x1881 CryptoMix Ransomware : An Updated Version of CryptoMix Ransomware Released

x1881 CryptoMix Ransomware is actually a new variant of the CryptoMix ransomware which the malware researchers have reported very similar to it’s several predecessors in it’s working algorithm.

Modification in the x1881 CryptoMix Ransomware Variant

Despite the fact that the encryption methodology of x1881 CryptoMix Ransomware is very similar to it’s predecessors, there are still some slight differences such as the ransom note is still named _HELP_INSTRUCTION.TXT, but now makes usage of the [email protected], [email protected], [email protected] emails for a victims to establish contact regarding payment information.

_HELP_INSTRUCTION.TXT reads the following :

The further noticeable modification in the case of x1881 CryptoMix Ransomware is the extension it do appends at the end of the encrypted files. It do usually inserts .x1881 extension to the enciphered files while posing encryption operation onto them. This particular variant additionally, do includes 11 public RSA-1024 encryption keys of which it makes usage in encrypting the AES key used to encipher a compromised files. It enables the threat to work without any sort of network communication.

Now this is only a perfunctory analysis of this new variant of Cryptomix ransomware i.e., x1881 CryptoMix Ransomware, in a case if anything else get discovered later, this article surely will get updated.

Tips on how to protect the PC from being victimized by x1881 CryptoMix Ransomware

For forbidding the system from being victimized by x1881 variant of CryptoMix Ransomware or from any other malware infection of the similar category, it has been referred literally highly essential for the users to make usage of good computing habits and security applications.

Users should always have a trustworthy and tested backup of their data which can get restored in the case of an emergency, such as ransomware infection attack.

Users additionally should also own security application which do include behavioral detected. Regardless this, it has been referred very essential to ensure that antimalware program contains behavioral detections so that you do not need to rely on the signature or heuristics. Last but not the least, kindly ensure of practicing the set forth good online security habits such as :

  • Scan attachments with tools such as Virus Total.
  • Do not open attachments in a case if the sender is not recognizable.
  • Always keep the backup and update it on regular basis
  • Ensure all the Windows updates get installed on regular basis.

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