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Antix Ransomware

Posted: December 13, 2016

Threat Metric

Threat Level: 8/10
Infected PCs: 12
First Seen: December 13, 2016
Last Seen: February 18, 2022
OS(es) Affected: Windows

The Antix Ransomware is a Trojan that collects information and blocks your files with an encryption-based cipher. Although an external decryption tool may be able to decode any files damaged by the Antix Ransomware, paying the ransom it demands is not a recommended resolution method, due to the unreliability of the associated threat actors. Removing the Antix Ransomware by applying professional anti-malware programs and loading the files from the latest backup is the ideal option for restoring your PC.

Paying for Your Files Fast or Else

Although most threatening programs have highly-specialized motivations, a Trojan's development sometimes can take a flexible, multi-purpose path. One alarming shift that malware experts see in recent samples is new Trojans with both spyware features along with data-encoding ones, making an infection a security hazard on multiple levels. The Antix Ransomware campaign shows how this works by combining two traditionally separate payloads together.

The Antix Ransomware is in distribution as an apparent fake software update. It uses this system access to encrypt your data, similar to threats like Troldesh and Hidden Tear. This attack 'locks' the associated content until you decrypt it. Other facets of the Antix Ransomware's payload include:

  • The Trojan also scans for account data, including passwords, which it then uploads to a C&C server. Con artists have access to the user data and can abuse it for hijacking accounts or identity.
  • The Antix Ransomware also displays a ransom note via a screen-locking pop-up automatically. The window blocks you from your desktop while also rerouting you to Bitcoin-purchasing and transferal services.
  • In addition to the usual threat of there being (potentially) no other way of decrypting your files besides paying, the Antix Ransomware also warns that it will release your information to the public after a time limit. Similar warnings also are provided for dissuading attempts to disinfect or reboot the PC.

Keeping a Costly Hacking from Happening

Although the Antix Ransomware does give obvious reasons for considering giving into its ransom demands, it avoids mentioning facts that would run counter to its tactic. Con artists may continue having access to any stolen data. Due to the protections inherent in Bitcoin transactions, con artists also can take their money and refrain from helping you decrypt any data with no consequences.

Malware experts have yet to verify any data deletion or public release features in the Antix Ransomware. As a precaution, victims may wish to reboot their PCs through an external device that bypasses the native operating system (and the Antix Ransomware). Accessing Safe Mode may be necessary before your anti-malware programs can delete the Antix Ransomware. Decryption options still are under investigation.

Active anti-malware protection can block drive-by-downloads, compromised installation files, and other attempts at installing this threat. Considering the high stakes of the Antix Ransomware's payload, any PC user resolving this Trojan's infection also may wish to contemplate the very real value of rotating their most important passwords with extreme frequency.
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