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Hermes 2.1 - removal

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#1 jcinIT


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Posted 14 February 2018 - 07:03 AM



Long time lurker and major fan of BleepingComputer.


Was hit with Hermes2.1, even on the external backup drive.

Paid ransom, got the decryptor.  Went offline to recover files, backed up and ran adwcleaner, jrt, frst, malwarebytes (full), security essentials (full).


Went back online with new backup methods (including offsite).  Not even day later, files re-encrypted.


What is the best way to remove this payload?


Windows Server 2008 r2.


Did notice that it seems to be coming from account "NewUser" which has been disabled, profile folders has been deleted.


Please help, thank you very much.



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#2 quietman7


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Posted 14 February 2018 - 05:16 PM

If you need individual assistance only with removing the malware infection, follow the instructions in the Malware Removal and Log Section Preparation Guide...all other questions or comments should be posted in the support topics. When you have done that, start a new topic and post your logs in the Virus, Trojan, Spyware, and Malware Removal Logs forum, NOT here, for assistance by the Malware Response Team. If HelpBot replies to your topic, please follow Step One and CLICK the link so it will report your topic to the team members.

Unfortunately, there is no known method to decrypt files encrypted by Hermes 2.x without paying the ransom. Demonslay335 advised the criminals have fixed the keygen flaw and added RSA-2048 to protect the AES keys. If possible, your best option is to restore from backups, try file recovery software or backup/save your encrypted data as is and wait for a possible solution at a later time.

There is an ongoing discussion in this topic where victims can post comments, ask questions and seek further assistance. Other victims have been directed there to share information, experiences and suggestions.Rather than have everyone with individual topics, it would be best (and more manageable for staff) if you posted any more questions, comments or requests for assistance in the above support topic discussion...it includes experiences by experts, a variety of IT consultants, end users and company reps who have been affected by ransomware infections. To avoid unnecessary confusion, this topic is closed.

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