Styver Ransomware

Posted: February 28, 2018

Threat Metric

The Threat Meter is a malware assessment that SpywareRemove.com's research team is able to give every identifiable malware threat. Our Threat Meter includes several criteria based off of specific malware threats to value their severity, reach and volume. The Threat Meter is able to give you a numerical breakdown of each threat's initial Threat Level, Detection Count, Volume Count, Trend Path and Percentage Impact. The overall ranking of each threat in the Threat Meter is a basic breakdown of how all threats are ranked within our own extensive malware database. The scoring for each specific malware threat can be easily compared to other emerging threats to draw a contrast in its particular severity. The Threat Meter is a useful tool in the endeavor of seeking a solution to remove a threat or pursue additional analytical research for all types of computer users.

The following fields listed on the Threat Meter containing a specific value, are explained in detail below:

Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.

Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.

Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.

Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.

% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.

Threat Level:	8/10
Infected PCs:	39

First Seen:	September 19, 2024
OS(es) Affected:	Windows

The Styver Ransomware is a file-locker Trojan that's capable of using encryption to block your digital media, such as pictures, music or documents. The hostage files display new extensions indicating their locked status, and victims may find text messages asking them to pay for an unlocking program. Uninstalling the Styver Ransomware should be done by a reputable anti-malware product, and any required data restoration is most practical with backups.

Middle Eastern Conflict Goes Digital

File-locking threats aren't known for respecting borders, although some areas of the world, such as Europe, Russia, and North America, are more likely of being victimized than others. New incidents involving activity by a Styver Ransomware point to this Trojan using encryption attacks against Jordanian citizens, although malware experts suspect its payload is no less compatible with the PCs residing in other countries. Like such infamous names as the Globe Ransomware or Hidden Tear, the Styver Ransomware uses encryption for sabotaging data and, then, sells a solution to the problem it causes.

The Styver Ransomware appears to use an AES-based encryption method, with AES (or Rijndael) being one of the most commonly-employed algorithms for enciphering data and rendering it secure. These attacks run via a hidden, background process without symptoms for the victim to detect, until after all of the targeted files are in 'locked' formats. The Styver Ransomware also abides by the tradition of appending extension changes to these files, which, for example, renames 'apple.jpg' into 'apple.jpg.styver' instead.

This Trojan also uses a Base64 identifier for each infection, which is a part of the ransoming process. It drops a ransom note in a format that malware experts have yet to identify (TXT, HTML, and HTA being the most common choices) that asks the user to contact the threat actor's e-mail address for negotiating. Some of the typical negotiations among threat actors include cryptocurrency payments, like Bitcoin, that they may keep without providing any decryption or file-unlocking support.

Bringing Peace to Jordan – or, at Least, Its Computer Files

The Styver Ransomware's using an AOL-based e-mail account for its ransoming transaction, which is one of several signs that this Trojan's campaign is minimally-funded and not the work of an experienced threat actor. However, file-locking threats don't require a payload that's any more advanced than that of free programs, like Hidden Tear, or cheap RaaS rental models necessarily, to cause lingering damage to your data. Having backups of your files separated from your regular-use copies of them can give your media extra protection from encryption attacks, which are sometimes irrevocable.

E-mail attachments and brute-force breaches of networks often install file-locking Trojans, for attacks targeting corporate, government, and non-governmental organization entities particularly. However, individuals on recreational-use computers are more likely of infecting themselves via corrupted websites or downloads from file-sharing networks, such as torrents. Anti-malware programs can compensate for most of these attacks and should delete the Styver Ransomware without it having a window for encrypting your files.

Taking one's files for granted as being safe is a poor assumption in an age where computer data is, so often, actual money. Your nationality is no compensation for bad Web-surfing habits or allowing your backups to become out-of-date when Trojans like the Styver Ransomware come calling.

Styver Ransomware

Threat Metric

Middle Eastern Conflict Goes Digital

Bringing Peace to Jordan – or, at Least, Its Computer Files

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