How to remove de_crypt_readme virus and decrypt files infected by CryptXXX

Installation of CryptXXX is a payload for the trojan called Bedep. The latter takes advantage of system vulnerabilities exploited by Angler kit.

The Angler exploit kit is hosted on a corrupted website.  Such a website may be intentionally designed for the malicious purpose or its otherwise benign code could be cracked and modified by the attacker. That does not really matter for a victim: one way or another, the exploit executes its payload and drops the backdoor trojan. The trojan may be detected under a variety of names, but Bedep and derivatives thereof prevail.

The backdoor so injected proceeds with fulfilling its tasks, of which the most dangerous is the ransomware invasion. That is, CryptXXX has been observed to enter computer systems via malicious routine arranged by Bedep trojan. The campaign has been ongoing since April 2016.

 

That will provide a good background for better understanding the encryption attacks and ransomware and best practice for preventing the invasion.

Cryptxxx ransomware shares a delayed start time

Cryptxxx ransomware shares a delayed start time

Behavior of Cryptxxx ransom trojan

The ransomware itself belongs to the group of infections dubbed Reveton. The strain under review deploys RSA encryption campaign transforming data on the host machine into unreadable and unrecognizable format. To complicate the scam investigation, the ransomware lingers approximately one hour after its introduction. IT security experts suppose the measure aims at concealing the infection vector. That is, the ransomware lingering span creates a gap between the invasion and the encryption so that the victims would not associate the attack with the website that has exploited system vulnerabilities to drop the virus.

CryptXXX informs its victims on the attack with its ransom note. It generates the note in three formats so that the users can read it with any editor. The message is quite typical. A victim is  prompted to pay the ransom in bitcoin currency, the amount is approximately USD 500. A dedicated TOR channel is to be  established for each transaction. That ensures ultimate anonymity of the parties to the transaction.

Apart from executing the data encryption payload, the rogue is notorious for  stealing data from your PC. It is known to crack bitcoin wallets and extract the crypto currency transferring it to the hackers’ account.

Paying the ransom requested by the hackers would waste your money and provide extra incentive for the crooks. Considering extra payload of the ransomware that includes bitcoin stealth, your money is likely to be hijacked before you can use them, even if you intend to pay the ransom demanded by the crooks. That clearly suggests you need to get rid of CryptXXX encryption virus.

So far, no steps ensure the data scrambled by the infection will be recovered. On the other hand, certain workarounds may and do help. Relevant tips follow.

Automated cleanup to remove de_crypt_readme trojan

Infection vector for ransomware typically features a trojan. The one in question definitely subscribes to that routine. The trojan drops its body into target computer and proceeds with disabling the detecting functionality of any security solution installed. The antivirus is thus unable to spot introduction of virus from the remote server.
The ransomware invasion is indicative of its dropper residing in the computer memory. It also hints at other invasions. The PC can hardly be considered properly protected due to the impacts of the above trojan.
Ultimate option implies a total formatting for any drives of your PC. That is not an option for many users, for it destroys all the data hosted by the machine. The best solution to pick would be in-depth system examination with a reliable security suite.
The trojan that has installed Cryptxxx ransomware (de_crypt_readme), unless removed, is to trigger its installation campaign as soon as a new strain of ransomware is available. Thereby, it is critical to kill it as soon as possible.

The technique successfully overcomes malicious software, including any ransoming threats. It deploys a reputable security suite that offers not a single chance for malicious components to avoid detection and extermination. The software is incredibly user-friendly and operates on a single-click basic.

It is good to note the removal of Cryptxxx (de_crypt_readme#) ransomware does not recover the data affected. However, the virus is subject to compulsory extermination or else is going to introduce related infections into the machine.

1. Click the button to download the stub installer and go through several setup dialogs. Once the tool is up and running, click Start Computer Scan

2. Wail until the cleaner checks the PC for de_crypt_readme# ransomware files malicious code. As soon as the scan is completed, the report will list all malware objects spotted in the system. Make sure the entries for detected infections are checked, and select the Fix Threats feature. This will result in malware removal and system remediation, so you should now be good to go.

Restore the encrypted files

de_crypt_readme# ransomware encryption is a sophisticated data modification. There is no simple and single solution to cover all the cases. Transferring the ransom as demanded by the crooks is not the way either.Kindly apply the methods outlined below as they have been carefully developed to provide a recovery help for the most severe cases of encrypting assaults.

Data recovery with automatic software

Good news is that the virus actually deals with copies of the files. The originals have been deleted. The removed data still can be restored by virtue of such tools as  Data Recovery Pro.

Shadow Volume Copies

As Windows creates backups at given periods of time, a victim is advised to address relevant restore points. Unfortunately, the method cannot apply unless the System Restore had been enabled prior to the invasion. Please also note the recovery returns files as saved before the time associated with the restore point addressed.

  • Previous Versions dialog to target individual files
    One can open Properties for any file. The menu has a tab called Previous Versions. It indicates versions of a file that have been backed up.
    To make use of the feature, right-click an affected file and choose Properties in the drop-down list. Proceed with clicking the above-mentioned tab. You can opt between the Copy or Restore procedures, the former enabling to copy the item into the location specified by the user.

test-properties

shadow explorer

Backups and removing remaining traces of the de_crypt_readme# ransomware

Prevention is the best cure. If you stick to making regular reserve copies of your data and store those outside your operating system, the impacts by the ransomware are very limited. However, prior to copying the data from backups into the system hit by de_crypt_readme# ransomware, make sure the removal of Cryptxxx virus has completed.

Your manual removal attempts may kill the ransomware in general. In most of the cases, some remnants manage to survive and are still capable of causing a significant damage. Please apply a reliable anti-malware scanner to detect and remove, if applicable, any remaining infections.

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