, CryptoDefense, Petra, TorrentLocker and many others.
How do I remove POSHKODER virus and get encrypted files decrypted (Restore)
 
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Are you infected with POSHKODER? What is POSHKODER malware? POSHKODER is a encrypt file ransomware virus. This virus targets all versions of Windows including Windows XP, Windows Vista, Windows 7, and Windows 8. Onece infected, poshcoder virus will encrypting all the office files word,excel,PDF with extension ".POSHKODER" and it leave UnblockFiles.vbs script files along with the encrypted files. In order to get your files decrypted you need to purchase the decryptor for your files you need to pay ransom in Bitcoins. Though POSHKODER has numerous similarities to CryptoDefense or CryptorBit, there is no evidence that they are related. Why you would get infected by this POSHKODER encryptor ransomware virus? Usually you may click the unknown attachments or visiting the questionable websites. The files are encrypted using RSA-2048 encryption, which makes them impossible to decrypt via brute force methods. So, how to "decrypt" files encrypted by POSHKODER? ( Restore/recover files by yourself) Using Shadow Volume Copies: To restore individual files you can right-click on the file, go into Properties, and select the Previous Versions tab, click on the Restore button. Notice: This method maybe not work for everyone. More help at:http://blog.teesupport.com/how-to-remove-poshcoder-virus-poshcoder-ransomware-removal-guide/ Learn more about how to remove computer virus at:https://www.youtube.com/user/MrRemoveVirus
Views: 12547 Mr. RemoveVirus
Manually Remove "Your personal files are encrypted" by  Cryptowall/Cryptorbit/Cryptolocker & others
 
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Remove Cryptorbit, Cryptolocker, Cryptowall & others manually. No software required. I show you how to remove Cryptorbit but its the same exact steps to remove Cryptolocker as well as other similar infections. Follow me step by step. Pause this video if you need to. We will go into the registry but i will go slowly so pay attention. -First thing to do is go into you control panel and uninstall anything to do with Crypt. Some of you will have something in there, others will not. -Next we restart computer into "safe mode". Once your your computer starts to reboot back up, keep pressing the F8 key to get it in safe mode. Once there highlight and click "safe mode". -Once your computer is booted up and in safe mode click on the start button and type in "regedit" - Now, follow this exact path.. Hkey_current_User--software--microsoft--windows--current version--run- now look for Cryptorbit, right click it and press delete. And click yes to the prompt asking if you are sure you want to delete it. - Now click on the Start menu then click on "Administrator", then Appdata--Roaming-- then find and delete Cryptorbit. - Restart your computer as normal. And there you go. Congrats to you, you just did actually what these free programs will do except for adding additional malware on your computer. Please sub and Like if this worked for you. Thank you! Cyyptorbit Your personal files are encrypted. All files including videos, photos and documents, etc. on computer are encrypted. Encryption was produced using a unique public key generated for this computer. To decrypt files, you need to obtain the private key. The single copy of the private key, which will allow you to decrypt the files, located on a secret server on the Internet; the server will destroy the key after a time specified in this windows. After that, nobody and never will be to restore files. File decryption cost ~ $50. (some will say $200) In order to decrypt the files, open site 4sfxctgp53imlvzk.onion.to/index.php and follow the instruction. If 4sfxctgp53imlvzk.onion.to is not opening, please following steps below: 1. You must download and install this browser: http://www.torproject.org/projects/torbrowser.html.en 2. After installation, run the browser and enter the address: 4sfxctgp53imlvzk.onion.to/index.php 3. Follow the instructions on the web-site. We remind you that the sooner you do, the more changes are left to recover the files. Guaranteed recovery is provided within 10 days. http://barnegat-manahawkin.patch.com/groups/police-and-fire/p/prosecutor-warns-of-latest-home-computer-virus Prosecutor Warn of Latest Computer Virus
Views: 207531 iLuvTrading
Generate Private Key with OpenSSL
 
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Generate a 2048 bit length private key without passphrase
Views: 1735 Csaba Kerekes
HOW TO FIX " Your personal files are encrypted! " popup from CryptoLocker ransomware
 
