Ransomware Research

About AeR


AeR was first discovered in January 2024 in enterprise cloud environments.

Name AeR
First Seen January 2024


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

Dharma » AeR

Behavior of AeR

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

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

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Characteristics of AeR

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


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 AeR ransomware is known to change.


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 AeR.

File Nameinfo.txt
LocationRootDiscs, Desktop
File NameInfo.hta
LocationStartUp, Roaming


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

Executables202401110197eb32a39518adbc118ec0559a395ccrysisdharma, 2024-01-11_0197eb32a39518adbc118ec0559a395c_crysis_dharma

External Pages

Ransomware often links to external pages such as payment pages, telegram contacts, etc. Below are some of the URLs Elastio has found to be associated with AeR.

External Pages
  • mailto:aerossh@nerdmail.co
  • mailto:aerossh@cock.li
  • mailto:aerossh@proton.me
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.