Ransomware Research

About AMBA

AMBA

AMBA was first discovered in June 2016 in enterprise cloud environments.

Name AMBA
First Seen June 2016

Genealogy

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

Plague17 (2014-2016) » AMBA » Crypto_Lab » Russenger » Russenger » Dont_Worry » Plague17 (2018-2019)
Targeting

Behavior of AMBA

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

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

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Characteristics of AMBA

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

Suffixes

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 AMBA ransomware is known to change.

Suffixes.AMBA, .prod, .RROD

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 AMBA.

Typefile
File NameПРОЧТИ_МЕНЯ.txt
LocationEveryFolder

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 AMBA.

External Pages
  • mailto:rr0d@riseup.net
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