Unlock92 Ransomware
Posted: July 1, 2016
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: | 10/10 |
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Infected PCs: | 97 |
First Seen: | July 1, 2016 |
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OS(es) Affected: | Windows |
The Unlock92 Ransomware is a data encryption Trojan whose purpose is blocking your local files until you agree to pay a ransom. Until free decryption options are made available, malware researchers suggest other methods of protecting your content from this threat such as keeping recent backups. Whether you ransom your files or not, always use a professional anti-malware resolution method to remove the Unlock92 Ransomware and account for the likelihood of other threats.
Paying a Con Artist's Asking Price for a Key to Your Belongings
The Unlock92 Ransomware is a Trojan whose features are in line with past ransom-themed threats for the northwestern Asian region of the world, particularly for campaigns in Russia. As a possible relative of the Kozy.Jozy Ransomware, the Unlock92 Ransomware's encryption method already has been cracked, but uninformed victims may not see the alternative to paying con artists ransom money for their files. Its installation exploits are still subject to identification, although forged e-mail messages are the preferred vector of most data encryption Trojans.
The Unlock92 Ransomware attacks specific files according to their extension names. Malware researchers saw samples of the Unlock92 Ransomware encrypting content related to CD storage, text documents, graphics projects, spreadsheets, compressed archives and images. The Unlock92 Ransomware encrypts this data with an asymmetric, RSA-2046-based algorithm, and generates two keys. The public string is stored locally, while the private one transfers to the remote attacker's C&C server.
The encryption attacks block any further use of all affected data. Since most decryption methods require both halves of the key, which often is custom to each attack, the Unlock92 Ransomware's administrators are in a position of prolonged control over any data not protected by an external backup.
The Unlock92 Ransomware also creates a ransom message telling the PCs' operators to retrieve their encrypted content by entering into e-mail negotiations with the campaign's administrator. Unlike some, similar operations, the Unlock92 Ransomware includes a 'backup' TOR link with an updated e-mail address for cases where the original address is defunct. This change gives the Unlock92 Ransomware's campaign a minor degree of longevity when compared to other threats whose ransom communication methods were severed shortly after their launch dates.
The Cheapest Key for a Trojan-Afflicted Hard Drive
When malware experts analyzed the Unlock92 Ransomware's ransom instructions in depth, they found messages offering blatant examples of why submitting to ransomware demands is a self-defeating solution. The Unlock92 Ransomware's encryption method is not highly robust, and PC security researchers already have developed a functional decryptor particular to this new threat. By contrast, the Unlock92 Ransomware's messages claim that any third-party attempt to decrypt your content will damage it beyond the point of retrieval.
In addition to the possibility of using a free decryption program, malware experts also would recommend strongly keeping backups that can offer data protection against more advanced threats than the Unlock92 Ransomware. Although local backups have been subject to deletion by threats associated with the Unlock92 Ransomware, ones stored on separate hard drives or password-locked servers always should be safe from these extortion attempts.
The Unlock92 Ransomware does not display itself as a standard application and will conceal its files as being parts of other software, or temporary data. Using anti-malware software for deleting the Unlock92 Ransomware can both guarantee its removal and help you detect this Trojan before encryption even becomes an issue.
Technical Details
File System Modifications
Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.
The following files were created in the system:file.exe
File name: file.exeSize: 25.08 KB (25088 bytes)
MD5: b9877c0cbef3dd35a84e9a7fdb5efb46
Detection count: 29
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: November 17, 2016
2018.exe
File name: 2018.exeSize: 405.5 KB (405504 bytes)
MD5: 1b53e4d8183631874f1c20ac6a670693
Detection count: 18
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
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