DriedSister ransomware : Proved Ransomware Removal Method From Windows

DriedSister ransomware : Threat Inspection



DriedSister ransomware






File extension



Spam emails attachments, P2P file sharing, free downloads, malicious website, suspicious ads etc.

Infected systems

Windows OS

Detection Tool

Free Malware Scanner to detect DriedSister ransomware

DriedSister ransomware Is a Japanese Ransomware That Doesn't Demand Ransom Money

DriedSister ransomware is a newly found Crypto ransomware variant that has been detected in the beginning of February 2018. According to a latest research of malware experts it is a highly similar to Himouto Umaru-chan Ransomware and that is why it is also spotted as Umaru Ransomware. The ransom virus uses AES cryptography encryption mechanism to encrypt your files such as MS-Office documents files, OpenOffice, texts, pdfs, spreadsheets, databases, music files, audio files, video files, archives, html, or others files. It specially targeting the files that start with "-recover" argument. After following successful encryption on targeted files it add a new ".干物妹!" to the end of the compromised files. The original name of the DriedSister ransomware is 下 物 妹. It is sound in English like "Irismo imoto". It is an interesting fact that the name of the ransom virus is that a phrase 下 物 妹 that refers to a woman who has given up on love and very kind in self indulgence. But in this case the woman is replaces with sister.

remove DriedSister ransomware

After following encryption on system it does not deliver a ransom note on affected system screen. It does not demand ransom all from the victims. It does not mean that it is not a variant of Crypto virus. However the ransomware does not generate the ransom note in Japanese "干 物 妹! 身 代金 ウ イ ル ル". The file does not contain any valuable details about the decryptor of the DriedSister ransomware. Initially this virus is deliberately among the Japanese users and it is not confirmed that its predecessors won't expand globally. At the time of writing it is not so clear that how many peoples are infected with the ransomware but it is clear that the ransomware is not decryptable. You can not access your files without paying the ransom and the hackers didn't developed any paid decryptor.

Hence the only way to get away it from your system and save your files to remove DriedSister ransomware from infected PC as soon as possible by using a strong anti-malware on compromised machine. Then use kept backup and run it on system to restore all your files.  

Free Scan your Windows PC to detect DriedSister ransomware


What To Do If Your PC Get Infected By DriedSister ransomware

The ransomware infection has been mainly designed with the purpose to scare users and trick their money. It take your files on hostage and demand ransom to return your important data. But now the question is what you can do when your system got infected by DriedSister ransomware virus? Here are some option that you can use to get rid of this nasty infection.

Don’t Panic – Well the first thing is Don’t panic and then completely check out your system for any working files. If you got any working files then copy it to USB drive.

Pay Ransom – Other option is you can pay the ransom and wait to get your files back. (really a bad option)

Use Backup – Clean you entire system files, remove the infection completely from your PC and restore your files with any backup.

Remove Infection – You can also delete DriedSister ransomware virus using malware removal tool and remove all the infected files. You can later recover all your data by using any data recovery tool. (In case you don’t have backup of your files.) – Recommended Method.

Reinstall Windows – The last option is reinstall your Windows OS. It will completely remove all your data as well as infection. You will get a completely new infection free PC.

How To Remove DriedSister ransomware Virus From Your PC

Step 1Boot your computer in Safe mode.

Step 2 – Remove the infected registry entry files.

  • Click Windows Flag and R button together.


  • Type “regedit” and click OK button


  • Find and delete following entries.



HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMain “Default_Page_URL”

HKEY_LOCAL_Machine\Software\Classes\[DriedSister ransomware]

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\[DriedSister ransomware]

Step 3 – Remove From msconfig

  • Click Windows + R buttons simultaneously.


  • Type msconfig and press Enter


  • Go to Startup tab and uncheck all entries from unknown manufacturer.


Step 4 – Restart your computer normally.

Check your computer now. If the virus has gone then you can start using your computer. If the infection still remains then head to the next step.

Step 5 – System Restore

  • Insert Windows installation disk to CD drive and restart your PC.
  • While system startup, keep pressing F8 or F12 key to get boot options.
  • Now select the boot from CD drive option to start your computer.
  • Then after you will get the System Recovery Option on your screen.
  • Select the System Restore option from the list.
  • Choose a nearest system restore point when your PC was not infected.
  • Now follow the option on your screen to Restore your computer.

If the above manual methods didn’t removed DriedSister ransomware virus then you have only option to remove infection using a malware removal tool. It is last and the only option that can easily and safely remove this nasty threat from your computer.


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