'Help50@yandex.ru' Ransomware
Posted: April 4, 2017
Threat Metric
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 |
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Infected PCs: | 37 |
First Seen: | April 4, 2017 |
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Last Seen: | January 21, 2020 |
OS(es) Affected: | Windows |
The 'Help50@yandex.ru' Ransomware is a Trojan that encrypts your files for ransom money. Victims are unable to use any of the content that the 'Help50@yandex.ru' Ransomware encrypts, in addition to experiencing symptoms such as the appearance of extortion-related messages and unwanted filename changes. While most anti-malware programs should delete the 'Help50@yandex.ru' Ransomware as soon as they detect it, keeping backups can alleviate any file loss that a successful infection causes.
Old Encryption Attacks Coming to the Foreground Again
It's not for nothing that many file-encrypting Trojans are using the AES and RSA encryption methods to attack their victims' data and keep it from being retrievable. While such methods of enciphering are highly reliable, and, typically, not subject to being cracked, others can be less so. However, some threat actors still prefer using alternatives like XOR ciphers, which malware experts note in the Pclock, the Cryptolocker3 Ransomware, and the particularly new 'Help50@yandex.ru' Ransomware. No clear connections are visible between the 'Help50@yandex.ru' Ransomware and these similar threats.
The 'Help50@yandex.ru' Ransomware's payload includes a function for scanning for files such as PDF, TXT, or DOC, and encoding them to prevent other applications from opening them. Besides being unreadable, you can isolate the encoded media from the '.dat' extensions that the 'Help50@yandex.ru' Ransomware adds. Malware experts can't confirm any secondary encryption method to protect the XOR algorithm, which means that the locked content could, theoretically, be recoverable.
Besides its personal, executables, the 'Help50@yandex.ru' Ransomware also places a text file on your PC, which contains its only ransoming information: the threat actor's e-mail address. While no other information is available on its extortion demands, con artists request payments through methods that the victim can't cancel ordinarily, and don't always give them a real decryptor.
The Only Help Anyone Needs against File-Encrypting Ransoms
Strictly XOR-based enciphering Trojans may be subject to having free decryptors provided by the researchers in the anti-malware sector, allowing even victims with no other options to recover without a ransom. Despite the relative viability of such recovery strategies, malware experts encourage backing up any content that you can't afford to lose, which makes recovering from a 'Help50@yandex.ru' Ransomware a guaranteed and easy procedure. While the Windows Shadow Copies are sometimes available for restoring any encoded content, some Trojans can delete them automatically, which makes them less dependable than other forms of backups.
Threat actors may use spam e-mails to install the Trojans of the 'Help50@yandex.ru' Ransomware's classification. Other infection methods used to a lesser extent include website EKs (Exploit Kits), brute-force password attacks and even freeware bundles. Maintaining safe Web-surfing habits and having anti-malware programs to detect and remove the 'Help50@yandex.ru' Ransomware, and threats like it can rule out most of these vulnerabilities.
The 'Help50@yandex.ru' Ransomware isn't high on the bustling list of file-encrypting Trojans to be reported but is no more or less harmful than threats like the Jigsaw Ransomware or the CryptoLocker. If anything, the eagerness of threat actors to continue designing new threats of the same type is a clear sign of how well harmful encryption works as a way of commanding misappropriated profits.
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