Trojan.MSIL.Tiny.CU
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: | 8,816 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 72 |
| First Seen: | September 13, 2025 |
| Last Seen: | July 10, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Tiny.CU indicates that your system has been compromised by a malicious threat. This type of malware is designed to infiltrate and potentially harm your computer, making it essential to understand its nature and take immediate action to remove it. In this report, we will guide you through the characteristics of Trojan.MSIL.Tiny.CU, its operational methods, symptoms of infection, and most importantly, the steps required to eliminate it from your system.
Table of Contents
What Is Trojan.MSIL.Tiny.CU?
Trojan.MSIL.Tiny.CU is identified as a Trojan-type threat, which means it is a malicious program that disguises itself as legitimate software to gain unauthorized access to a computer system. The name itself suggests it is written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic, CPU-independent intermediate representation of the .NET Framework Common Language Infrastructure (CLI). This implies that the malware could potentially run on any system that supports .NET, making it versatile and dangerous. Understanding that Trojans are designed to allow an attacker to access a victim's system, it's crucial to address the infection promptly.
How Trojan.MSIL.Tiny.CU Operates
Trojan.MSIL.Tiny.CU, like other Trojans, operates by deceiving users into installing it, often by disguising itself as useful software or attaching itself to legitimate programs. Once installed, it can create a backdoor on the infected computer, allowing hackers to access the system remotely. This access can be used for various malicious activities, including data theft, installation of additional malware, or using the infected computer as part of a botnet for distributed denial-of-service (DDoS) attacks. The specifics of how Trojan.MSIL.Tiny.CU operates can vary, but its primary goal is to compromise the security and integrity of the infected system.
Symptoms of Infection
Symptoms of a Trojan.MSIL.Tiny.CU infection can be subtle and may not always be immediately apparent. Common indicators include unexpected changes in system performance, such as slower operation, frequent crashes, or the appearance of unwanted programs or toolbars in your web browser. You might also notice that your computer is connecting to the internet without your input, or that files are being modified or deleted without your knowledge. Recognizing these symptoms is key to identifying and addressing the infection early on.
How to Remove Trojan.MSIL.Tiny.CU
- Boot your computer in Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process.
- 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 Trojan.MSIL.Tiny.CU.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time the infection was detected.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot your computer and perform another full scan to ensure that the malware has been completely removed. Repeat the scanning process until no more threats are detected.
Conclusion
The removal of Trojan.MSIL.Tiny.CU requires immediate and thorough action to prevent further damage to your system and protect your personal data. By understanding the nature of this threat and following the steps outlined above, you can effectively eliminate the malware and secure your computer. It's also important to adopt preventive measures, such as regularly updating your operating system and software, using strong antivirus protection, and being cautious when downloading and installing software from the internet. Remember, vigilance and proactive security practices are your best defenses against malware infections.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Tiny.CU |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
50c8c659c6e42f7c17dfb5f47d4b59ad
SHA1:
be5720df7a315b3670f4a6ef4015ff5e45f23882
SHA256:
7A583D3882D05FB6F09F4AAE9FDA8B09739AA1F264AB2D230F62AE134F7DF774
File Size:
24.58 KB, 24576 bytes
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MD5:
e0d4a8a7f693405b0114f981a965eb04
SHA1:
4c39d8ccae97a34df7205195549938fdfe03d3b9
SHA256:
86B82622AD7D21DFB1B06B1F03764DD48F7FCB177E4E91D2115D3FEC800CE4CC
File Size:
26.11 KB, 26112 bytes
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MD5:
7d8ad2ee2cb59f04049fce40a9e30ec0
SHA1:
f290073e9c812b14c41c66f3faad244a04170876
SHA256:
5DDDA16BF25C800F5436EBA8A2278CF010BF4973909D8C73DCB13453B26CA203
File Size:
3.02 MB, 3021824 bytes
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MD5:
ef5d8d415e9995c462547e80e40aecd0
SHA1:
57c3c560f5ece7cfad5d42f16ae78178e0aecceb
SHA256:
6FA9EEBC6698684921E4E16E73C4C2BE09961FBBD4E87F2BB50648289D5A5FC4
File Size:
18.94 KB, 18944 bytes
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MD5:
ef9db433763440d4d2c3fef92e3dcd1a
SHA1:
c639e07d4acaf5fe02d9d1030df1793ef82a9ba2
SHA256:
0C50FBA2748F8E4ADEBD6792C0710C397853FE0377C639421236306CBDFB53AE
File Size:
19.97 KB, 19968 bytes
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MD5:
dac61b279850e2fe9e392a3f5156b95b
SHA1:
b62757798e266aa8b87a201bb68a6ef6f2b4eb81
SHA256:
A738E7603E2B1B4DC6AF601C5DEC5F6A76610F7E8C81C2499252A0454D6A27F4
File Size:
98.30 KB, 98304 bytes
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MD5:
e4d096dd4715f8864fc4bab129a75146
SHA1:
74352a728556e608069305c950bd087324d5adc6
SHA256:
972BF24C51B3F8811CC29B915ACAFCDF196C0D10A974A4F069754D2EDC641E27
File Size:
2.44 MB, 2440704 bytes
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MD5:
0b0f7ad46ea00b5a37e9645a152ae1aa
SHA1:
1349e5d191be35eccda182ea480e1c41652335a0
