Trojan.MSIL.Tiny.C

The detection of Trojan.MSIL.Tiny.C 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 mechanisms, symptoms of infection, and most importantly, steps to remove it from your system. It's crucial to approach this situation with a clear understanding of the risks and the necessary actions to mitigate them.

What Is Trojan.MSIL.Tiny.C?

Trojan.MSIL.Tiny.C is identified as a Trojan-type threat. Trojans are malicious programs that can cause significant harm to your computer system. They are designed to allow unauthorized access to the victim's system, potentially leading to data theft, system compromise, and further malware infections. The name "Trojan.MSIL.Tiny.C" suggests it is a small, potentially stealthy malware designed to evade detection.

How Trojan.MSIL.Tiny.C Operates

Trojan.MSIL.Tiny.C, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means, such as opening malicious email attachments, downloading infected software, or visiting compromised websites. Once installed, it can create backdoors, allowing remote access to the attackers. This access can be used for a variety of malicious activities, including stealing sensitive information, installing additional malware, or using the infected computer as part of a botnet for distributed denial-of-service (DDoS) attacks.

Symptoms of Infection

Identifying a Trojan infection can be challenging due to its stealthy nature. However, there are several symptoms that might indicate your system is infected. These include unusual system behavior, such as unexpected restarts, slow performance, or unfamiliar programs and icons. You might also notice increased network activity, even when you're not using the internet, or receive warnings from your security software. Sometimes, Trojans can also lead to the appearance of unwanted pop-ups, changed browser settings, or difficulties in connecting to the internet.

How to Remove Trojan.MSIL.Tiny.C

1. Boot into Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to work in. To do this, restart your computer and press the key that opens the boot menu (usually F12, F2, or Del), then select the safe mode option.
2. Perform a Full Scan with a Reputable Tool: Use a trusted anti-malware program, such as SpyHunter, to scan your system thoroughly. Ensure your antivirus and anti-malware definitions are up to date before running the scan.
3. Uninstall Suspicious Programs: Go through your installed programs and remove any that you don't recognize or that were installed around the time you suspect the infection occurred.
4. Reset Your Browsers: Malware often affects web browsers, changing settings or installing unwanted extensions. Resetting Chrome, Firefox, Edge, or any other browser you use can help remove these changes. You can usually find the reset option in the browser's settings or preferences menu.
5. Reboot and Re-scan: After taking these steps, restart your computer and run another full scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

Removing Trojan.MSIL.Tiny.C requires careful and systematic steps to ensure your system is completely clean. It's essential to stay vigilant and keep your security software up to date to prevent future infections. Regularly backing up your important data and being cautious with emails and downloads can also significantly reduce the risk of malware infections. If you're unsure about any part of the removal process, consider seeking help from a professional to avoid any potential risks to your system or data.

Analysis Report

General information

Family Name:	Trojan.MSIL.Tiny.C
Signature status:	No Signature

Known Samples

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Known Samples

This section lists other file samples believed to be associated with this family.

MD5: cdee5a7d8ccb1899034ceb49b3385ef7 SHA1: 22a20a92f05aea8c65aa13a3b4fe21a97ff1ffe7 SHA256: ADD7AE796E0B2240F9D7DEA87E2877BE2D88A2E7B3699EE8059442073ED5C464 File Size: 6.66 KB, 6656 bytes

MD5: e23f9cca11ead7dab090eb26f94fe9a3 SHA1: ba9da867c5140ca85c3535f2eb685ef986f8fd2b SHA256: 52EED9751951DE52A3F1252AF0B7A97DC7E3CA854B31E81CCC5FEFE067DF49D1 File Size: 130.56 KB, 130560 bytes

Windows Portable Executable Attributes

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Windows Portable Executable Attributes

This section lists file attributes found within family samples. These attributes are extracted from the files’ Windows PE (Portable Executable) specification and various system flags. Portable Executable Attributes give malware researchers insight into a file’s functionality, executable details, platform and runtime environment.

• File doesn't have "Rich" header
• File doesn't have debug information
• 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)

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• IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

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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

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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	1.0.0.0 0.0.0.0
File Description	Cliente.TrendReparaCertificado
File Version	1.0.0.0 0.0.0.0
Internal Name	Cliente.TrendReparaCertificado.exe ok.exe
Legal Copyright	Copyright © 2022
Original Filename	Cliente.TrendReparaCertificado.exe ok.exe
Product Name	Cliente.TrendReparaCertificado
Product Version	1.0.0.0 0.0.0.0

File Traits

• .NET
• .sdata
• NewLateBinding
• x86

Block Information

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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:	263
Potentially Malicious Blocks:	1
Whitelisted Blocks:	48
Unknown Blocks:	214

Visual Map

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? ? 0 0 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 0 0 x ? ? ? ? ? 0

0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

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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:\program files (x86)\harmoniti\politicas\logs\configura-trendreparacert.log	Generic Write,Read Attributes
c:\users\user\appdata\roaming\microsoft\windows\start menu\programs\startup\829d9fdd.exe	Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\downloads\erro.log	Generic Write,Read Attributes
vmp-harmoniti01\logs_politica_scripts\configura-trendreparacert.log	Generic Write,Read Attributes

Registry Modifications

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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\wow6432node\microsoft\tracing::enableconsoletracing		RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::enablefiletracing		RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::enableautofiletracing		RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::enableconsoletracing		RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::filetracingmask	￿	RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::consoletracingmask	￿	RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::maxfilesize		RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasapi32::filedirectory	%windir%\tracing	RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::enablefiletracing		RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::enableautofiletracing		RegNtPreCreateKey

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HKLM\software\wow6432node\microsoft\tracing\rasmancs::enableconsoletracing		RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::filetracingmask	￿	RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::consoletracingmask	￿	RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::maxfilesize		RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\tracing\rasmancs::filedirectory	%windir%\tracing	RegNtPreCreateKey

Windows API Usage

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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
User Data Access	GetComputerName GetUserObjectInformation
Anti Debug	IsDebuggerPresent NtQuerySystemInformation
Encryption Used	CryptAcquireContext
Network Winsock2	WSAConnect WSASocket WSAStartup WSAttemptAutodialName
Network Winsock	closesocket freeaddrinfo getaddrinfo inet_addr recv send setsockopt
Network Winhttp	WinHttpOpen
Network Info Queried	GetAdaptersAddresses GetNetworkParams
Other Suspicious	AdjustTokenPrivileges