Ransomware Research

About SystemCrypter


SystemCrypter was first discovered in June 2019 in enterprise cloud environments.

Name SystemCrypter
First Seen June 2019


To better understand SystemCrypter, we can trace it’s origins. Below is a snapshot of SystemCrypter’s genealogy.

Noblis » SystemCrypter

Behavior of SystemCrypter

SystemCrypter is known to target specific file types. Below are all known file types that SystemCrypter is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. SystemCrypter updates the last modified date of the file it targets.

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Characteristics of SystemCrypter

Here are some of the unique characteristics that are helpful to know about SystemCrypter.


Some ransomware will change or append a suffix to the end of the file after they are encrypted, including changing the extension of a file. Here are some of the possible suffixes that SystemCrypter ransomware is known to change.

Suffixes.crypted, .crypter

Ransomware Notes

Not all ransomware leaves a note. However, some ransomware leaves the infected party instructions on what the user should do to get rid of the ransomware, or satisfy the ransom. This often involves transferring money, often bitcoin or another cryptocurrency to a designated wallet.

Below are the type(s) of notes, content, and typical locations where Elastio has found ransom notes from SystemCrypter.



These are the names of the executables that contain the undetonated ransomware payload for SystemCrypter.

How Elastio can help

Don’t let ransomware
take over your data.

Elastio is a cloud-native data resilience platform on AWS, providing robust security and assuring the recoverability of critical data in cloud environments.

Elastio protects data from ransomware and malware evading perimeter defenses and mitigates downtime, data loss, and reputational harm for businesses.