Teslacrypt.EC Ransomware
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Popularity Rank: | 16,257 |
| Threat Level: | 100 % (High) |
| Infected Computers: | 322 |
| First Seen: | March 7, 2023 |
| Last Seen: | May 17, 2026 |
| OS(es) Affected: | Windows |
The detection of Teslacrypt.EC Ransomware on your system indicates a serious security threat that requires immediate attention. Ransomware is a type of malware designed to encrypt and hold your files hostage, demanding payment in exchange for the decryption key. In this report, we will provide an overview of the Teslacrypt.EC Ransomware threat, its operating mechanisms, symptoms of infection, and most importantly, steps to remove it from your system.
Table of Contents
What Is Teslacrypt.EC Ransomware?
Teslacrypt.EC Ransomware is identified as a ransomware threat, which implies its primary function is to encrypt files on the infected system and demand a ransom for their decryption. Ransomware like Teslacrypt.EC Ransomware can spread through various means, including phishing emails, infected software downloads, and vulnerabilities in operating systems and applications. Understanding the nature of this threat is crucial for taking appropriate measures to protect your data and system.
How Teslacrypt.EC Ransomware Operates
Ransomware typically operates by first gaining access to a system, often through user interaction such as opening a malicious email attachment or clicking on a link. Once inside, it scans the system for target files, which can include documents, images, videos, and other valuable data. These files are then encrypted using sophisticated algorithms, making them inaccessible to the user. The ransomware will display a ransom note, demanding payment, usually in cryptocurrency, in exchange for the decryption key. It's essential to note that paying the ransom does not guarantee the decryption of your files or that the attackers will not demand additional payments.
Symptoms of Infection
Symptoms of a Teslacrypt.EC Ransomware infection can include the inability to access your files, the presence of ransom notes or demands for payment on your desktop or in folders where your files were located, and significant slowdowns of your system as the malware encrypts your files. In some cases, you might notice unusual network activity or suspicious processes running in the background. Recognizing these symptoms early can help mitigate the damage by allowing for quicker action to isolate the threat and prevent further encryption of files.
How to Remove Teslacrypt.EC Ransomware
- Boot your system into Safe Mode with Networking. This will allow you to use the internet to download removal tools without the ransomware interfering.
- Download and run a full scan with a reputable anti-malware tool such as SpyHunter. Ensure the tool is updated to the latest version to increase the chances of detecting and removing the Teslacrypt.EC Ransomware.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time of the infection. Be cautious and only remove programs you are sure are not necessary for your system's operation.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings that the ransomware might have altered.
- After completing the above steps, reboot your system and run another full scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
Dealing with a Teslacrypt.EC Ransomware infection requires careful and immediate action to prevent further damage. By understanding how ransomware operates and following the steps outlined for removal, you can take significant steps towards recovering your system and protecting your data. It's also crucial to implement preventive measures such as regular backups, avoiding suspicious downloads and emails, and keeping your system and software up to date to reduce the risk of future infections.
Analysis Report
General information
| Family Name: | Teslacrypt.EC Ransomware |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
80a8c2be7c07cb1c74eab6a0166ba660
SHA1:
8d26f8f1f619de66de760e7c5a3cd90b07405f86
SHA256:
7C2286E5A810095FFA454CF5F93908382BECDE69BA6AFA559FF20566D2B5E29B
File Size:
127.58 KB, 127576 bytes
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MD5:
6b225c37a44e91c171f601d1eb64d8b0
SHA1:
d2d43b73d9f524589808148abff8673664726f58
SHA256:
AF76E9BA8DF5A7BE628D3689890033EF8797DDCFFFBDB87AE25671469BA18A5B
File Size:
128.00 KB, 128000 bytes
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MD5:
bcc2c266aa16a71f31bca33010c85429
SHA1:
314127ff729a272fa4b77af82a2ad502bbf00f12
SHA256:
CCCB01D6FF70151B0D85376F50A4CD06730F5197053AE637DC04AD842740980B
File Size:
128.00 KB, 128000 bytes
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MD5:
5a772e8583f53d3e67d148b0c5cb49ae
SHA1:
c86ce958313a3b3a4e4c851173387bda1e6836f8
SHA256:
058928CDA512B8A6758C395A2A0056DFC970786A970F80C4EDE5D280DA686C37
File Size:
62.40 KB, 62395 bytes
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MD5:
ccd55c7c2e6d132200aa4d3b20c9bfd6
SHA1:
ba154297e914198c88bb2ab37b23487e1927f195
SHA256:
A31E8CA3B37236D63FFDB700BB3DE512A2E03DD3716E32DDE1A16D97BF23910E
File Size:
126.49 KB, 126492 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File doesn't have relocations information
- File doesn't have security information
- File has TLS information
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- File is Native application (NOT .NET application)
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- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Company Name |
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| File Description |
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| File Version |
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| Internal Name |
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| Legal Copyright |
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| Legal Trademarks |
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| Original Filename |
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| Product Name |
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| Product Version |
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File Traits
- No Version Info
- WinZip SFX
- x86
- ZIP (In Overlay)
- ZIPinO
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- ConvertAd.AR
- Downloader.Agent.BTAI
- Downloader.Agent.BTAL
- Exploit.JD
- Sofacy.B
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- Teslacrypt.EC
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries | `$�!�:i�� +00�� � Gs]XM��� "�2� � FX D�' :D��exA-� �LG=�A��J� �C� | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\content::cacheprefix | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\cookies::cacheprefix | Cookie: | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\history::cacheprefix | Visited: | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | ,k 8��8tX��B�8 �� �6 �v 5� �Z xy �� �� T�B� ������ � ���� �5����ee��Bx �< �!wz "Wc#�#��$kF$�� %"�%:� %�&� &�x(�(X�)�`*J*9*�"*�^*�h+�[,��/9� /��0P%1`1�1HO 1�D5�0 | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | -k 8��8tX��B�8 �� �6 �v 5� �Z xy �� �� T�B� ������ � ���� �5����ee��Bx �< �!wz "Wc#�#��$kF$�� %"�%:� %�&� &�x(�(X�)�`*J*9*�"*�^*�h+�[,��/9� /��0P%1`1�1HO 1�D5�0 | RegNtPreCreateKey |
| HKCU\software\microsoft\edge\blbeacon::failed_count | RegNtPreCreateKey | |
| HKCU\software\microsoft\edge\blbeacon::state | RegNtPreCreateKey | |
| HKCU\software\microsoft\edge\thirdparty::statuscodes | (NULL) | RegNtPreCreateKey |
| HKCU\software\microsoft\edge\thirdparty::statuscodes | RegNtPreCreateKey |
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| HKCU\software\microsoft\edge\elfbeacon::version | 143.0.3650.80 | RegNtPreCreateKey |
| HKCU\software\microsoft\edge\blbeacon::failed_count | RegNtPreCreateKey | |
| HKCU\software\microsoft\edge\blbeacon::state | RegNtPreCreateKey |
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Process Manipulation Evasion |
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| Process Shell Execute |
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| Syscall Use |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
open https://www.java.com/pt-BR/download/
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"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --edge-skip-compat-layer-relaunch --single-argument https://www.java.com/pt-BR/download/
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