Trojan.MSIL.Krypt.ZAJC
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: | 10,611 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 1,242 |
| First Seen: | October 24, 2023 |
| Last Seen: | July 6, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Krypt.ZAJC on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operational methods, symptoms of infection, and most importantly, steps to remove it from your system. It's crucial to approach this situation with caution and follow the recommended removal procedures to ensure your system's security and integrity.
Table of Contents
What Is Trojan.MSIL.Krypt.ZAJC?
Trojan.MSIL.Krypt.ZAJC is identified as a Trojan-type threat. Trojans are malicious programs that disguise themselves as legitimate software but are designed to allow unauthorized access to a computer system. They can be used to steal sensitive information, install additional malware, or provide a backdoor for remote access by an attacker. The name Trojan.MSIL.Krypt.ZAJC suggests it may involve encryption or cryptographic techniques, possibly for stealthy operations or data theft, but without specific details, it's essential to focus on general removal and prevention strategies.
How Trojan.MSIL.Krypt.ZAJC Operates
Like other Trojans, Trojan.MSIL.Krypt.ZAJC likely operates by deceiving users into installing it, often by masquerading as useful software or attaching itself to legitimate programs. Once installed, it can execute a variety of malicious actions, including but not limited to, data theft, keystroke logging, and the installation of additional malware. Its operational specifics can vary, but the end goal is typically to compromise the security of the infected system for the benefit of the attacker.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior, such as unexpected pop-ups, slow system performance, and unfamiliar programs or icons. Additionally, if your antivirus software is detecting and blocking suspicious activities, it could be a sign that your system is infected. Since Trojans are designed to be stealthy, it's possible that an infection may not exhibit noticeable symptoms until significant damage has been done.
How to Remove Trojan.MSIL.Krypt.ZAJC
- Boot your system into Safe Mode with Networking. This will limit the malware's ability to operate and provide a safer environment for removal.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing the threat.
- Manually uninstall any suspicious programs that you do not recognize or that were installed around the time you suspect the infection occurred.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
- After completing the above steps, reboot your system and perform another full scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
Removing Trojan.MSIL.Krypt.ZAJC from your system requires careful and methodical steps. It's essential to stay vigilant and ensure that your system and all software are updated with the latest security patches. Regularly scanning your system with reputable anti-malware tools and practicing safe computing habits, such as avoiding suspicious downloads and links, can significantly reduce the risk of future infections. Remember, the key to securing your system is a combination of effective tools, knowledge, and cautious behavior online.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Krypt.ZAJC |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
3de55132e4517bfc55ec2d843a3a5f1c
SHA1:
461b415f7643d3955ff0d895aeb5df86a710c48c
File Size:
3.12 MB, 3120032 bytes
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MD5:
c5969d84d30f4cb3347c672359cc950a
SHA1:
5022a7421a911b6563baeed6835ebaf44503547b
File Size:
6.77 MB, 6767616 bytes
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MD5:
473bceb1f5ec006957fb68fada8df7ba
SHA1:
7faae4e1211145fa4e4afec0ca1c04c4345ecf2a
SHA256:
CE4854FADB8340A2FE100311061776A5DA056F3483061D7DEE8745396874A01F
File Size:
696.83 KB, 696832 bytes
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MD5:
65d78873546fea8cd07e1464446a0027
SHA1:
06433dd592a799b8f7d722138fa471f951121ed4
SHA256:
984D56E3CB24742AC8F5699C59611A68F8C6DFBA55C77C412E2AE4D1156AE224
File Size:
1.52 MB, 1524640 bytes
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MD5:
a428e2882152378d31f72a1d7ea56f81
SHA1:
6856134816c2aa0b0b76fcf8c51a2e5e83108a6a
SHA256:
E741B3C25FC039C3B61478265EB67EA467579AF69F60FCD653C9AF9BDF4E898A
File Size:
3.99 MB, 3992064 bytes
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Show More
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MD5:
25a13c57faa89be09149cb426d2bca02
SHA1:
2027a292eb148f50f63828d5dcaef6693cd5af85
SHA256:
C0D376C1C50A26D5BFFF6674415D9925B8429DE345DAD2A41D405420C59B8BCE
File Size:
668.67 KB, 668672 bytes
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MD5:
85ceef4c301f2bf0169b7bab3813ea4e
SHA1:
4c27d512ec8ec3b6e4c481f7b2db0d586076f02b
SHA256:
16AF6229B7F5DAC9F469A09C2B0622BF5887C1C2D1BCD629F4CF3E0574E43095
File Size:
2.76 MB, 2757120 bytes
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MD5:
3a12aa57c3de6566d4db9c5866286bb6
SHA1:
80268f75c5f88558e5798518bbcb387c57c43a35
SHA256:
CFBF97EE6498F4D8A857635BC3150CC377399260B4307BBF395E805C4D1C9702
File Size:
691.20 KB, 691200 bytes
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MD5:
6213c505d8b7e7e39668fb5f3b107182
SHA1:
2c318a1920a1413010c6dfb978d600390fbbfdfc
SHA256:
F1AD18737785230F08AC0B4097F073534690DBAA971C5DE33795F261F3E10D4E
File Size:
691.20 KB, 691200 bytes
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MD5:
3dbf7689e5cf82cd474962a0d2ec95e3
SHA1:
c3f084cf0626df9cdcf94e20699a56f341906ea6
SHA256:
E1A14E49DBF2E0609DCA3762C0BC60C2E829AA656EB11A3186A88234A6C2483F
File Size:
691.20 KB, 691200 bytes
|
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 is .NET application
- File is 32-bit executable
- File is 64-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
Show More
- 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 |
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| Comments |
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| File Description |
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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 |
|---|---|---|
| Adobe Inc. | DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 | Hash Mismatch |
File Traits
- .NET
- 2+ executable sections
- dll
- HighEntropy
- InnoSetup Installer
- Installer Version
- RijndaelManaged
- SmartAssembly
- x64
- 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: | 1,421 |
|---|---|
| Potentially Malicious Blocks: | 11 |
| Whitelisted Blocks: | 746 |
| Unknown Blocks: | 664 |
Visual Map
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0 - Probable Safe Block
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x - Potentially Malicious Block
? - Unknown Block
x - Potentially Malicious Block
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.- MSIL.Agent.VCW
- MSIL.Crysan.BD
- MSIL.Downloader.Agent.ANGA
- MSIL.Heracles.DK
- MSIL.Krypt.CABPA
Show More
- MSIL.Krypt.KGBP
- MSIL.Krypt.ZAJC
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\local\temp\hmswuftr.exe | Generic Write,Read Attributes |
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
1 additional items are not displayed above. |
| User Data Access |
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| Encryption Used |
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| Other Suspicious |
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| Process Terminate |
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| Anti Debug |
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| Process Shell Execute |
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| Process Manipulation Evasion |
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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\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\7faae4e1211145fa4e4afec0ca1c04c4345ecf2a_0000696832.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\2027a292eb148f50f63828d5dcaef6693cd5af85_0000668672.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\80268f75c5f88558e5798518bbcb387c57c43a35_0000691200.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\2c318a1920a1413010c6dfb978d600390fbbfdfc_0000691200.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\c3f084cf0626df9cdcf94e20699a56f341906ea6_0000691200.,LiQMAxHB
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