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Decoder Ransomware

Posted: November 2, 2017

Threat Metric

Ranking: 7,923
Threat Level: 1/10
Infected PCs: 4,993
First Seen: November 2, 2017
Last Seen: September 28, 2023
OS(es) Affected: Windows

The Decoder Ransomware is a variant of the Globe Imposter Ransomware, a file-locking Trojan that damages your files for extorting money afterward. Backing up your data can lower the data loss that the Decoder Ransomware is capable of causing significantly, and malware experts recommend it instead of paying ransoms that may provide less than optimal recovery solutions. Users should uninstall the Decoder Ransomware with anti-malware products that have been effective against the Globe Imposter Ransomware's family previously.

Copycats of the Globe Ransomware Abandoning the Name

The Globe Imposter Ransomware family is demonstrating a newfound level of activity it owes to being handled by a variety of teams of threat actors seemingly, many of whom aren't trying as hard as previously to mimic the Globe Ransomware campaign. However, new releases into the imitative Trojan family, such as the Decoder Ransomware, continue using old resources with only a minimum of tweaks to redirect money into the 'right' hands. For the victim, the primary significance of the Decoder Ransomware is potential, new infection strategies for damaging their files.

The Decoder Ransomware keeps the defining functions of the Globe Imposter Ransomware family intact, which includes a file-locking feature basing itself on the AES encryption partially. Through this attack, the Decoder Ransomware may block the user from opening any specified format of media, including documents, pictures, audio clips, spreadsheets, archives, or even (in unusual cases) executable. The Decoder Ransomware's admins are distinguishing this campaign from similar ones with the help of a new extension ('.decoder') that the Trojan adds to their names, although removing this extension doesn't impact the data encryption.

One of the differences between the Decoder Ransomware and the real Globe Ransomware is its preferred format of ransom message: the Decoder Ransomware uses TXT, instead of a local Web page. The contents are identical to the notes of old campaigns like the BlackJockerCrypter Ransomware, except for containing new addresses to contact for delivering Bitcoins and buying the file-unlocking decryptor. The threat actors also are including misleading warnings about free decryptors to scare any victims off of avoiding paying.

Decoding the Quick Way around the Decoder Ransomware Infections

Free decryption software does exist for the Decoder Ransomware's broader Globe Imposter Ransomware family, although updates may be necessary for unlocking this latest variant's media. Always create copies of any encrypted content before testing its possible compatibility with any decryption programs, including ones offered by any threat actors. However, malware researchers always endorse incorporating scheduled backups into your daily routine for keeping your files safe from file-locking threats of any type, regardless of the enciphering system they use.

The young campaign for the Decoder Ransomware is using infection strategies that still being investigated by the cybersecurity industry, and almost certainly, is under the maintenance of new threat actors. Past techniques for installing similar classifications of threatening software have found notable success through e-mail attachments, although different options can range from Web-browsing drive-by-downloads to targeted attempts at phishing a business system's login credentials. Other than the last of these attacks, anti-malware programs protect from all of these infection vectors and can delete the Decoder Ransomware without letting it lock your media.

What brand of threat the Decoder Ransomware pretends to be can have some utility for misleading a victim away from appropriate decoding tools for recovering their files. On the other hand, keeping your work secure with backups can neuter that requirement and deprive the Decoder Ransomware's handlers of any chance of profiting from their misdeeds.

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