Trojan.MSIL.Krypt.DDV
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: | 19,017 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 79 |
| First Seen: | August 14, 2023 |
| Last Seen: | May 2, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Krypt.DDV on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software, but without more specific information, it's crucial to understand the general characteristics of such threats and how to mitigate them. In this report, we will guide you through what Trojan.MSIL.Krypt.DDV might entail, its operational methods, symptoms of infection, removal procedures, and preventive measures to ensure your system's security.
Table of Contents
What Is Trojan.MSIL.Krypt.DDV?
Trojan.MSIL.Krypt.DDV, as detected, refers to a type of malicious software or malware. The term "Trojan" typically denotes a Trojan horse, a malicious program that is disguised as legitimate software. "MSIL" could refer to Microsoft Intermediate Language, suggesting the malware might be designed to operate within the .NET framework, which is a software framework developed by Microsoft. "Krypt" implies encryption capabilities, which could be used for various malicious purposes, including data theft or ransom demands. "DDV" is less straightforward but could indicate a specific variant or version of the malware. Understanding the exact nature of this malware requires detailed analysis, which is not available in this context.
How Trojan.MSIL.Krypt.DDV Operates
Malware like Trojan.MSIL.Krypt.DDV can operate in various ways, depending on its design and purpose. Generally, Trojans are known for their ability to disguise themselves as useful applications, allowing them to be installed by the user unknowingly. Once installed, they can open a backdoor into the system, allowing attackers to access the computer remotely. They might also engage in activities such as data theft, including login credentials, personal data, or sensitive information. The encryption implied by "Krypt" could be used to lock files and demand a ransom or to protect the malware's communications with its command and control servers.
Symptoms of Infection
Symptoms of a Trojan.MSIL.Krypt.DDV infection can vary but may include unusual system behavior, such as unexpected pop-ups, slow performance, or unfamiliar programs running in the background. You might also notice that your antivirus software is disabled or that your browser settings have been altered without your consent. In cases where the malware involves ransomware capabilities, you might find your files encrypted with a ransom note demanding payment in exchange for the decryption key.
How to Remove Trojan.MSIL.Krypt.DDV
- Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode starts Windows with a minimal set of drivers and services, making it easier to remove malware.
- Perform a full scan of your system using 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 malware.
- Uninstall suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only uninstall programs you are sure are not essential to your system's operation.
- Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the malware.
- Reboot your system after removal and re-scan with your anti-malware tool to ensure the malware has been completely removed.
Conclusion
Dealing with malware like Trojan.MSIL.Krypt.DDV requires a combination of immediate action and preventive measures. By understanding how such malware operates and following the steps outlined for removal, you can significantly reduce the risk of infection or mitigate its effects if your system is already compromised. Remember, prevention is key, so always be cautious when downloading software, avoid suspicious links, and keep your operating system and security software up to date.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Krypt.DDV |
|---|---|
| Signature status: | Root Not Trusted |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
6d2cdfa75e83654cc59bf85f6309038e
SHA1:
d9a3d0a1b71126401e528849fd93b93987e084a6
SHA256:
385150B9E7F751B0A21F18BF26617D186FE0D841E30BFF5A6C5DFCAB7FD52CF8
File Size:
1.14 MB, 1136032 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File is .NET application
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- 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 |
|---|---|
| Assembly Version | 1.0.0.60 |
| Comments | ACIConcierge |
| Company Name | ACI |
| File Description | ACIConcierge |
| File Version | 1.0.0.96 |
| Internal Name | ACIConcierge.exe |
| Legal Copyright | Copyright (c) 2009 ACI |
| Original Filename | ACIConcierge.exe |
| Product Name | ACIConcierge |
| Product Version | 1.0.0.96 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| ISO CLAIM SERVICES INC | Class 3 Public Primary Certification Authority | Root Not Trusted |
File Traits
- .NET
- HighEntropy
- RijndaelManaged
- x86
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.| Total Blocks: | 573 |
|---|---|
| Potentially Malicious Blocks: | 42 |
| Whitelisted Blocks: | 240 |
| Unknown Blocks: | 291 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\users\user\appdata\locallow\microsoft\cryptneturlcache\content\3c3948be6e525b8a8cee9fac91c9e392_81ddab3fd3c4a460ee4c7c457718301c | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\locallow\microsoft\cryptneturlcache\content\60e31627fda0a46932b0e5948949f2a5 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\locallow\microsoft\cryptneturlcache\metadata\3c3948be6e525b8a8cee9fac91c9e392_81ddab3fd3c4a460ee4c7c457718301c | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\locallow\microsoft\cryptneturlcache\metadata\60e31627fda0a46932b0e5948949f2a5 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\windows\appcompat\programs\amcache.hve | Read Data,Read Control,Write Data |
| c:\windows\appcompat\programs\amcache.hve | Write Attributes |
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 |
|---|---|---|
| HKLM\software\microsoft\systemcertificates\authroot\certificates\742c3192e607e424eb4549542be1bbc53e6174e2::blob | \ ~ � ��b �hV4��Γ�k%[{O��B�[P�e���`'�Np * 0(++++ ��K~��Wb��`� t,1���$�EIT+��>at� '�Qvg3 ��@��"� �{�w�ߞ ?���.���iw | RegNtPreCreateKey |
| HKLM\software\microsoft\systemcertificates\root\certificates\be36a4562fb2ee05dbb3d32323adf445084ed656::blob | \ Ѐ 볝蚽㾜ࠛ컯퇄춈ᔻ ᰘ兘槹镹⍋ . Thawte Timestamping CA ਰࠆثԁ܅ࠃ 㚾嚤눯돛⏓괣䗴丈囖 晿煺硩騠ᑑ莝⃚ ꗨ뺘芄ﺎ炮ᔑ㔁뉶 ʥ | 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 |
|---|---|
| Syscall Use |
Show More
10 additional items are not displayed above. |
| User Data Access |
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| Anti Debug |
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| Encryption Used |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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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.
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 1480
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