Threat Database Trojans Trojan.MSIL.Krypt.R

Trojan.MSIL.Krypt.R

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 15,609
Threat Level: 80 % (High)
Infected Computers: 3,745
First Seen: January 7, 2013
Last Seen: July 12, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.R 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 operations, symptoms, and most importantly, the steps to remove it from your computer.

What Is Trojan.MSIL.Krypt.R?

Trojan.MSIL.Krypt.R is identified as a Trojan-type threat, which is a broad category of malware designed to deceive users into installing it on their systems. Trojans can lead to a variety of malicious activities, including data theft, unauthorized access to the system, and distribution of additional malware. The name suggests it may involve encryption or cryptographic elements, but without specific details, it's crucial to approach removal with a general yet thorough strategy.

How Trojan.MSIL.Krypt.R Operates

Trojans typically operate by disguising themselves as legitimate software or attachments. Once installed, they can create backdoors for remote access, allowing attackers to control the infected system, steal sensitive information, or use the system as a botnet for further malicious activities. The specific mechanisms of Trojan.MSIL.Krypt.R are not detailed here, but understanding the general behavior of Trojans is key to mitigating their impact.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely, depending on the malware's intended purpose. Common signs include unusual system behavior, such as slow performance, frequent crashes, or the appearance of unfamiliar programs or icons. Additionally, users might notice unauthorized changes to their system settings or unexpected network activity. Since Trojans can be designed to remain stealthy, some infections might not exhibit noticeable symptoms, making regular system scans crucial for detection.

How to Remove Trojan.MSIL.Krypt.R

  1. Enter Safe Mode with Networking: This will help prevent the malware from loading and interfering with the removal process. Restart your computer and press the key to access your boot menu (this key varies by manufacturer but is often F12, F2, or Del). Select the option to boot into Safe Mode with Networking.
  2. Conduct a Full Scan: Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. Ensure your anti-virus software is updated to the latest version to improve detection and removal capabilities.
  3. Uninstall Suspicious Programs: Go through your installed programs and uninstall any that you do not recognize or that were installed around the time the malware was detected.
  4. Reset Your Browser: If your browser was affected, reset it to its default settings. For Chrome, Firefox, and Edge, you can find these options in their respective settings or preferences menus. This will remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot and Re-scan: After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that all components of the Trojan have been removed.

Conclusion

Removing Trojan.MSIL.Krypt.R requires a methodical approach to ensure all components of the malware are eliminated from your system. By following the steps outlined above and maintaining vigilance through regular system scans and safe computing practices, you can protect your system from similar threats in the future. Remember, prevention is key, so always be cautious when opening email attachments, downloading software, or clicking on links from unknown sources.

Analysis Report

General information

Family Name: Trojan.MSIL.Krypt.R
Signature status: Hash Mismatch

Known Samples

MD5: ea2c1cb2c13c56a494103a3a157158df
SHA1: 0cb81f7fe0b14928ad508265a1dd9b7fdbdc691c
SHA256: 0977884699B59790AC1CFA8CE7C27C3001D89502A446B10799D937818A3FE692
File Size: 1.57 MB, 1570170 bytes
MD5: 09afadc5940cd281173a4b7312b212d3
SHA1: 4956dd5d9ed026d6192c6318dcee3f488b6895c2
SHA256: 54E70373806D085C3BABC1A18471187BD2E40840D25D7CF0089DA4C4D6E39E32
File Size: 6.00 MB, 6000448 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 security information
  • File has exports table
  • File has TLS information
  • File is .NET application
  • File is 32-bit executable
  • File is 64-bit executable
  • File is either console or GUI application
Show More
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • 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

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
Comments >2G=FFDF6D>8EEH:8>9@B
Company Name J39HG3:A<6C@?G7G97CI4
File Description 9CA=A3B5934B?;69FF
File Version 6.9.12.15
Internal Name Modef.exe
Legal Copyright Copyright © 2008 J39HG3:A<6C@?G7G97CI4
Original Filename Modef.exe
Product Name 9CA=A3B5934B?;69FF
Product Version 6.9.12.15

Digital Signatures

Signer Root Status
VS Revo Group Ltd. DigiCert Global G3 Code Signing ECC SHA384 2021 CA1 Hash Mismatch

File Traits

  • .NET
  • NewLateBinding
  • RijndaelManaged
  • x86

Block Information

Total Blocks: 314
Potentially Malicious Blocks: 29
Whitelisted Blocks: 124
Unknown Blocks: 161

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
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  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Network Info Queried
  • GetAdaptersAddresses
  • GetNetworkParams
Encryption Used
  • BCryptOpenAlgorithmProvider

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