Home Malware Programs Ransomware SERVER Cryptomix Ransomware

SERVER Cryptomix Ransomware

Posted: January 5, 2018

Threat Metric

Threat Level: 8/10
Infected PCs: 58
First Seen: April 28, 2023
OS(es) Affected: Windows

The SERVER Cryptomix Ransomware is a variant of the CryptMix Ransomware, a Trojan family that locks files so that it can ask for ransoms for reversing the attack. Since the file-locking feature uses an encryption routine that may be permanent, victims should back up their data to keep it protected from this threat. Malware experts also encourage having anti-malware software available for deleting the SERVER Cryptomix Ransomware before it can start blocking any of your data.

A Server Full of Trojan Troubles

A supplement to the days' old, last version of the CryptMix Ransomware, the Tastylock Ransomware, is already appearing and circulating with different cosmetic and ransom-based details for its payload. The new threat, the SERVER Cryptomix Ransomware is also from the CryptMix Ransomware's Revenge Ransomware branch and uses the same file-locking method of the AES encryption in CBC mode. Since malware researchers are rating this family's encryption as being secure currently, the SERVER Cryptomix Ransomware's attack may lock you out of your files indefinitely.

The SERVER Cryptomix Ransomware attacks content such as PDF documents, GIF images, ZIP archives, and other media, using its encryption algorithm to encode each file and make it unreadable. Unlike most versions of its family, such as the Zayka Ransomware or the Exte Ransomware, the SERVER Cryptomix Ransomware also overwrites the names of the files with its own, semi-random string of characters (such as '0D0A516824060636C21EC8BC280FEA12'). It gives this string the '.SERVER' extension, which replaces any preexisting ones.

The other changes in the SERVER Cryptomix Ransomware that malware experts are pinpointing all focus on its ransom note, which is using different e-mail addresses for negotiating. Although the threat actors encourage contacting them and paying for recovery, any users affected by the SERVER Cryptomix Ransomware should note that buying decryption solutions can backfire due to the explicit avoidance of traditional refunding protections.

Serving Your PC a Helping of Safety

The SERVER Cryptomix Ransomware represents more than just an immediate danger to the media on an infected Windows system ultimately. The SERVER Cryptomix Ransomware also conducts security-disabling attacks that may leave the PC vulnerable to the efforts of additional threats. The Trojan disables features like Windows Defender, the Background Intelligent Transfer Service, Automatic Repair, and general startup alerts. It also removes default, Windows backups to keep any hostage media as secure from recovery as possible.

Established infection vectors for threats of the SERVER Cryptomix Ransomware's type include spam e-mails and brute-force compromises of network logins, with the former using misinformed consent from the victim and the latter using manual installations. Users can rotate unique, complex passwords to keep their servers protected from brute-force hacking methods relatively. Traditional anti-malware programs also can delete the SERVER Cryptomix Ransomware either during its infection efforts or after it succeeds in compromising the PC.

The SERVER Cryptomix Ransomware offers yet another danger to PC users, ones maintaining server machines, who don't keep a close eye on their network security or backup practices particularly. The CryptMix Ransomware is making a fast start in activity for 2018, and may even overtake widespread families like Hidden Tear, over time.

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