SHA256:
A6A8EE774BE2443424791933D5141F862AD380D43BF5735E189E088539977012
File Size:
28.67 KB, 28672 bytes
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MD5:
09c1e651bcdb4cf7c1d3402047e30252
SHA1:
8858b18cab4e1e6b1942ba7f28398e2f48552fb2
SHA256:
D7073143546F1D2F89E8D0984CA5872F37F79463C5AC9E3DED07A6F754D21440
File Size:
18.94 KB, 18944 bytes
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MD5:
7cb0ec95d9e1c78bab8626a2640600a7
SHA1:
e1dcd556fc8c78a59bffc0e0f109e24776c1f086
SHA256:
0EFE426E0DDCA2EB5542AB0D180A25A0189DF8D16062336DF7E103BB66A12C4D
File Size:
18.94 KB, 18944 bytes
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MD5:
624be64d5a2bc7185a1c0f9fcb91df0e
SHA1:
1f7300ab046e21dd65944930916ba2402cae279d
SHA256:
26FFA62E9DA73BD4ECA7D9286F666E2823BB41E29C1833CB0F5B3A00EDFD361E
File Size:
28.67 KB, 28672 bytes
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MD5:
07830ea5e7cde4644cc565cd16efeda4
SHA1:
80a46b964e3cf77842e798c28bee1bcef3f0975e
SHA256:
4450CED202A16E2EBBCF3F75DC713CF67A593A1582F8B824B6552D5A5F2018B3
File Size:
36.86 KB, 36864 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have security information
- 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 |
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| Comments |
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| 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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| Original Filename |
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| Product Name |
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| Product Version |
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File Traits
- .NET
- .sdata
- NewLateBinding
- 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: | 58 |
|---|---|
| Potentially Malicious Blocks: | 3 |
| Whitelisted Blocks: | 46 |
| Unknown Blocks: | 9 |
Visual Map
? - 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.- Autoclicker.DA
- Autoclicker.HH
- MSIL.Agent.WD
- MSIL.Agent.XFB
- MSIL.BadJoke.XF
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- MSIL.Coinminer.XB
- MSIL.Downloader.Tiny.CF
- MSIL.Downloader.XS
- MSIL.Flooder.X
- MSIL.Inject.LD
- MSIL.Inject.LDA
- MSIL.Inject.LDB
- MSIL.Injector.FXA
- MSIL.Injector.XFC
- MSIL.Injector.XT
- MSIL.Krypt.BS
- MSIL.Krypt.MBCAG
- MSIL.Krypt.MBWB
- MSIL.Krypt.NDA
- MSIL.Krypt.TDL
- MSIL.Krypt.TDXA
- MSIL.Kryptik.XB
- MSIL.LockScreen.A
- MSIL.OpenSUpdater.BP
- MSIL.PSW.Agent.ME
- MSIL.PSW.Agent.XB
- MSIL.PSW.Agent.XC
- MSIL.PSW.Agent.XD
- MSIL.Perseus.DWA
- MSIL.RunescapeHack.D
- MSIL.Spy.Agent.XF
- MSIL.Tiny.C
- MSIL.Tiny.CU
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 |
|---|---|
| \device\namedpipe\gmdasllogger | Generic Write,Read Attributes |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.0.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.1.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.2.regtrans-ms | 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\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | k � 8��8tX��B �v 5� xy �� T�B� ������ ���� �5����ee��Bx �< �!wz "Wc#�#��$kF$�� %"�%:� %�&� &�-&�x(�(X�)�`*J*9*�^*�h+�[,��/9� /��0P%1�1HO 1�D5�G6�^6�� 9ߔ;��=� >3� @V� | RegNtPreCreateKey |
| HKLM\system\software\microsoft\tip\aggregateresults::data | �ӹ ��J� � +z� �,�� +z� �Tg _7 ��mw� �4 ��� ~ �4 ��� � �4 �r[ N�� ��p�6 � �� O%\� �� �L b �\� �lk | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | �k � 1�B �� �6 �v �� 7� �� ��� T�B� ����� 1���%�� Bx �< �� �! �R �7$�� %�&�-'�'�!(�(X�(�) ;*J*9*�"*�h+��,=� 1`1�1HO 4.�5,]5�G>�� @V� @�*A��B B�� E�mF Fy� G�IH[uH�pH�� | RegNtPreCreateKey |
| HKLM\system\software\microsoft\tip\aggregateresults::data | 隞̃耀꧌ Ō Ē | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | k 8��81��B�8 �6 �v y� �Z xy �� �a ۀT�B� ����� 1���� �5����eeBx �<�� �� �R �7 �!wz "M)"Wc#�#��$kF$�� %"�%:� %�&� &�-&�x'�(�(X�)�`*J*9*�^+�[+��,=� ,��/9� /�� | RegNtPreCreateKey |
| HKLM\system\software\microsoft\tip\aggregateresults::data | 隞̃㜁耀꧌ ц ɟ | RegNtPreCreateKey |
| HKLM\system\software\microsoft\tip\aggregateresults::data | 鐄ȴ 鲱 距 켜ʚ꺇뺶 켜ʚ꺇뺶 켜ʚ꺇뺶 켜ʚ릵犱 洎ʫጉ嵑 ᩍ 픋˹耀뫹躧 隞̃訁耀꧌ Ѯ ƞ | RegNtPreCreateKey |
| HKLM\system\software\microsoft\tip\aggregateresults::data | 隞̃耀꧌ L | 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 |
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| User Data Access |
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| Anti Debug |
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| Process Shell Execute |
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| Encryption Used |
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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\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 760
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C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 832
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C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 700
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C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 828
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C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 844
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C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 728
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C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 864
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C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 860
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C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 1240
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