Ransom.Linux.LUNACRYPT.THGBBBB
UDS:Trojan-Ransom.Linux.Luna.a (KASPERSKY)
Linux
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Ransomware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It drops files as ransom note.
TECHNICAL DETAILS
Arrival Details
This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other Details
This Ransomware does the following:
- It does not encrypt if no argument is passed.
- It does not encrypt folders recursively.
It accepts the following parameters:
- -file {path of file to encrypt}
- -dir {directory to encrypt}
Ransomware Routine
This Ransomware avoids encrypting files with the following strings in their file name:
- If the argument -dir {directory to encrypt} is passed:
- .ini
- .exe
- .dll
- .lnk
- Luna
It avoids encrypting files found in the following folders:
- If the argument -dir {directory to encrypt} is passed:
- openserver
- windows
- program files
- recycle.bin
- programdata
- appdata
- all users
It appends the following extension to the file name of the encrypted files:
- .Luna
It drops the following file(s) as ransom note:
- If the argument -dir {directory to encrypt} is passed:
- /home/{Username}/{Encrypted Folder}/readme-Luna.txt
- /home/{Username}/{Encrypted Folder}/{Folder Name}\readme-Luna.txt
SOLUTION
Step 1
Scan your computer with your Trend Micro product to delete files detected as Ransom.Linux.LUNACRYPT.THGBBBB. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
Step 2
Restore encrypted files from backup.
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