Type
File Name
Location
Amnesia was first discovered in May 2017 in enterprise cloud environments.
Name
Amnesia
First Seen
May 2017
Amnesia is known to target specific file types. Below are all known file types that Amnesia is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Amnesia resets the last modified date of the file it targets.
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 Amnesia ransomware is known to change.
Suffixes
.amnesia, .@decrypt2017, .[Help244@Ya.RU].LOCKED, .CTB-Locker, .protomolecule@gmx.us, .@decrypt_files2017, .01, .02, .[byd@india.com].SON
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 Amnesia.
Type File Name Location file HOW TO RECOVER ENCRYPTED FILES.TXT EveryFolder file RECOVER-FILES.HTML EveryFolder
These are the names of the executables that contain the undetonated ransomware payload for Amnesia.
Executables
guide.exe, update.exe, Happier.exe, risk0805_d101_cr174.exe, bstarb.exe
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 Amnesia.
External Pages
