Ransom.binADS

Short bio

Ransom.binADS is Malwarebytes’ detection name for a ransomware family that is used in targeted attacks. This family is also known under the name WastedLocker.

Type and source of infection

Ransom.binADS is ransomware of the type that encrypts files and then asks for a ransom to decrypt them.
Ransom.binADS is delivered onto a compromised system inside the network of the targeted organization. The initial infection is often done through websites that push fake updates.

Aftermath

Because of the targeted nature of this ransomware, it is advised to do a full network scan to find any backdoors or other tools that the threat actors may have left behind, and which may enable them to regain access to the network.

Protection

Malwarebytes detects WastedLocker ransomware as Ransom.BinADS.

Ransom.binADS

Business remediation

How to remove Ransom.binADS with the Malwarebytes Nebula console

You can use the Malwarebytes Anti-MalwareNebula console to scan endpoints.

endpoint menu

Nebula endpoint tasks menu

Choose the Scan + Quarantine option. Afterwards you can check the Detections page to see which threats were found.

Nebula Detections tab

On the Quarantine page you can see which threats were quarantined and restore them if necessary.

quarantine

IOCs

A ransom note will be created for each encrypted file with *wasted and *wasted_info filenames for encrypted files and the ransom notes.

Layout of the ransom note:

*ORGANIZATION_NAME*
YOUR NETWORK IS ENCRYPTED NOW
USE *EMAIL1* | *EMAIL2* TO GET THE PRICE FOR YOUR DATA
DO NOT GIVE THIS EMAIL TO 3RD PARTIES
DO NOT RENAME OR MOVE THE FILE
THE FILE IS ENCRYPTED WITH THE FOLLOWING KEY:
[begin_key]*[end_key]
KEEP IT

On systems with a suitable file-system an Alternate Data Stream (ADS) is used as a means to run the ransomware processes. On others the ransomware binary is copied file to %windir%system32 and the attacker will take ownership of it (takeown.exe /F filepath) and reset the ACL permissions.

 

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