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Remove CryptoLocker Ransomware and Restore Encrypted files. Cryptolocker (also known as "Trojan/Ransom-ACP", "Trojan.Ransomcrypt.F") is a Ransomware. After infected, -- usually following the opening of a malicious email. You will see a Cryptolocker - "Your personal files are encrypted!" windows popup Your important files encryption produced on this computer: photos, videos, documents, etc. Here is a complete list of encrypted files, and you can personally verify this. Encryption was produced using a unique public key RSA-2048 generated for this computer. To decrypt files you need to obtain the private key.(...) -- CryptoLocker takes control of the user's system and locks up all files How to remove CryptoLocker Ransomware & Restore Cryptolocker Encrypted files. Start your computer in "Safe Mode with Networking" To do this, 1. Shut down your computer. 2. Start up your computer (Power On) and, as your computer is booting up, press the "F8" key before the Windows logo appears. Follow the video,Good luck for you.
Views: 329307 Anti Computer Virus
Anti-CryptorBit Fixes Cadlink CDL files
 
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Got hit with the CryptorBit virus and lost a bunch of files.I was playing around with swapping the first 512 bytes of the header with a known good file. It kind of worked, but removing the last 512 bytes fixed the issue. The guys on the Bleeping Computer forum created a tool to help fix different file formats. This is just a small video to show that the "Generic Fix" fixes CADlink CDL files.
Views: 1555 synergy17llc
AppCheck Anti-Ransomware : GandCrab v5.0 Ransomware ({Encryption Extension}-DECRYPT.txt) Block Video
 
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AppCheck Anti-Ransomware (https://www.checkmal.com) ์ œํ’ˆ์ด ํŒŒ์ผ์„ .{5 Digit Random Extension} ํ™•์žฅ๋ช…์œผ๋กœ ์•”ํ˜ธํ™”ํ•˜๋Š” GandCrab Ransomware (v5.0) ํ–‰์œ„๋ฅผ ์ฐจ๋‹จ/์ œ๊ฑฐ ๋ฐ ์ผ๋ถ€ ํ›ผ์†๋œ ํŒŒ์ผ์„ ์ž๋™ ๋ณต์›ํ•˜๋Š” ์˜์ƒ์ž…๋‹ˆ๋‹ค.
Views: 3782 CheckMAL Inc.
How do I Decrypt my files after infected Decrypt Protect virus (MBL Advisory)
 
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If your computer is locked by Decrypt Protect [MBL Advisory], and you are seeing a message like "You have lost control over your computer" or "You have 48 hours left to enter your payment" then your computer is infected with ransomware.Files (pdf, jpg, doc, rtf, etc) are appended with new extension .html, new headers are added into the code itself , and the file data is encrypted and commented out in the "html file".The files that are encrypted are mainly, documents, videos, images, with the following extensions (.ddrw ,.pptm ,.dotm ,.xltx ,.text ,.docm ,.djvu ,.potx ,.jpeg ,.pptx ,.sldm ,.xlsm ,.sldx ,.xlsb ,.ppam ,.xlsx ,.ppsm ,.ppsx ,.docx ,.odp ,.eml ,.ods ,.dot ,.php ,.xla ,.pas ,.gif ,.mpg ,.ppt ,.bkf ,.sda ,.mdf ,.ico ,.dwg ,.mbx ,.sfx ,.mdb ,.zip ,.xlt). Get help at:http://blog.teesupport.com/decrypt-protect-ukash-virus-asks-to-pay-300how-to-unblock-computer-fast/ Learn more about How to remove othe virus at:https://www.youtube.com/MrRemoveVirus
Views: 123876 Mr. RemoveVirus
JPEG image decryption using TransCrypt Image
 
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This video shows how previously encrypted JPEG image can be decrypted using new TransCrypt Image. New TransCrypt Image is now being prepared for commercial use and will allow users to encrypt, sign, decrypt JPEG images without changing file format, that means a possibility to post , send and distribute secure JPEG images using normal means (social networks, email) like if it is a normal picture. Only specified will be able to see the content of image and you will not have to be worried about about security or authorship of our images. Demo download: Win 32 bit version http://www.secomsoft.com/en/arc/soft/tcimg112_en_x86.exe Win 64 bit version: http://www.secomsoft.com/en/arc/soft/tcimg112_en_x64.exe
Views: 21261 Buypki