AVCrypt Ransomware
Posted: March 27, 2018
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: | 46 |
First Seen: | January 16, 2013 |
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OS(es) Affected: | Windows |
The AVCrypt Ransomware is a file-locking Trojan that also targets and removes different brands of security software that might detect the AVCrypt Ransomware as being a threat. Besides disabling those programs, the AVCrypt Ransomware may use encryption to block different files, such as pictures, documents, and other media. Users should ignore any extortion attempts from this Trojan and have an undamaged anti-malware tool delete the AVCrypt Ransomware, preferably, before it begins attacking their computers.
A Second 'Anti' to Your AV Products
While users can do different things to protect themselves from the infection strategies in use by the cybercrooks, such as avoiding opening spam e-mail, cyber-security software, often, is the final line of defense. Keeping this fact in mind, many threat actors bundle different anti-security attacks into the payloads of their file-locking Trojans, like the still-developing the AVCrypt Ransomware. Although malware experts only are seeing incomplete versions without a working, file-locking payload, the finalized aspects of the Trojan provide reliable measures for removing security applications.
The AVCrypt Ransomware disables the Windows Defender and Malwarebytes-brand applications by removing their services from Windows. The AVCrypt Ransomware also includes an additional, WMIC-based check for whatever AV software the user registers via the Security Center and deletes it, as well. While malware experts are classifying the AVCrypt Ransomware as being a work-in-progress, and not a Trojan with a campaign already active in the wild, these features are fully functional.
The data-locking function is non-working, due to bugs, but samples are including sufficient code for demonstrating how the final release of the AVCrypt Ransomware will use it. The AVCrypt Ransomware downloads a custom key from a C&C server, along with some other credentials, and runs the previous, anti-security program attack before encrypting different files. The AVCrypt Ransomware also renames the filenames and generates a Notepad ransoming note for the unlocking key; however, the latter is a placeholder with no information, such as a Bitcoin price.
Staying Ahead of the Anti-Malware Arms Race
The 'half-baked' versions of the AVCrypt Ransomware may not lock your files, but they can damage the security of your PC by disabling programs without your knowledge directly, along with communicating with a remote threat actor, for users who don't maintain strict firewall rules. Most PC owners should consider backing up media to reduce the chances of the AVCrypt Ransomware causing any encryption damages or making the only copies of their data inaccessible. The decryption and, therefore, after-the-fact recovery of your files may not be possible necessarily.
Malware experts find rotating variants of file-locking threats just like the AVCrypt Ransomware coming through different routes, including:
- Corrupted websites may use exploit kits, or, HTML-based toolkits that search for security vulnerabilities on the Web surfer's PC, for loading drive-by-download attacks that might install this threat.
- Installers for the AVCrypt Ransomware may hide inside of e-mail attachments, often, ones using a custom-crafted text of interest to the recipient.
- The cybercrooks also compromise high-value targets by brute-forcing their way past passwords and login combinations with insufficient complexity.
Most anti-malware programs should identify this Trojan immediately and remove the AVCrypt Ransomware before it begins attacking, in return.
A Trojan that's half-made is more than half-threatening to anyone's computer. Sadly, the AVCrypt Ransomware also is a warning sign of con artists continuing to lock data in ways that may not always be something that cryptography experts can reverse.
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